hbase-commits mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From git-site-r...@apache.org
Subject [29/51] [partial] hbase-site git commit: Published site at 82d554e3783372cc6b05489452c815b57c06f6cd.
Date Fri, 28 Jul 2017 15:07:58 GMT
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/a2b2dd19/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegion.ReplayBatch.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegion.ReplayBatch.html b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegion.ReplayBatch.html
index 5c95397..860416b 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegion.ReplayBatch.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/HRegion.ReplayBatch.html
@@ -293,7944 +293,7962 @@
 <span class="sourceLineNo">285</span>  final AtomicLong compactionsFailed = new AtomicLong(0L);<a name="line.285"></a>
 <span class="sourceLineNo">286</span>  final AtomicLong compactionNumFilesCompacted = new AtomicLong(0L);<a name="line.286"></a>
 <span class="sourceLineNo">287</span>  final AtomicLong compactionNumBytesCompacted = new AtomicLong(0L);<a name="line.287"></a>
-<span class="sourceLineNo">288</span><a name="line.288"></a>
-<span class="sourceLineNo">289</span>  private final WAL wal;<a name="line.289"></a>
-<span class="sourceLineNo">290</span>  private final HRegionFileSystem fs;<a name="line.290"></a>
-<span class="sourceLineNo">291</span>  protected final Configuration conf;<a name="line.291"></a>
-<span class="sourceLineNo">292</span>  private final Configuration baseConf;<a name="line.292"></a>
-<span class="sourceLineNo">293</span>  private final int rowLockWaitDuration;<a name="line.293"></a>
-<span class="sourceLineNo">294</span>  static final int DEFAULT_ROWLOCK_WAIT_DURATION = 30000;<a name="line.294"></a>
-<span class="sourceLineNo">295</span><a name="line.295"></a>
-<span class="sourceLineNo">296</span>  // The internal wait duration to acquire a lock before read/update<a name="line.296"></a>
-<span class="sourceLineNo">297</span>  // from the region. It is not per row. The purpose of this wait time<a name="line.297"></a>
-<span class="sourceLineNo">298</span>  // is to avoid waiting a long time while the region is busy, so that<a name="line.298"></a>
-<span class="sourceLineNo">299</span>  // we can release the IPC handler soon enough to improve the<a name="line.299"></a>
-<span class="sourceLineNo">300</span>  // availability of the region server. It can be adjusted by<a name="line.300"></a>
-<span class="sourceLineNo">301</span>  // tuning configuration "hbase.busy.wait.duration".<a name="line.301"></a>
-<span class="sourceLineNo">302</span>  final long busyWaitDuration;<a name="line.302"></a>
-<span class="sourceLineNo">303</span>  static final long DEFAULT_BUSY_WAIT_DURATION = HConstants.DEFAULT_HBASE_RPC_TIMEOUT;<a name="line.303"></a>
-<span class="sourceLineNo">304</span><a name="line.304"></a>
-<span class="sourceLineNo">305</span>  // If updating multiple rows in one call, wait longer,<a name="line.305"></a>
-<span class="sourceLineNo">306</span>  // i.e. waiting for busyWaitDuration * # of rows. However,<a name="line.306"></a>
-<span class="sourceLineNo">307</span>  // we can limit the max multiplier.<a name="line.307"></a>
-<span class="sourceLineNo">308</span>  final int maxBusyWaitMultiplier;<a name="line.308"></a>
-<span class="sourceLineNo">309</span><a name="line.309"></a>
-<span class="sourceLineNo">310</span>  // Max busy wait duration. There is no point to wait longer than the RPC<a name="line.310"></a>
-<span class="sourceLineNo">311</span>  // purge timeout, when a RPC call will be terminated by the RPC engine.<a name="line.311"></a>
-<span class="sourceLineNo">312</span>  final long maxBusyWaitDuration;<a name="line.312"></a>
-<span class="sourceLineNo">313</span><a name="line.313"></a>
-<span class="sourceLineNo">314</span>  // Max cell size. If nonzero, the maximum allowed size for any given cell<a name="line.314"></a>
-<span class="sourceLineNo">315</span>  // in bytes<a name="line.315"></a>
-<span class="sourceLineNo">316</span>  final long maxCellSize;<a name="line.316"></a>
-<span class="sourceLineNo">317</span><a name="line.317"></a>
-<span class="sourceLineNo">318</span>  // negative number indicates infinite timeout<a name="line.318"></a>
-<span class="sourceLineNo">319</span>  static final long DEFAULT_ROW_PROCESSOR_TIMEOUT = 60 * 1000L;<a name="line.319"></a>
-<span class="sourceLineNo">320</span>  final ExecutorService rowProcessorExecutor = Executors.newCachedThreadPool();<a name="line.320"></a>
-<span class="sourceLineNo">321</span><a name="line.321"></a>
-<span class="sourceLineNo">322</span>  private final ConcurrentHashMap&lt;RegionScanner, Long&gt; scannerReadPoints;<a name="line.322"></a>
+<span class="sourceLineNo">288</span>  final AtomicLong compactionsQueued = new AtomicLong(0L);<a name="line.288"></a>
+<span class="sourceLineNo">289</span>  final AtomicLong flushesQueued = new AtomicLong(0L);<a name="line.289"></a>
+<span class="sourceLineNo">290</span><a name="line.290"></a>
+<span class="sourceLineNo">291</span>  private final WAL wal;<a name="line.291"></a>
+<span class="sourceLineNo">292</span>  private final HRegionFileSystem fs;<a name="line.292"></a>
+<span class="sourceLineNo">293</span>  protected final Configuration conf;<a name="line.293"></a>
+<span class="sourceLineNo">294</span>  private final Configuration baseConf;<a name="line.294"></a>
+<span class="sourceLineNo">295</span>  private final int rowLockWaitDuration;<a name="line.295"></a>
+<span class="sourceLineNo">296</span>  static final int DEFAULT_ROWLOCK_WAIT_DURATION = 30000;<a name="line.296"></a>
+<span class="sourceLineNo">297</span><a name="line.297"></a>
+<span class="sourceLineNo">298</span>  // The internal wait duration to acquire a lock before read/update<a name="line.298"></a>
+<span class="sourceLineNo">299</span>  // from the region. It is not per row. The purpose of this wait time<a name="line.299"></a>
+<span class="sourceLineNo">300</span>  // is to avoid waiting a long time while the region is busy, so that<a name="line.300"></a>
+<span class="sourceLineNo">301</span>  // we can release the IPC handler soon enough to improve the<a name="line.301"></a>
+<span class="sourceLineNo">302</span>  // availability of the region server. It can be adjusted by<a name="line.302"></a>
+<span class="sourceLineNo">303</span>  // tuning configuration "hbase.busy.wait.duration".<a name="line.303"></a>
+<span class="sourceLineNo">304</span>  final long busyWaitDuration;<a name="line.304"></a>
+<span class="sourceLineNo">305</span>  static final long DEFAULT_BUSY_WAIT_DURATION = HConstants.DEFAULT_HBASE_RPC_TIMEOUT;<a name="line.305"></a>
+<span class="sourceLineNo">306</span><a name="line.306"></a>
+<span class="sourceLineNo">307</span>  // If updating multiple rows in one call, wait longer,<a name="line.307"></a>
+<span class="sourceLineNo">308</span>  // i.e. waiting for busyWaitDuration * # of rows. However,<a name="line.308"></a>
+<span class="sourceLineNo">309</span>  // we can limit the max multiplier.<a name="line.309"></a>
+<span class="sourceLineNo">310</span>  final int maxBusyWaitMultiplier;<a name="line.310"></a>
+<span class="sourceLineNo">311</span><a name="line.311"></a>
+<span class="sourceLineNo">312</span>  // Max busy wait duration. There is no point to wait longer than the RPC<a name="line.312"></a>
+<span class="sourceLineNo">313</span>  // purge timeout, when a RPC call will be terminated by the RPC engine.<a name="line.313"></a>
+<span class="sourceLineNo">314</span>  final long maxBusyWaitDuration;<a name="line.314"></a>
+<span class="sourceLineNo">315</span><a name="line.315"></a>
+<span class="sourceLineNo">316</span>  // Max cell size. If nonzero, the maximum allowed size for any given cell<a name="line.316"></a>
+<span class="sourceLineNo">317</span>  // in bytes<a name="line.317"></a>
+<span class="sourceLineNo">318</span>  final long maxCellSize;<a name="line.318"></a>
+<span class="sourceLineNo">319</span><a name="line.319"></a>
+<span class="sourceLineNo">320</span>  // negative number indicates infinite timeout<a name="line.320"></a>
+<span class="sourceLineNo">321</span>  static final long DEFAULT_ROW_PROCESSOR_TIMEOUT = 60 * 1000L;<a name="line.321"></a>
+<span class="sourceLineNo">322</span>  final ExecutorService rowProcessorExecutor = Executors.newCachedThreadPool();<a name="line.322"></a>
 <span class="sourceLineNo">323</span><a name="line.323"></a>
-<span class="sourceLineNo">324</span>  /**<a name="line.324"></a>
-<span class="sourceLineNo">325</span>   * The sequence ID that was enLongAddered when this region was opened.<a name="line.325"></a>
-<span class="sourceLineNo">326</span>   */<a name="line.326"></a>
-<span class="sourceLineNo">327</span>  private long openSeqNum = HConstants.NO_SEQNUM;<a name="line.327"></a>
-<span class="sourceLineNo">328</span><a name="line.328"></a>
-<span class="sourceLineNo">329</span>  /**<a name="line.329"></a>
-<span class="sourceLineNo">330</span>   * The default setting for whether to enable on-demand CF loading for<a name="line.330"></a>
-<span class="sourceLineNo">331</span>   * scan requests to this region. Requests can override it.<a name="line.331"></a>
-<span class="sourceLineNo">332</span>   */<a name="line.332"></a>
-<span class="sourceLineNo">333</span>  private boolean isLoadingCfsOnDemandDefault = false;<a name="line.333"></a>
-<span class="sourceLineNo">334</span><a name="line.334"></a>
-<span class="sourceLineNo">335</span>  private final AtomicInteger majorInProgress = new AtomicInteger(0);<a name="line.335"></a>
-<span class="sourceLineNo">336</span>  private final AtomicInteger minorInProgress = new AtomicInteger(0);<a name="line.336"></a>
-<span class="sourceLineNo">337</span><a name="line.337"></a>
-<span class="sourceLineNo">338</span>  //<a name="line.338"></a>
-<span class="sourceLineNo">339</span>  // Context: During replay we want to ensure that we do not lose any data. So, we<a name="line.339"></a>
-<span class="sourceLineNo">340</span>  // have to be conservative in how we replay wals. For each store, we calculate<a name="line.340"></a>
-<span class="sourceLineNo">341</span>  // the maxSeqId up to which the store was flushed. And, skip the edits which<a name="line.341"></a>
-<span class="sourceLineNo">342</span>  // are equal to or lower than maxSeqId for each store.<a name="line.342"></a>
-<span class="sourceLineNo">343</span>  // The following map is populated when opening the region<a name="line.343"></a>
-<span class="sourceLineNo">344</span>  Map&lt;byte[], Long&gt; maxSeqIdInStores = new TreeMap&lt;&gt;(Bytes.BYTES_COMPARATOR);<a name="line.344"></a>
-<span class="sourceLineNo">345</span><a name="line.345"></a>
-<span class="sourceLineNo">346</span>  /** Saved state from replaying prepare flush cache */<a name="line.346"></a>
-<span class="sourceLineNo">347</span>  private PrepareFlushResult prepareFlushResult = null;<a name="line.347"></a>
-<span class="sourceLineNo">348</span><a name="line.348"></a>
-<span class="sourceLineNo">349</span>  /**<a name="line.349"></a>
-<span class="sourceLineNo">350</span>   * Config setting for whether to allow writes when a region is in recovering or not.<a name="line.350"></a>
-<span class="sourceLineNo">351</span>   */<a name="line.351"></a>
-<span class="sourceLineNo">352</span>  private boolean disallowWritesInRecovering = false;<a name="line.352"></a>
-<span class="sourceLineNo">353</span><a name="line.353"></a>
-<span class="sourceLineNo">354</span>  // When a region is in recovering state, it can only accept writes not reads<a name="line.354"></a>
-<span class="sourceLineNo">355</span>  private volatile boolean recovering = false;<a name="line.355"></a>
-<span class="sourceLineNo">356</span><a name="line.356"></a>
-<span class="sourceLineNo">357</span>  private volatile Optional&lt;ConfigurationManager&gt; configurationManager;<a name="line.357"></a>
+<span class="sourceLineNo">324</span>  private final ConcurrentHashMap&lt;RegionScanner, Long&gt; scannerReadPoints;<a name="line.324"></a>
+<span class="sourceLineNo">325</span><a name="line.325"></a>
+<span class="sourceLineNo">326</span>  /**<a name="line.326"></a>
+<span class="sourceLineNo">327</span>   * The sequence ID that was enLongAddered when this region was opened.<a name="line.327"></a>
+<span class="sourceLineNo">328</span>   */<a name="line.328"></a>
+<span class="sourceLineNo">329</span>  private long openSeqNum = HConstants.NO_SEQNUM;<a name="line.329"></a>
+<span class="sourceLineNo">330</span><a name="line.330"></a>
+<span class="sourceLineNo">331</span>  /**<a name="line.331"></a>
+<span class="sourceLineNo">332</span>   * The default setting for whether to enable on-demand CF loading for<a name="line.332"></a>
+<span class="sourceLineNo">333</span>   * scan requests to this region. Requests can override it.<a name="line.333"></a>
+<span class="sourceLineNo">334</span>   */<a name="line.334"></a>
+<span class="sourceLineNo">335</span>  private boolean isLoadingCfsOnDemandDefault = false;<a name="line.335"></a>
+<span class="sourceLineNo">336</span><a name="line.336"></a>
+<span class="sourceLineNo">337</span>  private final AtomicInteger majorInProgress = new AtomicInteger(0);<a name="line.337"></a>
+<span class="sourceLineNo">338</span>  private final AtomicInteger minorInProgress = new AtomicInteger(0);<a name="line.338"></a>
+<span class="sourceLineNo">339</span><a name="line.339"></a>
+<span class="sourceLineNo">340</span>  //<a name="line.340"></a>
+<span class="sourceLineNo">341</span>  // Context: During replay we want to ensure that we do not lose any data. So, we<a name="line.341"></a>
+<span class="sourceLineNo">342</span>  // have to be conservative in how we replay wals. For each store, we calculate<a name="line.342"></a>
+<span class="sourceLineNo">343</span>  // the maxSeqId up to which the store was flushed. And, skip the edits which<a name="line.343"></a>
+<span class="sourceLineNo">344</span>  // are equal to or lower than maxSeqId for each store.<a name="line.344"></a>
+<span class="sourceLineNo">345</span>  // The following map is populated when opening the region<a name="line.345"></a>
+<span class="sourceLineNo">346</span>  Map&lt;byte[], Long&gt; maxSeqIdInStores = new TreeMap&lt;&gt;(Bytes.BYTES_COMPARATOR);<a name="line.346"></a>
+<span class="sourceLineNo">347</span><a name="line.347"></a>
+<span class="sourceLineNo">348</span>  /** Saved state from replaying prepare flush cache */<a name="line.348"></a>
+<span class="sourceLineNo">349</span>  private PrepareFlushResult prepareFlushResult = null;<a name="line.349"></a>
+<span class="sourceLineNo">350</span><a name="line.350"></a>
+<span class="sourceLineNo">351</span>  /**<a name="line.351"></a>
+<span class="sourceLineNo">352</span>   * Config setting for whether to allow writes when a region is in recovering or not.<a name="line.352"></a>
+<span class="sourceLineNo">353</span>   */<a name="line.353"></a>
+<span class="sourceLineNo">354</span>  private boolean disallowWritesInRecovering = false;<a name="line.354"></a>
+<span class="sourceLineNo">355</span><a name="line.355"></a>
+<span class="sourceLineNo">356</span>  // When a region is in recovering state, it can only accept writes not reads<a name="line.356"></a>
+<span class="sourceLineNo">357</span>  private volatile boolean recovering = false;<a name="line.357"></a>
 <span class="sourceLineNo">358</span><a name="line.358"></a>
-<span class="sourceLineNo">359</span>  // Used for testing.<a name="line.359"></a>
-<span class="sourceLineNo">360</span>  private volatile Long timeoutForWriteLock = null;<a name="line.360"></a>
-<span class="sourceLineNo">361</span><a name="line.361"></a>
-<span class="sourceLineNo">362</span>  /**<a name="line.362"></a>
-<span class="sourceLineNo">363</span>   * @return The smallest mvcc readPoint across all the scanners in this<a name="line.363"></a>
-<span class="sourceLineNo">364</span>   * region. Writes older than this readPoint, are included in every<a name="line.364"></a>
-<span class="sourceLineNo">365</span>   * read operation.<a name="line.365"></a>
-<span class="sourceLineNo">366</span>   */<a name="line.366"></a>
-<span class="sourceLineNo">367</span>  public long getSmallestReadPoint() {<a name="line.367"></a>
-<span class="sourceLineNo">368</span>    long minimumReadPoint;<a name="line.368"></a>
-<span class="sourceLineNo">369</span>    // We need to ensure that while we are calculating the smallestReadPoint<a name="line.369"></a>
-<span class="sourceLineNo">370</span>    // no new RegionScanners can grab a readPoint that we are unaware of.<a name="line.370"></a>
-<span class="sourceLineNo">371</span>    // We achieve this by synchronizing on the scannerReadPoints object.<a name="line.371"></a>
-<span class="sourceLineNo">372</span>    synchronized (scannerReadPoints) {<a name="line.372"></a>
-<span class="sourceLineNo">373</span>      minimumReadPoint = mvcc.getReadPoint();<a name="line.373"></a>
-<span class="sourceLineNo">374</span>      for (Long readPoint : this.scannerReadPoints.values()) {<a name="line.374"></a>
-<span class="sourceLineNo">375</span>        if (readPoint &lt; minimumReadPoint) {<a name="line.375"></a>
-<span class="sourceLineNo">376</span>          minimumReadPoint = readPoint;<a name="line.376"></a>
-<span class="sourceLineNo">377</span>        }<a name="line.377"></a>
-<span class="sourceLineNo">378</span>      }<a name="line.378"></a>
-<span class="sourceLineNo">379</span>    }<a name="line.379"></a>
-<span class="sourceLineNo">380</span>    return minimumReadPoint;<a name="line.380"></a>
-<span class="sourceLineNo">381</span>  }<a name="line.381"></a>
-<span class="sourceLineNo">382</span><a name="line.382"></a>
-<span class="sourceLineNo">383</span>  /*<a name="line.383"></a>
-<span class="sourceLineNo">384</span>   * Data structure of write state flags used coordinating flushes,<a name="line.384"></a>
-<span class="sourceLineNo">385</span>   * compactions and closes.<a name="line.385"></a>
-<span class="sourceLineNo">386</span>   */<a name="line.386"></a>
-<span class="sourceLineNo">387</span>  static class WriteState {<a name="line.387"></a>
-<span class="sourceLineNo">388</span>    // Set while a memstore flush is happening.<a name="line.388"></a>
-<span class="sourceLineNo">389</span>    volatile boolean flushing = false;<a name="line.389"></a>
-<span class="sourceLineNo">390</span>    // Set when a flush has been requested.<a name="line.390"></a>
-<span class="sourceLineNo">391</span>    volatile boolean flushRequested = false;<a name="line.391"></a>
-<span class="sourceLineNo">392</span>    // Number of compactions running.<a name="line.392"></a>
-<span class="sourceLineNo">393</span>    AtomicInteger compacting = new AtomicInteger(0);<a name="line.393"></a>
-<span class="sourceLineNo">394</span>    // Gets set in close. If set, cannot compact or flush again.<a name="line.394"></a>
-<span class="sourceLineNo">395</span>    volatile boolean writesEnabled = true;<a name="line.395"></a>
-<span class="sourceLineNo">396</span>    // Set if region is read-only<a name="line.396"></a>
-<span class="sourceLineNo">397</span>    volatile boolean readOnly = false;<a name="line.397"></a>
-<span class="sourceLineNo">398</span>    // whether the reads are enabled. This is different than readOnly, because readOnly is<a name="line.398"></a>
-<span class="sourceLineNo">399</span>    // static in the lifetime of the region, while readsEnabled is dynamic<a name="line.399"></a>
-<span class="sourceLineNo">400</span>    volatile boolean readsEnabled = true;<a name="line.400"></a>
-<span class="sourceLineNo">401</span><a name="line.401"></a>
-<span class="sourceLineNo">402</span>    /**<a name="line.402"></a>
-<span class="sourceLineNo">403</span>     * Set flags that make this region read-only.<a name="line.403"></a>
-<span class="sourceLineNo">404</span>     *<a name="line.404"></a>
-<span class="sourceLineNo">405</span>     * @param onOff flip value for region r/o setting<a name="line.405"></a>
-<span class="sourceLineNo">406</span>     */<a name="line.406"></a>
-<span class="sourceLineNo">407</span>    synchronized void setReadOnly(final boolean onOff) {<a name="line.407"></a>
-<span class="sourceLineNo">408</span>      this.writesEnabled = !onOff;<a name="line.408"></a>
-<span class="sourceLineNo">409</span>      this.readOnly = onOff;<a name="line.409"></a>
-<span class="sourceLineNo">410</span>    }<a name="line.410"></a>
-<span class="sourceLineNo">411</span><a name="line.411"></a>
-<span class="sourceLineNo">412</span>    boolean isReadOnly() {<a name="line.412"></a>
-<span class="sourceLineNo">413</span>      return this.readOnly;<a name="line.413"></a>
-<span class="sourceLineNo">414</span>    }<a name="line.414"></a>
-<span class="sourceLineNo">415</span><a name="line.415"></a>
-<span class="sourceLineNo">416</span>    boolean isFlushRequested() {<a name="line.416"></a>
-<span class="sourceLineNo">417</span>      return this.flushRequested;<a name="line.417"></a>
-<span class="sourceLineNo">418</span>    }<a name="line.418"></a>
-<span class="sourceLineNo">419</span><a name="line.419"></a>
-<span class="sourceLineNo">420</span>    void setReadsEnabled(boolean readsEnabled) {<a name="line.420"></a>
-<span class="sourceLineNo">421</span>      this.readsEnabled = readsEnabled;<a name="line.421"></a>
-<span class="sourceLineNo">422</span>    }<a name="line.422"></a>
-<span class="sourceLineNo">423</span><a name="line.423"></a>
-<span class="sourceLineNo">424</span>    static final long HEAP_SIZE = ClassSize.align(<a name="line.424"></a>
-<span class="sourceLineNo">425</span>        ClassSize.OBJECT + 5 * Bytes.SIZEOF_BOOLEAN);<a name="line.425"></a>
-<span class="sourceLineNo">426</span>  }<a name="line.426"></a>
-<span class="sourceLineNo">427</span><a name="line.427"></a>
-<span class="sourceLineNo">428</span>  /**<a name="line.428"></a>
-<span class="sourceLineNo">429</span>   * Objects from this class are created when flushing to describe all the different states that<a name="line.429"></a>
-<span class="sourceLineNo">430</span>   * that method ends up in. The Result enum describes those states. The sequence id should only<a name="line.430"></a>
-<span class="sourceLineNo">431</span>   * be specified if the flush was successful, and the failure message should only be specified<a name="line.431"></a>
-<span class="sourceLineNo">432</span>   * if it didn't flush.<a name="line.432"></a>
-<span class="sourceLineNo">433</span>   */<a name="line.433"></a>
-<span class="sourceLineNo">434</span>  public static class FlushResultImpl implements FlushResult {<a name="line.434"></a>
-<span class="sourceLineNo">435</span>    final Result result;<a name="line.435"></a>
-<span class="sourceLineNo">436</span>    final String failureReason;<a name="line.436"></a>
-<span class="sourceLineNo">437</span>    final long flushSequenceId;<a name="line.437"></a>
-<span class="sourceLineNo">438</span>    final boolean wroteFlushWalMarker;<a name="line.438"></a>
-<span class="sourceLineNo">439</span><a name="line.439"></a>
-<span class="sourceLineNo">440</span>    /**<a name="line.440"></a>
-<span class="sourceLineNo">441</span>     * Convenience constructor to use when the flush is successful, the failure message is set to<a name="line.441"></a>
-<span class="sourceLineNo">442</span>     * null.<a name="line.442"></a>
-<span class="sourceLineNo">443</span>     * @param result Expecting FLUSHED_NO_COMPACTION_NEEDED or FLUSHED_COMPACTION_NEEDED.<a name="line.443"></a>
-<span class="sourceLineNo">444</span>     * @param flushSequenceId Generated sequence id that comes right after the edits in the<a name="line.444"></a>
-<span class="sourceLineNo">445</span>     *                        memstores.<a name="line.445"></a>
-<span class="sourceLineNo">446</span>     */<a name="line.446"></a>
-<span class="sourceLineNo">447</span>    FlushResultImpl(Result result, long flushSequenceId) {<a name="line.447"></a>
-<span class="sourceLineNo">448</span>      this(result, flushSequenceId, null, false);<a name="line.448"></a>
-<span class="sourceLineNo">449</span>      assert result == Result.FLUSHED_NO_COMPACTION_NEEDED || result == Result<a name="line.449"></a>
-<span class="sourceLineNo">450</span>          .FLUSHED_COMPACTION_NEEDED;<a name="line.450"></a>
-<span class="sourceLineNo">451</span>    }<a name="line.451"></a>
-<span class="sourceLineNo">452</span><a name="line.452"></a>
-<span class="sourceLineNo">453</span>    /**<a name="line.453"></a>
-<span class="sourceLineNo">454</span>     * Convenience constructor to use when we cannot flush.<a name="line.454"></a>
-<span class="sourceLineNo">455</span>     * @param result Expecting CANNOT_FLUSH_MEMSTORE_EMPTY or CANNOT_FLUSH.<a name="line.455"></a>
-<span class="sourceLineNo">456</span>     * @param failureReason Reason why we couldn't flush.<a name="line.456"></a>
-<span class="sourceLineNo">457</span>     */<a name="line.457"></a>
-<span class="sourceLineNo">458</span>    FlushResultImpl(Result result, String failureReason, boolean wroteFlushMarker) {<a name="line.458"></a>
-<span class="sourceLineNo">459</span>      this(result, -1, failureReason, wroteFlushMarker);<a name="line.459"></a>
-<span class="sourceLineNo">460</span>      assert result == Result.CANNOT_FLUSH_MEMSTORE_EMPTY || result == Result.CANNOT_FLUSH;<a name="line.460"></a>
-<span class="sourceLineNo">461</span>    }<a name="line.461"></a>
-<span class="sourceLineNo">462</span><a name="line.462"></a>
-<span class="sourceLineNo">463</span>    /**<a name="line.463"></a>
-<span class="sourceLineNo">464</span>     * Constructor with all the parameters.<a name="line.464"></a>
-<span class="sourceLineNo">465</span>     * @param result Any of the Result.<a name="line.465"></a>
-<span class="sourceLineNo">466</span>     * @param flushSequenceId Generated sequence id if the memstores were flushed else -1.<a name="line.466"></a>
-<span class="sourceLineNo">467</span>     * @param failureReason Reason why we couldn't flush, or null.<a name="line.467"></a>
-<span class="sourceLineNo">468</span>     */<a name="line.468"></a>
-<span class="sourceLineNo">469</span>    FlushResultImpl(Result result, long flushSequenceId, String failureReason,<a name="line.469"></a>
-<span class="sourceLineNo">470</span>      boolean wroteFlushMarker) {<a name="line.470"></a>
-<span class="sourceLineNo">471</span>      this.result = result;<a name="line.471"></a>
-<span class="sourceLineNo">472</span>      this.flushSequenceId = flushSequenceId;<a name="line.472"></a>
-<span class="sourceLineNo">473</span>      this.failureReason = failureReason;<a name="line.473"></a>
-<span class="sourceLineNo">474</span>      this.wroteFlushWalMarker = wroteFlushMarker;<a name="line.474"></a>
-<span class="sourceLineNo">475</span>    }<a name="line.475"></a>
-<span class="sourceLineNo">476</span><a name="line.476"></a>
-<span class="sourceLineNo">477</span>    /**<a name="line.477"></a>
-<span class="sourceLineNo">478</span>     * Convenience method, the equivalent of checking if result is<a name="line.478"></a>
-<span class="sourceLineNo">479</span>     * FLUSHED_NO_COMPACTION_NEEDED or FLUSHED_NO_COMPACTION_NEEDED.<a name="line.479"></a>
-<span class="sourceLineNo">480</span>     * @return true if the memstores were flushed, else false.<a name="line.480"></a>
-<span class="sourceLineNo">481</span>     */<a name="line.481"></a>
-<span class="sourceLineNo">482</span>    @Override<a name="line.482"></a>
-<span class="sourceLineNo">483</span>    public boolean isFlushSucceeded() {<a name="line.483"></a>
-<span class="sourceLineNo">484</span>      return result == Result.FLUSHED_NO_COMPACTION_NEEDED || result == Result<a name="line.484"></a>
-<span class="sourceLineNo">485</span>          .FLUSHED_COMPACTION_NEEDED;<a name="line.485"></a>
-<span class="sourceLineNo">486</span>    }<a name="line.486"></a>
-<span class="sourceLineNo">487</span><a name="line.487"></a>
-<span class="sourceLineNo">488</span>    /**<a name="line.488"></a>
-<span class="sourceLineNo">489</span>     * Convenience method, the equivalent of checking if result is FLUSHED_COMPACTION_NEEDED.<a name="line.489"></a>
-<span class="sourceLineNo">490</span>     * @return True if the flush requested a compaction, else false (doesn't even mean it flushed).<a name="line.490"></a>
-<span class="sourceLineNo">491</span>     */<a name="line.491"></a>
-<span class="sourceLineNo">492</span>    @Override<a name="line.492"></a>
-<span class="sourceLineNo">493</span>    public boolean isCompactionNeeded() {<a name="line.493"></a>
-<span class="sourceLineNo">494</span>      return result == Result.FLUSHED_COMPACTION_NEEDED;<a name="line.494"></a>
-<span class="sourceLineNo">495</span>    }<a name="line.495"></a>
-<span class="sourceLineNo">496</span><a name="line.496"></a>
-<span class="sourceLineNo">497</span>    @Override<a name="line.497"></a>
-<span class="sourceLineNo">498</span>    public String toString() {<a name="line.498"></a>
-<span class="sourceLineNo">499</span>      return new StringBuilder()<a name="line.499"></a>
-<span class="sourceLineNo">500</span>        .append("flush result:").append(result).append(", ")<a name="line.500"></a>
-<span class="sourceLineNo">501</span>        .append("failureReason:").append(failureReason).append(",")<a name="line.501"></a>
-<span class="sourceLineNo">502</span>        .append("flush seq id").append(flushSequenceId).toString();<a name="line.502"></a>
-<span class="sourceLineNo">503</span>    }<a name="line.503"></a>
-<span class="sourceLineNo">504</span><a name="line.504"></a>
-<span class="sourceLineNo">505</span>    @Override<a name="line.505"></a>
-<span class="sourceLineNo">506</span>    public Result getResult() {<a name="line.506"></a>
-<span class="sourceLineNo">507</span>      return result;<a name="line.507"></a>
-<span class="sourceLineNo">508</span>    }<a name="line.508"></a>
-<span class="sourceLineNo">509</span>  }<a name="line.509"></a>
-<span class="sourceLineNo">510</span><a name="line.510"></a>
-<span class="sourceLineNo">511</span>  /** A result object from prepare flush cache stage */<a name="line.511"></a>
-<span class="sourceLineNo">512</span>  @VisibleForTesting<a name="line.512"></a>
-<span class="sourceLineNo">513</span>  static class PrepareFlushResult {<a name="line.513"></a>
-<span class="sourceLineNo">514</span>    final FlushResult result; // indicating a failure result from prepare<a name="line.514"></a>
-<span class="sourceLineNo">515</span>    final TreeMap&lt;byte[], StoreFlushContext&gt; storeFlushCtxs;<a name="line.515"></a>
-<span class="sourceLineNo">516</span>    final TreeMap&lt;byte[], List&lt;Path&gt;&gt; committedFiles;<a name="line.516"></a>
-<span class="sourceLineNo">517</span>    final TreeMap&lt;byte[], MemstoreSize&gt; storeFlushableSize;<a name="line.517"></a>
-<span class="sourceLineNo">518</span>    final long startTime;<a name="line.518"></a>
-<span class="sourceLineNo">519</span>    final long flushOpSeqId;<a name="line.519"></a>
-<span class="sourceLineNo">520</span>    final long flushedSeqId;<a name="line.520"></a>
-<span class="sourceLineNo">521</span>    final MemstoreSize totalFlushableSize;<a name="line.521"></a>
-<span class="sourceLineNo">522</span><a name="line.522"></a>
-<span class="sourceLineNo">523</span>    /** Constructs an early exit case */<a name="line.523"></a>
-<span class="sourceLineNo">524</span>    PrepareFlushResult(FlushResult result, long flushSeqId) {<a name="line.524"></a>
-<span class="sourceLineNo">525</span>      this(result, null, null, null, Math.max(0, flushSeqId), 0, 0, new MemstoreSize());<a name="line.525"></a>
-<span class="sourceLineNo">526</span>    }<a name="line.526"></a>
-<span class="sourceLineNo">527</span><a name="line.527"></a>
-<span class="sourceLineNo">528</span>    /** Constructs a successful prepare flush result */<a name="line.528"></a>
-<span class="sourceLineNo">529</span>    PrepareFlushResult(<a name="line.529"></a>
-<span class="sourceLineNo">530</span>      TreeMap&lt;byte[], StoreFlushContext&gt; storeFlushCtxs,<a name="line.530"></a>
-<span class="sourceLineNo">531</span>      TreeMap&lt;byte[], List&lt;Path&gt;&gt; committedFiles,<a name="line.531"></a>
-<span class="sourceLineNo">532</span>      TreeMap&lt;byte[], MemstoreSize&gt; storeFlushableSize, long startTime, long flushSeqId,<a name="line.532"></a>
-<span class="sourceLineNo">533</span>      long flushedSeqId, MemstoreSize totalFlushableSize) {<a name="line.533"></a>
-<span class="sourceLineNo">534</span>      this(null, storeFlushCtxs, committedFiles, storeFlushableSize, startTime,<a name="line.534"></a>
-<span class="sourceLineNo">535</span>        flushSeqId, flushedSeqId, totalFlushableSize);<a name="line.535"></a>
-<span class="sourceLineNo">536</span>    }<a name="line.536"></a>
-<span class="sourceLineNo">537</span><a name="line.537"></a>
-<span class="sourceLineNo">538</span>    private PrepareFlushResult(<a name="line.538"></a>
-<span class="sourceLineNo">539</span>      FlushResult result,<a name="line.539"></a>
-<span class="sourceLineNo">540</span>      TreeMap&lt;byte[], StoreFlushContext&gt; storeFlushCtxs,<a name="line.540"></a>
-<span class="sourceLineNo">541</span>      TreeMap&lt;byte[], List&lt;Path&gt;&gt; committedFiles,<a name="line.541"></a>
-<span class="sourceLineNo">542</span>      TreeMap&lt;byte[], MemstoreSize&gt; storeFlushableSize, long startTime, long flushSeqId,<a name="line.542"></a>
-<span class="sourceLineNo">543</span>      long flushedSeqId, MemstoreSize totalFlushableSize) {<a name="line.543"></a>
-<span class="sourceLineNo">544</span>      this.result = result;<a name="line.544"></a>
-<span class="sourceLineNo">545</span>      this.storeFlushCtxs = storeFlushCtxs;<a name="line.545"></a>
-<span class="sourceLineNo">546</span>      this.committedFiles = committedFiles;<a name="line.546"></a>
-<span class="sourceLineNo">547</span>      this.storeFlushableSize = storeFlushableSize;<a name="line.547"></a>
-<span class="sourceLineNo">548</span>      this.startTime = startTime;<a name="line.548"></a>
-<span class="sourceLineNo">549</span>      this.flushOpSeqId = flushSeqId;<a name="line.549"></a>
-<span class="sourceLineNo">550</span>      this.flushedSeqId = flushedSeqId;<a name="line.550"></a>
-<span class="sourceLineNo">551</span>      this.totalFlushableSize = totalFlushableSize;<a name="line.551"></a>
-<span class="sourceLineNo">552</span>    }<a name="line.552"></a>
-<span class="sourceLineNo">553</span><a name="line.553"></a>
-<span class="sourceLineNo">554</span>    public FlushResult getResult() {<a name="line.554"></a>
-<span class="sourceLineNo">555</span>      return this.result;<a name="line.555"></a>
-<span class="sourceLineNo">556</span>    }<a name="line.556"></a>
-<span class="sourceLineNo">557</span>  }<a name="line.557"></a>
-<span class="sourceLineNo">558</span><a name="line.558"></a>
-<span class="sourceLineNo">559</span>  /**<a name="line.559"></a>
-<span class="sourceLineNo">560</span>   * A class that tracks exceptions that have been observed in one batch. Not thread safe.<a name="line.560"></a>
-<span class="sourceLineNo">561</span>   */<a name="line.561"></a>
-<span class="sourceLineNo">562</span>  static class ObservedExceptionsInBatch {<a name="line.562"></a>
-<span class="sourceLineNo">563</span>    private boolean wrongRegion = false;<a name="line.563"></a>
-<span class="sourceLineNo">564</span>    private boolean failedSanityCheck = false;<a name="line.564"></a>
-<span class="sourceLineNo">565</span>    private boolean wrongFamily = false;<a name="line.565"></a>
-<span class="sourceLineNo">566</span><a name="line.566"></a>
-<span class="sourceLineNo">567</span>    /**<a name="line.567"></a>
-<span class="sourceLineNo">568</span>     * @return If a {@link WrongRegionException} has been observed.<a name="line.568"></a>
-<span class="sourceLineNo">569</span>     */<a name="line.569"></a>
-<span class="sourceLineNo">570</span>    boolean hasSeenWrongRegion() {<a name="line.570"></a>
-<span class="sourceLineNo">571</span>      return wrongRegion;<a name="line.571"></a>
-<span class="sourceLineNo">572</span>    }<a name="line.572"></a>
-<span class="sourceLineNo">573</span><a name="line.573"></a>
-<span class="sourceLineNo">574</span>    /**<a name="line.574"></a>
-<span class="sourceLineNo">575</span>     * Records that a {@link WrongRegionException} has been observed.<a name="line.575"></a>
-<span class="sourceLineNo">576</span>     */<a name="line.576"></a>
-<span class="sourceLineNo">577</span>    void sawWrongRegion() {<a name="line.577"></a>
-<span class="sourceLineNo">578</span>      wrongRegion = true;<a name="line.578"></a>
-<span class="sourceLineNo">579</span>    }<a name="line.579"></a>
-<span class="sourceLineNo">580</span><a name="line.580"></a>
-<span class="sourceLineNo">581</span>    /**<a name="line.581"></a>
-<span class="sourceLineNo">582</span>     * @return If a {@link FailedSanityCheckException} has been observed.<a name="line.582"></a>
-<span class="sourceLineNo">583</span>     */<a name="line.583"></a>
-<span class="sourceLineNo">584</span>    boolean hasSeenFailedSanityCheck() {<a name="line.584"></a>
-<span class="sourceLineNo">585</span>      return failedSanityCheck;<a name="line.585"></a>
-<span class="sourceLineNo">586</span>    }<a name="line.586"></a>
-<span class="sourceLineNo">587</span><a name="line.587"></a>
-<span class="sourceLineNo">588</span>    /**<a name="line.588"></a>
-<span class="sourceLineNo">589</span>     * Records that a {@link FailedSanityCheckException} has been observed.<a name="line.589"></a>
-<span class="sourceLineNo">590</span>     */<a name="line.590"></a>
-<span class="sourceLineNo">591</span>    void sawFailedSanityCheck() {<a name="line.591"></a>
-<span class="sourceLineNo">592</span>      failedSanityCheck = true;<a name="line.592"></a>
-<span class="sourceLineNo">593</span>    }<a name="line.593"></a>
-<span class="sourceLineNo">594</span><a name="line.594"></a>
-<span class="sourceLineNo">595</span>    /**<a name="line.595"></a>
-<span class="sourceLineNo">596</span>     * @return If a {@link NoSuchColumnFamilyException} has been observed.<a name="line.596"></a>
-<span class="sourceLineNo">597</span>     */<a name="line.597"></a>
-<span class="sourceLineNo">598</span>    boolean hasSeenNoSuchFamily() {<a name="line.598"></a>
-<span class="sourceLineNo">599</span>      return wrongFamily;<a name="line.599"></a>
-<span class="sourceLineNo">600</span>    }<a name="line.600"></a>
-<span class="sourceLineNo">601</span><a name="line.601"></a>
-<span class="sourceLineNo">602</span>    /**<a name="line.602"></a>
-<span class="sourceLineNo">603</span>     * Records that a {@link NoSuchColumnFamilyException} has been observed.<a name="line.603"></a>
-<span class="sourceLineNo">604</span>     */<a name="line.604"></a>
-<span class="sourceLineNo">605</span>    void sawNoSuchFamily() {<a name="line.605"></a>
-<span class="sourceLineNo">606</span>      wrongFamily = true;<a name="line.606"></a>
-<span class="sourceLineNo">607</span>    }<a name="line.607"></a>
-<span class="sourceLineNo">608</span>  }<a name="line.608"></a>
-<span class="sourceLineNo">609</span><a name="line.609"></a>
-<span class="sourceLineNo">610</span>  final WriteState writestate = new WriteState();<a name="line.610"></a>
+<span class="sourceLineNo">359</span>  private volatile Optional&lt;ConfigurationManager&gt; configurationManager;<a name="line.359"></a>
+<span class="sourceLineNo">360</span><a name="line.360"></a>
+<span class="sourceLineNo">361</span>  // Used for testing.<a name="line.361"></a>
+<span class="sourceLineNo">362</span>  private volatile Long timeoutForWriteLock = null;<a name="line.362"></a>
+<span class="sourceLineNo">363</span><a name="line.363"></a>
+<span class="sourceLineNo">364</span>  /**<a name="line.364"></a>
+<span class="sourceLineNo">365</span>   * @return The smallest mvcc readPoint across all the scanners in this<a name="line.365"></a>
+<span class="sourceLineNo">366</span>   * region. Writes older than this readPoint, are included in every<a name="line.366"></a>
+<span class="sourceLineNo">367</span>   * read operation.<a name="line.367"></a>
+<span class="sourceLineNo">368</span>   */<a name="line.368"></a>
+<span class="sourceLineNo">369</span>  public long getSmallestReadPoint() {<a name="line.369"></a>
+<span class="sourceLineNo">370</span>    long minimumReadPoint;<a name="line.370"></a>
+<span class="sourceLineNo">371</span>    // We need to ensure that while we are calculating the smallestReadPoint<a name="line.371"></a>
+<span class="sourceLineNo">372</span>    // no new RegionScanners can grab a readPoint that we are unaware of.<a name="line.372"></a>
+<span class="sourceLineNo">373</span>    // We achieve this by synchronizing on the scannerReadPoints object.<a name="line.373"></a>
+<span class="sourceLineNo">374</span>    synchronized (scannerReadPoints) {<a name="line.374"></a>
+<span class="sourceLineNo">375</span>      minimumReadPoint = mvcc.getReadPoint();<a name="line.375"></a>
+<span class="sourceLineNo">376</span>      for (Long readPoint : this.scannerReadPoints.values()) {<a name="line.376"></a>
+<span class="sourceLineNo">377</span>        if (readPoint &lt; minimumReadPoint) {<a name="line.377"></a>
+<span class="sourceLineNo">378</span>          minimumReadPoint = readPoint;<a name="line.378"></a>
+<span class="sourceLineNo">379</span>        }<a name="line.379"></a>
+<span class="sourceLineNo">380</span>      }<a name="line.380"></a>
+<span class="sourceLineNo">381</span>    }<a name="line.381"></a>
+<span class="sourceLineNo">382</span>    return minimumReadPoint;<a name="line.382"></a>
+<span class="sourceLineNo">383</span>  }<a name="line.383"></a>
+<span class="sourceLineNo">384</span><a name="line.384"></a>
+<span class="sourceLineNo">385</span>  /*<a name="line.385"></a>
+<span class="sourceLineNo">386</span>   * Data structure of write state flags used coordinating flushes,<a name="line.386"></a>
+<span class="sourceLineNo">387</span>   * compactions and closes.<a name="line.387"></a>
+<span class="sourceLineNo">388</span>   */<a name="line.388"></a>
+<span class="sourceLineNo">389</span>  static class WriteState {<a name="line.389"></a>
+<span class="sourceLineNo">390</span>    // Set while a memstore flush is happening.<a name="line.390"></a>
+<span class="sourceLineNo">391</span>    volatile boolean flushing = false;<a name="line.391"></a>
+<span class="sourceLineNo">392</span>    // Set when a flush has been requested.<a name="line.392"></a>
+<span class="sourceLineNo">393</span>    volatile boolean flushRequested = false;<a name="line.393"></a>
+<span class="sourceLineNo">394</span>    // Number of compactions running.<a name="line.394"></a>
+<span class="sourceLineNo">395</span>    AtomicInteger compacting = new AtomicInteger(0);<a name="line.395"></a>
+<span class="sourceLineNo">396</span>    // Gets set in close. If set, cannot compact or flush again.<a name="line.396"></a>
+<span class="sourceLineNo">397</span>    volatile boolean writesEnabled = true;<a name="line.397"></a>
+<span class="sourceLineNo">398</span>    // Set if region is read-only<a name="line.398"></a>
+<span class="sourceLineNo">399</span>    volatile boolean readOnly = false;<a name="line.399"></a>
+<span class="sourceLineNo">400</span>    // whether the reads are enabled. This is different than readOnly, because readOnly is<a name="line.400"></a>
+<span class="sourceLineNo">401</span>    // static in the lifetime of the region, while readsEnabled is dynamic<a name="line.401"></a>
+<span class="sourceLineNo">402</span>    volatile boolean readsEnabled = true;<a name="line.402"></a>
+<span class="sourceLineNo">403</span><a name="line.403"></a>
+<span class="sourceLineNo">404</span>    /**<a name="line.404"></a>
+<span class="sourceLineNo">405</span>     * Set flags that make this region read-only.<a name="line.405"></a>
+<span class="sourceLineNo">406</span>     *<a name="line.406"></a>
+<span class="sourceLineNo">407</span>     * @param onOff flip value for region r/o setting<a name="line.407"></a>
+<span class="sourceLineNo">408</span>     */<a name="line.408"></a>
+<span class="sourceLineNo">409</span>    synchronized void setReadOnly(final boolean onOff) {<a name="line.409"></a>
+<span class="sourceLineNo">410</span>      this.writesEnabled = !onOff;<a name="line.410"></a>
+<span class="sourceLineNo">411</span>      this.readOnly = onOff;<a name="line.411"></a>
+<span class="sourceLineNo">412</span>    }<a name="line.412"></a>
+<span class="sourceLineNo">413</span><a name="line.413"></a>
+<span class="sourceLineNo">414</span>    boolean isReadOnly() {<a name="line.414"></a>
+<span class="sourceLineNo">415</span>      return this.readOnly;<a name="line.415"></a>
+<span class="sourceLineNo">416</span>    }<a name="line.416"></a>
+<span class="sourceLineNo">417</span><a name="line.417"></a>
+<span class="sourceLineNo">418</span>    boolean isFlushRequested() {<a name="line.418"></a>
+<span class="sourceLineNo">419</span>      return this.flushRequested;<a name="line.419"></a>
+<span class="sourceLineNo">420</span>    }<a name="line.420"></a>
+<span class="sourceLineNo">421</span><a name="line.421"></a>
+<span class="sourceLineNo">422</span>    void setReadsEnabled(boolean readsEnabled) {<a name="line.422"></a>
+<span class="sourceLineNo">423</span>      this.readsEnabled = readsEnabled;<a name="line.423"></a>
+<span class="sourceLineNo">424</span>    }<a name="line.424"></a>
+<span class="sourceLineNo">425</span><a name="line.425"></a>
+<span class="sourceLineNo">426</span>    static final long HEAP_SIZE = ClassSize.align(<a name="line.426"></a>
+<span class="sourceLineNo">427</span>        ClassSize.OBJECT + 5 * Bytes.SIZEOF_BOOLEAN);<a name="line.427"></a>
+<span class="sourceLineNo">428</span>  }<a name="line.428"></a>
+<span class="sourceLineNo">429</span><a name="line.429"></a>
+<span class="sourceLineNo">430</span>  /**<a name="line.430"></a>
+<span class="sourceLineNo">431</span>   * Objects from this class are created when flushing to describe all the different states that<a name="line.431"></a>
+<span class="sourceLineNo">432</span>   * that method ends up in. The Result enum describes those states. The sequence id should only<a name="line.432"></a>
+<span class="sourceLineNo">433</span>   * be specified if the flush was successful, and the failure message should only be specified<a name="line.433"></a>
+<span class="sourceLineNo">434</span>   * if it didn't flush.<a name="line.434"></a>
+<span class="sourceLineNo">435</span>   */<a name="line.435"></a>
+<span class="sourceLineNo">436</span>  public static class FlushResultImpl implements FlushResult {<a name="line.436"></a>
+<span class="sourceLineNo">437</span>    final Result result;<a name="line.437"></a>
+<span class="sourceLineNo">438</span>    final String failureReason;<a name="line.438"></a>
+<span class="sourceLineNo">439</span>    final long flushSequenceId;<a name="line.439"></a>
+<span class="sourceLineNo">440</span>    final boolean wroteFlushWalMarker;<a name="line.440"></a>
+<span class="sourceLineNo">441</span><a name="line.441"></a>
+<span class="sourceLineNo">442</span>    /**<a name="line.442"></a>
+<span class="sourceLineNo">443</span>     * Convenience constructor to use when the flush is successful, the failure message is set to<a name="line.443"></a>
+<span class="sourceLineNo">444</span>     * null.<a name="line.444"></a>
+<span class="sourceLineNo">445</span>     * @param result Expecting FLUSHED_NO_COMPACTION_NEEDED or FLUSHED_COMPACTION_NEEDED.<a name="line.445"></a>
+<span class="sourceLineNo">446</span>     * @param flushSequenceId Generated sequence id that comes right after the edits in the<a name="line.446"></a>
+<span class="sourceLineNo">447</span>     *                        memstores.<a name="line.447"></a>
+<span class="sourceLineNo">448</span>     */<a name="line.448"></a>
+<span class="sourceLineNo">449</span>    FlushResultImpl(Result result, long flushSequenceId) {<a name="line.449"></a>
+<span class="sourceLineNo">450</span>      this(result, flushSequenceId, null, false);<a name="line.450"></a>
+<span class="sourceLineNo">451</span>      assert result == Result.FLUSHED_NO_COMPACTION_NEEDED || result == Result<a name="line.451"></a>
+<span class="sourceLineNo">452</span>          .FLUSHED_COMPACTION_NEEDED;<a name="line.452"></a>
+<span class="sourceLineNo">453</span>    }<a name="line.453"></a>
+<span class="sourceLineNo">454</span><a name="line.454"></a>
+<span class="sourceLineNo">455</span>    /**<a name="line.455"></a>
+<span class="sourceLineNo">456</span>     * Convenience constructor to use when we cannot flush.<a name="line.456"></a>
+<span class="sourceLineNo">457</span>     * @param result Expecting CANNOT_FLUSH_MEMSTORE_EMPTY or CANNOT_FLUSH.<a name="line.457"></a>
+<span class="sourceLineNo">458</span>     * @param failureReason Reason why we couldn't flush.<a name="line.458"></a>
+<span class="sourceLineNo">459</span>     */<a name="line.459"></a>
+<span class="sourceLineNo">460</span>    FlushResultImpl(Result result, String failureReason, boolean wroteFlushMarker) {<a name="line.460"></a>
+<span class="sourceLineNo">461</span>      this(result, -1, failureReason, wroteFlushMarker);<a name="line.461"></a>
+<span class="sourceLineNo">462</span>      assert result == Result.CANNOT_FLUSH_MEMSTORE_EMPTY || result == Result.CANNOT_FLUSH;<a name="line.462"></a>
+<span class="sourceLineNo">463</span>    }<a name="line.463"></a>
+<span class="sourceLineNo">464</span><a name="line.464"></a>
+<span class="sourceLineNo">465</span>    /**<a name="line.465"></a>
+<span class="sourceLineNo">466</span>     * Constructor with all the parameters.<a name="line.466"></a>
+<span class="sourceLineNo">467</span>     * @param result Any of the Result.<a name="line.467"></a>
+<span class="sourceLineNo">468</span>     * @param flushSequenceId Generated sequence id if the memstores were flushed else -1.<a name="line.468"></a>
+<span class="sourceLineNo">469</span>     * @param failureReason Reason why we couldn't flush, or null.<a name="line.469"></a>
+<span class="sourceLineNo">470</span>     */<a name="line.470"></a>
+<span class="sourceLineNo">471</span>    FlushResultImpl(Result result, long flushSequenceId, String failureReason,<a name="line.471"></a>
+<span class="sourceLineNo">472</span>      boolean wroteFlushMarker) {<a name="line.472"></a>
+<span class="sourceLineNo">473</span>      this.result = result;<a name="line.473"></a>
+<span class="sourceLineNo">474</span>      this.flushSequenceId = flushSequenceId;<a name="line.474"></a>
+<span class="sourceLineNo">475</span>      this.failureReason = failureReason;<a name="line.475"></a>
+<span class="sourceLineNo">476</span>      this.wroteFlushWalMarker = wroteFlushMarker;<a name="line.476"></a>
+<span class="sourceLineNo">477</span>    }<a name="line.477"></a>
+<span class="sourceLineNo">478</span><a name="line.478"></a>
+<span class="sourceLineNo">479</span>    /**<a name="line.479"></a>
+<span class="sourceLineNo">480</span>     * Convenience method, the equivalent of checking if result is<a name="line.480"></a>
+<span class="sourceLineNo">481</span>     * FLUSHED_NO_COMPACTION_NEEDED or FLUSHED_NO_COMPACTION_NEEDED.<a name="line.481"></a>
+<span class="sourceLineNo">482</span>     * @return true if the memstores were flushed, else false.<a name="line.482"></a>
+<span class="sourceLineNo">483</span>     */<a name="line.483"></a>
+<span class="sourceLineNo">484</span>    @Override<a name="line.484"></a>
+<span class="sourceLineNo">485</span>    public boolean isFlushSucceeded() {<a name="line.485"></a>
+<span class="sourceLineNo">486</span>      return result == Result.FLUSHED_NO_COMPACTION_NEEDED || result == Result<a name="line.486"></a>
+<span class="sourceLineNo">487</span>          .FLUSHED_COMPACTION_NEEDED;<a name="line.487"></a>
+<span class="sourceLineNo">488</span>    }<a name="line.488"></a>
+<span class="sourceLineNo">489</span><a name="line.489"></a>
+<span class="sourceLineNo">490</span>    /**<a name="line.490"></a>
+<span class="sourceLineNo">491</span>     * Convenience method, the equivalent of checking if result is FLUSHED_COMPACTION_NEEDED.<a name="line.491"></a>
+<span class="sourceLineNo">492</span>     * @return True if the flush requested a compaction, else false (doesn't even mean it flushed).<a name="line.492"></a>
+<span class="sourceLineNo">493</span>     */<a name="line.493"></a>
+<span class="sourceLineNo">494</span>    @Override<a name="line.494"></a>
+<span class="sourceLineNo">495</span>    public boolean isCompactionNeeded() {<a name="line.495"></a>
+<span class="sourceLineNo">496</span>      return result == Result.FLUSHED_COMPACTION_NEEDED;<a name="line.496"></a>
+<span class="sourceLineNo">497</span>    }<a name="line.497"></a>
+<span class="sourceLineNo">498</span><a name="line.498"></a>
+<span class="sourceLineNo">499</span>    @Override<a name="line.499"></a>
+<span class="sourceLineNo">500</span>    public String toString() {<a name="line.500"></a>
+<span class="sourceLineNo">501</span>      return new StringBuilder()<a name="line.501"></a>
+<span class="sourceLineNo">502</span>        .append("flush result:").append(result).append(", ")<a name="line.502"></a>
+<span class="sourceLineNo">503</span>        .append("failureReason:").append(failureReason).append(",")<a name="line.503"></a>
+<span class="sourceLineNo">504</span>        .append("flush seq id").append(flushSequenceId).toString();<a name="line.504"></a>
+<span class="sourceLineNo">505</span>    }<a name="line.505"></a>
+<span class="sourceLineNo">506</span><a name="line.506"></a>
+<span class="sourceLineNo">507</span>    @Override<a name="line.507"></a>
+<span class="sourceLineNo">508</span>    public Result getResult() {<a name="line.508"></a>
+<span class="sourceLineNo">509</span>      return result;<a name="line.509"></a>
+<span class="sourceLineNo">510</span>    }<a name="line.510"></a>
+<span class="sourceLineNo">511</span>  }<a name="line.511"></a>
+<span class="sourceLineNo">512</span><a name="line.512"></a>
+<span class="sourceLineNo">513</span>  /** A result object from prepare flush cache stage */<a name="line.513"></a>
+<span class="sourceLineNo">514</span>  @VisibleForTesting<a name="line.514"></a>
+<span class="sourceLineNo">515</span>  static class PrepareFlushResult {<a name="line.515"></a>
+<span class="sourceLineNo">516</span>    final FlushResult result; // indicating a failure result from prepare<a name="line.516"></a>
+<span class="sourceLineNo">517</span>    final TreeMap&lt;byte[], StoreFlushContext&gt; storeFlushCtxs;<a name="line.517"></a>
+<span class="sourceLineNo">518</span>    final TreeMap&lt;byte[], List&lt;Path&gt;&gt; committedFiles;<a name="line.518"></a>
+<span class="sourceLineNo">519</span>    final TreeMap&lt;byte[], MemstoreSize&gt; storeFlushableSize;<a name="line.519"></a>
+<span class="sourceLineNo">520</span>    final long startTime;<a name="line.520"></a>
+<span class="sourceLineNo">521</span>    final long flushOpSeqId;<a name="line.521"></a>
+<span class="sourceLineNo">522</span>    final long flushedSeqId;<a name="line.522"></a>
+<span class="sourceLineNo">523</span>    final MemstoreSize totalFlushableSize;<a name="line.523"></a>
+<span class="sourceLineNo">524</span><a name="line.524"></a>
+<span class="sourceLineNo">525</span>    /** Constructs an early exit case */<a name="line.525"></a>
+<span class="sourceLineNo">526</span>    PrepareFlushResult(FlushResult result, long flushSeqId) {<a name="line.526"></a>
+<span class="sourceLineNo">527</span>      this(result, null, null, null, Math.max(0, flushSeqId), 0, 0, new MemstoreSize());<a name="line.527"></a>
+<span class="sourceLineNo">528</span>    }<a name="line.528"></a>
+<span class="sourceLineNo">529</span><a name="line.529"></a>
+<span class="sourceLineNo">530</span>    /** Constructs a successful prepare flush result */<a name="line.530"></a>
+<span class="sourceLineNo">531</span>    PrepareFlushResult(<a name="line.531"></a>
+<span class="sourceLineNo">532</span>      TreeMap&lt;byte[], StoreFlushContext&gt; storeFlushCtxs,<a name="line.532"></a>
+<span class="sourceLineNo">533</span>      TreeMap&lt;byte[], List&lt;Path&gt;&gt; committedFiles,<a name="line.533"></a>
+<span class="sourceLineNo">534</span>      TreeMap&lt;byte[], MemstoreSize&gt; storeFlushableSize, long startTime, long flushSeqId,<a name="line.534"></a>
+<span class="sourceLineNo">535</span>      long flushedSeqId, MemstoreSize totalFlushableSize) {<a name="line.535"></a>
+<span class="sourceLineNo">536</span>      this(null, storeFlushCtxs, committedFiles, storeFlushableSize, startTime,<a name="line.536"></a>
+<span class="sourceLineNo">537</span>        flushSeqId, flushedSeqId, totalFlushableSize);<a name="line.537"></a>
+<span class="sourceLineNo">538</span>    }<a name="line.538"></a>
+<span class="sourceLineNo">539</span><a name="line.539"></a>
+<span class="sourceLineNo">540</span>    private PrepareFlushResult(<a name="line.540"></a>
+<span class="sourceLineNo">541</span>      FlushResult result,<a name="line.541"></a>
+<span class="sourceLineNo">542</span>      TreeMap&lt;byte[], StoreFlushContext&gt; storeFlushCtxs,<a name="line.542"></a>
+<span class="sourceLineNo">543</span>      TreeMap&lt;byte[], List&lt;Path&gt;&gt; committedFiles,<a name="line.543"></a>
+<span class="sourceLineNo">544</span>      TreeMap&lt;byte[], MemstoreSize&gt; storeFlushableSize, long startTime, long flushSeqId,<a name="line.544"></a>
+<span class="sourceLineNo">545</span>      long flushedSeqId, MemstoreSize totalFlushableSize) {<a name="line.545"></a>
+<span class="sourceLineNo">546</span>      this.result = result;<a name="line.546"></a>
+<span class="sourceLineNo">547</span>      this.storeFlushCtxs = storeFlushCtxs;<a name="line.547"></a>
+<span class="sourceLineNo">548</span>      this.committedFiles = committedFiles;<a name="line.548"></a>
+<span class="sourceLineNo">549</span>      this.storeFlushableSize = storeFlushableSize;<a name="line.549"></a>
+<span class="sourceLineNo">550</span>      this.startTime = startTime;<a name="line.550"></a>
+<span class="sourceLineNo">551</span>      this.flushOpSeqId = flushSeqId;<a name="line.551"></a>
+<span class="sourceLineNo">552</span>      this.flushedSeqId = flushedSeqId;<a name="line.552"></a>
+<span class="sourceLineNo">553</span>      this.totalFlushableSize = totalFlushableSize;<a name="line.553"></a>
+<span class="sourceLineNo">554</span>    }<a name="line.554"></a>
+<span class="sourceLineNo">555</span><a name="line.555"></a>
+<span class="sourceLineNo">556</span>    public FlushResult getResult() {<a name="line.556"></a>
+<span class="sourceLineNo">557</span>      return this.result;<a name="line.557"></a>
+<span class="sourceLineNo">558</span>    }<a name="line.558"></a>
+<span class="sourceLineNo">559</span>  }<a name="line.559"></a>
+<span class="sourceLineNo">560</span><a name="line.560"></a>
+<span class="sourceLineNo">561</span>  /**<a name="line.561"></a>
+<span class="sourceLineNo">562</span>   * A class that tracks exceptions that have been observed in one batch. Not thread safe.<a name="line.562"></a>
+<span class="sourceLineNo">563</span>   */<a name="line.563"></a>
+<span class="sourceLineNo">564</span>  static class ObservedExceptionsInBatch {<a name="line.564"></a>
+<span class="sourceLineNo">565</span>    private boolean wrongRegion = false;<a name="line.565"></a>
+<span class="sourceLineNo">566</span>    private boolean failedSanityCheck = false;<a name="line.566"></a>
+<span class="sourceLineNo">567</span>    private boolean wrongFamily = false;<a name="line.567"></a>
+<span class="sourceLineNo">568</span><a name="line.568"></a>
+<span class="sourceLineNo">569</span>    /**<a name="line.569"></a>
+<span class="sourceLineNo">570</span>     * @return If a {@link WrongRegionException} has been observed.<a name="line.570"></a>
+<span class="sourceLineNo">571</span>     */<a name="line.571"></a>
+<span class="sourceLineNo">572</span>    boolean hasSeenWrongRegion() {<a name="line.572"></a>
+<span class="sourceLineNo">573</span>      return wrongRegion;<a name="line.573"></a>
+<span class="sourceLineNo">574</span>    }<a name="line.574"></a>
+<span class="sourceLineNo">575</span><a name="line.575"></a>
+<span class="sourceLineNo">576</span>    /**<a name="line.576"></a>
+<span class="sourceLineNo">577</span>     * Records that a {@link WrongRegionException} has been observed.<a name="line.577"></a>
+<span class="sourceLineNo">578</span>     */<a name="line.578"></a>
+<span class="sourceLineNo">579</span>    void sawWrongRegion() {<a name="line.579"></a>
+<span class="sourceLineNo">580</span>      wrongRegion = true;<a name="line.580"></a>
+<span class="sourceLineNo">581</span>    }<a name="line.581"></a>
+<span class="sourceLineNo">582</span><a name="line.582"></a>
+<span class="sourceLineNo">583</span>    /**<a name="line.583"></a>
+<span class="sourceLineNo">584</span>     * @return If a {@link FailedSanityCheckException} has been observed.<a name="line.584"></a>
+<span class="sourceLineNo">585</span>     */<a name="line.585"></a>
+<span class="sourceLineNo">586</span>    boolean hasSeenFailedSanityCheck() {<a name="line.586"></a>
+<span class="sourceLineNo">587</span>      return failedSanityCheck;<a name="line.587"></a>
+<span class="sourceLineNo">588</span>    }<a name="line.588"></a>
+<span class="sourceLineNo">589</span><a name="line.589"></a>
+<span class="sourceLineNo">590</span>    /**<a name="line.590"></a>
+<span class="sourceLineNo">591</span>     * Records that a {@link FailedSanityCheckException} has been observed.<a name="line.591"></a>
+<span class="sourceLineNo">592</span>     */<a name="line.592"></a>
+<span class="sourceLineNo">593</span>    void sawFailedSanityCheck() {<a name="line.593"></a>
+<span class="sourceLineNo">594</span>      failedSanityCheck = true;<a name="line.594"></a>
+<span class="sourceLineNo">595</span>    }<a name="line.595"></a>
+<span class="sourceLineNo">596</span><a name="line.596"></a>
+<span class="sourceLineNo">597</span>    /**<a name="line.597"></a>
+<span class="sourceLineNo">598</span>     * @return If a {@link NoSuchColumnFamilyException} has been observed.<a name="line.598"></a>
+<span class="sourceLineNo">599</span>     */<a name="line.599"></a>
+<span class="sourceLineNo">600</span>    boolean hasSeenNoSuchFamily() {<a name="line.600"></a>
+<span class="sourceLineNo">601</span>      return wrongFamily;<a name="line.601"></a>
+<span class="sourceLineNo">602</span>    }<a name="line.602"></a>
+<span class="sourceLineNo">603</span><a name="line.603"></a>
+<span class="sourceLineNo">604</span>    /**<a name="line.604"></a>
+<span class="sourceLineNo">605</span>     * Records that a {@link NoSuchColumnFamilyException} has been observed.<a name="line.605"></a>
+<span class="sourceLineNo">606</span>     */<a name="line.606"></a>
+<span class="sourceLineNo">607</span>    void sawNoSuchFamily() {<a name="line.607"></a>
+<span class="sourceLineNo">608</span>      wrongFamily = true;<a name="line.608"></a>
+<span class="sourceLineNo">609</span>    }<a name="line.609"></a>
+<span class="sourceLineNo">610</span>  }<a name="line.610"></a>
 <span class="sourceLineNo">611</span><a name="line.611"></a>
-<span class="sourceLineNo">612</span>  long memstoreFlushSize;<a name="line.612"></a>
-<span class="sourceLineNo">613</span>  final long timestampSlop;<a name="line.613"></a>
-<span class="sourceLineNo">614</span>  final long rowProcessorTimeout;<a name="line.614"></a>
-<span class="sourceLineNo">615</span><a name="line.615"></a>
-<span class="sourceLineNo">616</span>  // Last flush time for each Store. Useful when we are flushing for each column<a name="line.616"></a>
-<span class="sourceLineNo">617</span>  private final ConcurrentMap&lt;Store, Long&gt; lastStoreFlushTimeMap = new ConcurrentHashMap&lt;&gt;();<a name="line.617"></a>
-<span class="sourceLineNo">618</span><a name="line.618"></a>
-<span class="sourceLineNo">619</span>  final RegionServerServices rsServices;<a name="line.619"></a>
-<span class="sourceLineNo">620</span>  private RegionServerAccounting rsAccounting;<a name="line.620"></a>
-<span class="sourceLineNo">621</span>  private long flushCheckInterval;<a name="line.621"></a>
-<span class="sourceLineNo">622</span>  // flushPerChanges is to prevent too many changes in memstore<a name="line.622"></a>
-<span class="sourceLineNo">623</span>  private long flushPerChanges;<a name="line.623"></a>
-<span class="sourceLineNo">624</span>  private long blockingMemStoreSize;<a name="line.624"></a>
-<span class="sourceLineNo">625</span>  final long threadWakeFrequency;<a name="line.625"></a>
-<span class="sourceLineNo">626</span>  // Used to guard closes<a name="line.626"></a>
-<span class="sourceLineNo">627</span>  final ReentrantReadWriteLock lock = new ReentrantReadWriteLock();<a name="line.627"></a>
-<span class="sourceLineNo">628</span><a name="line.628"></a>
-<span class="sourceLineNo">629</span>  // Stop updates lock<a name="line.629"></a>
-<span class="sourceLineNo">630</span>  private final ReentrantReadWriteLock updatesLock = new ReentrantReadWriteLock();<a name="line.630"></a>
-<span class="sourceLineNo">631</span>  private boolean splitRequest;<a name="line.631"></a>
-<span class="sourceLineNo">632</span>  private byte[] explicitSplitPoint = null;<a name="line.632"></a>
-<span class="sourceLineNo">633</span><a name="line.633"></a>
-<span class="sourceLineNo">634</span>  private final MultiVersionConcurrencyControl mvcc = new MultiVersionConcurrencyControl();<a name="line.634"></a>
+<span class="sourceLineNo">612</span>  final WriteState writestate = new WriteState();<a name="line.612"></a>
+<span class="sourceLineNo">613</span><a name="line.613"></a>
+<span class="sourceLineNo">614</span>  long memstoreFlushSize;<a name="line.614"></a>
+<span class="sourceLineNo">615</span>  final long timestampSlop;<a name="line.615"></a>
+<span class="sourceLineNo">616</span>  final long rowProcessorTimeout;<a name="line.616"></a>
+<span class="sourceLineNo">617</span><a name="line.617"></a>
+<span class="sourceLineNo">618</span>  // Last flush time for each Store. Useful when we are flushing for each column<a name="line.618"></a>
+<span class="sourceLineNo">619</span>  private final ConcurrentMap&lt;Store, Long&gt; lastStoreFlushTimeMap = new ConcurrentHashMap&lt;&gt;();<a name="line.619"></a>
+<span class="sourceLineNo">620</span><a name="line.620"></a>
+<span class="sourceLineNo">621</span>  final RegionServerServices rsServices;<a name="line.621"></a>
+<span class="sourceLineNo">622</span>  private RegionServerAccounting rsAccounting;<a name="line.622"></a>
+<span class="sourceLineNo">623</span>  private long flushCheckInterval;<a name="line.623"></a>
+<span class="sourceLineNo">624</span>  // flushPerChanges is to prevent too many changes in memstore<a name="line.624"></a>
+<span class="sourceLineNo">625</span>  private long flushPerChanges;<a name="line.625"></a>
+<span class="sourceLineNo">626</span>  private long blockingMemStoreSize;<a name="line.626"></a>
+<span class="sourceLineNo">627</span>  final long threadWakeFrequency;<a name="line.627"></a>
+<span class="sourceLineNo">628</span>  // Used to guard closes<a name="line.628"></a>
+<span class="sourceLineNo">629</span>  final ReentrantReadWriteLock lock = new ReentrantReadWriteLock();<a name="line.629"></a>
+<span class="sourceLineNo">630</span><a name="line.630"></a>
+<span class="sourceLineNo">631</span>  // Stop updates lock<a name="line.631"></a>
+<span class="sourceLineNo">632</span>  private final ReentrantReadWriteLock updatesLock = new ReentrantReadWriteLock();<a name="line.632"></a>
+<span class="sourceLineNo">633</span>  private boolean splitRequest;<a name="line.633"></a>
+<span class="sourceLineNo">634</span>  private byte[] explicitSplitPoint = null;<a name="line.634"></a>
 <span class="sourceLineNo">635</span><a name="line.635"></a>
-<span class="sourceLineNo">636</span>  // Coprocessor host<a name="line.636"></a>
-<span class="sourceLineNo">637</span>  private RegionCoprocessorHost coprocessorHost;<a name="line.637"></a>
-<span class="sourceLineNo">638</span><a name="line.638"></a>
-<span class="sourceLineNo">639</span>  private TableDescriptor htableDescriptor = null;<a name="line.639"></a>
-<span class="sourceLineNo">640</span>  private RegionSplitPolicy splitPolicy;<a name="line.640"></a>
-<span class="sourceLineNo">641</span>  private FlushPolicy flushPolicy;<a name="line.641"></a>
-<span class="sourceLineNo">642</span><a name="line.642"></a>
-<span class="sourceLineNo">643</span>  private final MetricsRegion metricsRegion;<a name="line.643"></a>
-<span class="sourceLineNo">644</span>  private final MetricsRegionWrapperImpl metricsRegionWrapper;<a name="line.644"></a>
-<span class="sourceLineNo">645</span>  private final Durability durability;<a name="line.645"></a>
-<span class="sourceLineNo">646</span>  private final boolean regionStatsEnabled;<a name="line.646"></a>
-<span class="sourceLineNo">647</span>  // Stores the replication scope of the various column families of the table<a name="line.647"></a>
-<span class="sourceLineNo">648</span>  // that has non-default scope<a name="line.648"></a>
-<span class="sourceLineNo">649</span>  private final NavigableMap&lt;byte[], Integer&gt; replicationScope = new TreeMap&lt;&gt;(<a name="line.649"></a>
-<span class="sourceLineNo">650</span>      Bytes.BYTES_COMPARATOR);<a name="line.650"></a>
-<span class="sourceLineNo">651</span><a name="line.651"></a>
-<span class="sourceLineNo">652</span>  // whether to unassign region if we hit FNFE<a name="line.652"></a>
-<span class="sourceLineNo">653</span>  private final RegionUnassigner regionUnassigner;<a name="line.653"></a>
-<span class="sourceLineNo">654</span>  /**<a name="line.654"></a>
-<span class="sourceLineNo">655</span>   * HRegion constructor. This constructor should only be used for testing and<a name="line.655"></a>
-<span class="sourceLineNo">656</span>   * extensions.  Instances of HRegion should be instantiated with the<a name="line.656"></a>
-<span class="sourceLineNo">657</span>   * {@link HRegion#createHRegion} or {@link HRegion#openHRegion} method.<a name="line.657"></a>
-<span class="sourceLineNo">658</span>   *<a name="line.658"></a>
-<span class="sourceLineNo">659</span>   * @param tableDir qualified path of directory where region should be located,<a name="line.659"></a>
-<span class="sourceLineNo">660</span>   * usually the table directory.<a name="line.660"></a>
-<span class="sourceLineNo">661</span>   * @param wal The WAL is the outbound log for any updates to the HRegion<a name="line.661"></a>
-<span class="sourceLineNo">662</span>   * The wal file is a logfile from the previous execution that's<a name="line.662"></a>
-<span class="sourceLineNo">663</span>   * custom-computed for this HRegion. The HRegionServer computes and sorts the<a name="line.663"></a>
-<span class="sourceLineNo">664</span>   * appropriate wal info for this HRegion. If there is a previous wal file<a name="line.664"></a>
-<span class="sourceLineNo">665</span>   * (implying that the HRegion has been written-to before), then read it from<a name="line.665"></a>
-<span class="sourceLineNo">666</span>   * the supplied path.<a name="line.666"></a>
-<span class="sourceLineNo">667</span>   * @param fs is the filesystem.<a name="line.667"></a>
-<span class="sourceLineNo">668</span>   * @param confParam is global configuration settings.<a name="line.668"></a>
-<span class="sourceLineNo">669</span>   * @param regionInfo - HRegionInfo that describes the region<a name="line.669"></a>
-<span class="sourceLineNo">670</span>   * is new), then read them from the supplied path.<a name="line.670"></a>
-<span class="sourceLineNo">671</span>   * @param htd the table descriptor<a name="line.671"></a>
-<span class="sourceLineNo">672</span>   * @param rsServices reference to {@link RegionServerServices} or null<a name="line.672"></a>
-<span class="sourceLineNo">673</span>   * @deprecated Use other constructors.<a name="line.673"></a>
-<span class="sourceLineNo">674</span>   */<a name="line.674"></a>
-<span class="sourceLineNo">675</span>  @Deprecated<a name="line.675"></a>
-<span class="sourceLineNo">676</span>  @VisibleForTesting<a name="line.676"></a>
-<span class="sourceLineNo">677</span>  public HRegion(final Path tableDir, final WAL wal, final FileSystem fs,<a name="line.677"></a>
-<span class="sourceLineNo">678</span>      final Configuration confParam, final HRegionInfo regionInfo,<a name="line.678"></a>
-<span class="sourceLineNo">679</span>      final TableDescriptor htd, final RegionServerServices rsServices) {<a name="line.679"></a>
-<span class="sourceLineNo">680</span>    this(new HRegionFileSystem(confParam, fs, tableDir, regionInfo),<a name="line.680"></a>
-<span class="sourceLineNo">681</span>      wal, confParam, htd, rsServices);<a name="line.681"></a>
-<span class="sourceLineNo">682</span>  }<a name="line.682"></a>
-<span class="sourceLineNo">683</span><a name="line.683"></a>
-<span class="sourceLineNo">684</span>  /**<a name="line.684"></a>
-<span class="sourceLineNo">685</span>   * HRegion constructor. This constructor should only be used for testing and<a name="line.685"></a>
-<span class="sourceLineNo">686</span>   * extensions.  Instances of HRegion should be instantiated with the<a name="line.686"></a>
-<span class="sourceLineNo">687</span>   * {@link HRegion#createHRegion} or {@link HRegion#openHRegion} method.<a name="line.687"></a>
-<span class="sourceLineNo">688</span>   *<a name="line.688"></a>
-<span class="sourceLineNo">689</span>   * @param fs is the filesystem.<a name="line.689"></a>
-<span class="sourceLineNo">690</span>   * @param wal The WAL is the outbound log for any updates to the HRegion<a name="line.690"></a>
-<span class="sourceLineNo">691</span>   * The wal file is a logfile from the previous execution that's<a name="line.691"></a>
-<span class="sourceLineNo">692</span>   * custom-computed for this HRegion. The HRegionServer computes and sorts the<a name="line.692"></a>
-<span class="sourceLineNo">693</span>   * appropriate wal info for this HRegion. If there is a previous wal file<a name="line.693"></a>
-<span class="sourceLineNo">694</span>   * (implying that the HRegion has been written-to before), then read it from<a name="line.694"></a>
-<span class="sourceLineNo">695</span>   * the supplied path.<a name="line.695"></a>
-<span class="sourceLineNo">696</span>   * @param confParam is global configuration settings.<a name="line.696"></a>
-<span class="sourceLineNo">697</span>   * @param htd the table descriptor<a name="line.697"></a>
-<span class="sourceLineNo">698</span>   * @param rsServices reference to {@link RegionServerServices} or null<a name="line.698"></a>
-<span class="sourceLineNo">699</span>   */<a name="line.699"></a>
-<span class="sourceLineNo">700</span>  public HRegion(final HRegionFileSystem fs, final WAL wal, final Configuration confParam,<a name="line.700"></a>
-<span class="sourceLineNo">701</span>      final TableDescriptor htd, final RegionServerServices rsServices) {<a name="line.701"></a>
-<span class="sourceLineNo">702</span>    if (htd == null) {<a name="line.702"></a>
-<span class="sourceLineNo">703</span>      throw new IllegalArgumentException("Need table descriptor");<a name="line.703"></a>
-<span class="sourceLineNo">704</span>    }<a name="line.704"></a>
-<span class="sourceLineNo">705</span><a name="line.705"></a>
-<span class="sourceLineNo">706</span>    if (confParam instanceof CompoundConfiguration) {<a name="line.706"></a>
-<span class="sourceLineNo">707</span>      throw new IllegalArgumentException("Need original base configuration");<a name="line.707"></a>
-<span class="sourceLineNo">708</span>    }<a name="line.708"></a>
-<span class="sourceLineNo">709</span><a name="line.709"></a>
-<span class="sourceLineNo">710</span>    this.wal = wal;<a name="line.710"></a>
-<span class="sourceLineNo">711</span>    this.fs = fs;<a name="line.711"></a>
-<span class="sourceLineNo">712</span><a name="line.712"></a>
-<span class="sourceLineNo">713</span>    // 'conf' renamed to 'confParam' b/c we use this.conf in the constructor<a name="line.713"></a>
-<span class="sourceLineNo">714</span>    this.baseConf = confParam;<a name="line.714"></a>
-<span class="sourceLineNo">715</span>    this.conf = new CompoundConfiguration()<a name="line.715"></a>
-<span class="sourceLineNo">716</span>      .add(confParam)<a name="line.716"></a>
-<span class="sourceLineNo">717</span>      .addStringMap(htd.getConfiguration())<a name="line.717"></a>
-<span class="sourceLineNo">718</span>      .addBytesMap(htd.getValues());<a name="line.718"></a>
-<span class="sourceLineNo">719</span>    this.flushCheckInterval = conf.getInt(MEMSTORE_PERIODIC_FLUSH_INTERVAL,<a name="line.719"></a>
-<span class="sourceLineNo">720</span>        DEFAULT_CACHE_FLUSH_INTERVAL);<a name="line.720"></a>
-<span class="sourceLineNo">721</span>    this.flushPerChanges = conf.getLong(MEMSTORE_FLUSH_PER_CHANGES, DEFAULT_FLUSH_PER_CHANGES);<a name="line.721"></a>
-<span class="sourceLineNo">722</span>    if (this.flushPerChanges &gt; MAX_FLUSH_PER_CHANGES) {<a name="line.722"></a>
-<span class="sourceLineNo">723</span>      throw new IllegalArgumentException(MEMSTORE_FLUSH_PER_CHANGES + " can not exceed "<a name="line.723"></a>
-<span class="sourceLineNo">724</span>          + MAX_FLUSH_PER_CHANGES);<a name="line.724"></a>
-<span class="sourceLineNo">725</span>    }<a name="line.725"></a>
-<span class="sourceLineNo">726</span>    this.rowLockWaitDuration = conf.getInt("hbase.rowlock.wait.duration",<a name="line.726"></a>
-<span class="sourceLineNo">727</span>                    DEFAULT_ROWLOCK_WAIT_DURATION);<a name="line.727"></a>
-<span class="sourceLineNo">728</span><a name="line.728"></a>
-<span class="sourceLineNo">729</span>    this.isLoadingCfsOnDemandDefault = conf.getBoolean(LOAD_CFS_ON_DEMAND_CONFIG_KEY, true);<a name="line.729"></a>
-<span class="sourceLineNo">730</span>    this.htableDescriptor = htd;<a name="line.730"></a>
-<span class="sourceLineNo">731</span>    Set&lt;byte[]&gt; families = this.htableDescriptor.getColumnFamilyNames();<a name="line.731"></a>
-<span class="sourceLineNo">732</span>    for (byte[] family : families) {<a name="line.732"></a>
-<span class="sourceLineNo">733</span>      if (!replicationScope.containsKey(family)) {<a name="line.733"></a>
-<span class="sourceLineNo">734</span>        int scope = htd.getColumnFamily(family).getScope();<a name="line.734"></a>
-<span class="sourceLineNo">735</span>        // Only store those families that has NON-DEFAULT scope<a name="line.735"></a>
-<span class="sourceLineNo">736</span>        if (scope != REPLICATION_SCOPE_LOCAL) {<a name="line.736"></a>
-<span class="sourceLineNo">737</span>          // Do a copy before storing it here.<a name="line.737"></a>
-<span class="sourceLineNo">738</span>          replicationScope.put(Bytes.copy(family), scope);<a name="line.738"></a>
-<span class="sourceLineNo">739</span>        }<a name="line.739"></a>
-<span class="sourceLineNo">740</span>      }<a name="line.740"></a>
-<span class="sourceLineNo">741</span>    }<a name="line.741"></a>
-<span class="sourceLineNo">742</span>    this.rsServices = rsServices;<a name="line.742"></a>
-<span class="sourceLineNo">743</span>    this.threadWakeFrequency = conf.getLong(HConstants.THREAD_WAKE_FREQUENCY, 10 * 1000);<a name="line.743"></a>
-<span class="sourceLineNo">744</span>    setHTableSpecificConf();<a name="line.744"></a>
-<span class="sourceLineNo">745</span>    this.scannerReadPoints = new ConcurrentHashMap&lt;&gt;();<a name="line.745"></a>
-<span class="sourceLineNo">746</span><a name="line.746"></a>
-<span class="sourceLineNo">747</span>    this.busyWaitDuration = conf.getLong(<a name="line.747"></a>
-<span class="sourceLineNo">748</span>      "hbase.busy.wait.duration", DEFAULT_BUSY_WAIT_DURATION);<a name="line.748"></a>
-<span class="sourceLineNo">749</span>    this.maxBusyWaitMultiplier = conf.getInt("hbase.busy.wait.multiplier.max", 2);<a name="line.749"></a>
-<span class="sourceLineNo">750</span>    if (busyWaitDuration * maxBusyWaitMultiplier &lt;= 0L) {<a name="line.750"></a>
-<span class="sourceLineNo">751</span>      throw new IllegalArgumentException("Invalid hbase.busy.wait.duration ("<a name="line.751"></a>
-<span class="sourceLineNo">752</span>        + busyWaitDuration + ") or hbase.busy.wait.multiplier.max ("<a name="line.752"></a>
-<span class="sourceLineNo">753</span>        + maxBusyWaitMultiplier + "). Their product should be positive");<a name="line.753"></a>
-<span class="sourceLineNo">754</span>    }<a name="line.754"></a>
-<span class="sourceLineNo">755</span>    this.maxBusyWaitDuration = conf.getLong("hbase.ipc.client.call.purge.timeout",<a name="line.755"></a>
-<span class="sourceLineNo">756</span>      2 * HConstants.DEFAULT_HBASE_RPC_TIMEOUT);<a name="line.756"></a>
-<span class="sourceLineNo">757</span><a name="line.757"></a>
-<span class="sourceLineNo">758</span>    /*<a name="line.758"></a>
-<span class="sourceLineNo">759</span>     * timestamp.slop provides a server-side constraint on the timestamp. This<a name="line.759"></a>
-<span class="sourceLineNo">760</span>     * assumes that you base your TS around currentTimeMillis(). In this case,<a name="line.760"></a>
-<span class="sourceLineNo">761</span>     * throw an error to the user if the user-specified TS is newer than now +<a name="line.761"></a>
-<span class="sourceLineNo">762</span>     * slop. LATEST_TIMESTAMP == don't use this functionality<a name="line.762"></a>
-<span class="sourceLineNo">763</span>     */<a name="line.763"></a>
-<span class="sourceLineNo">764</span>    this.timestampSlop = conf.getLong(<a name="line.764"></a>
-<span class="sourceLineNo">765</span>        "hbase.hregion.keyvalue.timestamp.slop.millisecs",<a name="line.765"></a>
-<span class="sourceLineNo">766</span>        HConstants.LATEST_TIMESTAMP);<a name="line.766"></a>
-<span class="sourceLineNo">767</span><a name="line.767"></a>
-<span class="sourceLineNo">768</span>    /**<a name="line.768"></a>
-<span class="sourceLineNo">769</span>     * Timeout for the process time in processRowsWithLocks().<a name="line.769"></a>
-<span class="sourceLineNo">770</span>     * Use -1 to switch off time bound.<a name="line.770"></a>
-<span class="sourceLineNo">771</span>     */<a name="line.771"></a>
-<span class="sourceLineNo">772</span>    this.rowProcessorTimeout = conf.getLong(<a name="line.772"></a>
-<span class="sourceLineNo">773</span>        "hbase.hregion.row.processor.timeout", DEFAULT_ROW_PROCESSOR_TIMEOUT);<a name="line.773"></a>
-<span class="sourceLineNo">774</span>    this.durability = htd.getDurability() == Durability.USE_DEFAULT<a name="line.774"></a>
-<span class="sourceLineNo">775</span>        ? DEFAULT_DURABILITY<a name="line.775"></a>
-<span class="sourceLineNo">776</span>        : htd.getDurability();<a name="line.776"></a>
-<span class="sourceLineNo">777</span>    if (rsServices != null) {<a name="line.777"></a>
-<span class="sourceLineNo">778</span>      this.rsAccounting = this.rsServices.getRegionServerAccounting();<a name="line.778"></a>
-<span class="sourceLineNo">779</span>      // don't initialize coprocessors if not running within a regionserver<a name="line.779"></a>
-<span class="sourceLineNo">780</span>      // TODO: revisit if coprocessors should load in other cases<a name="line.780"></a>
-<span class="sourceLineNo">781</span>      this.coprocessorHost = new RegionCoprocessorHost(this, rsServices, conf);<a name="line.781"></a>
-<span class="sourceLineNo">782</span>      this.metricsRegionWrapper = new MetricsRegionWrapperImpl(this);<a name="line.782"></a>
-<span class="sourceLineNo">783</span>      this.metricsRegion = new MetricsRegion(this.metricsRegionWrapper);<a name="line.783"></a>
-<span class="sourceLineNo">784</span><a name="line.784"></a>
-<span class="sourceLineNo">785</span>      Map&lt;String, Region&gt; recoveringRegions = rsServices.getRecoveringRegions();<a name="line.785"></a>
-<span class="sourceLineNo">786</span>      String encodedName = getRegionInfo().getEncodedName();<a name="line.786"></a>
-<span class="sourceLineNo">787</span>      if (recoveringRegions != null &amp;&amp; recoveringRegions.containsKey(encodedName)) {<a name="line.787"></a>
-<span class="sourceLineNo">788</span>        this.recovering = true;<a name="line.788"></a>
-<span class="sourceLineNo">789</span>        recoveringRegions.put(encodedName, this);<a name="line.789"></a>
-<span class="sourceLineNo">790</span>      }<a name="line.790"></a>
-<span class="sourceLineNo">791</span>    } else {<a name="line.791"></a>
-<span class="sourceLineNo">792</span>      this.metricsRegionWrapper = null;<a name="line.792"></a>
-<span class="sourceLineNo">793</span>      this.metricsRegion = null;<a name="line.793"></a>
-<span class="sourceLineNo">794</span>    }<a name="line.794"></a>
-<span class="sourceLineNo">795</span>    if (LOG.isDebugEnabled()) {<a name="line.795"></a>
-<span class="sourceLineNo">796</span>      // Write out region name as string and its encoded name.<a name="line.796"></a>
-<span class="sourceLineNo">797</span>      LOG.debug("Instantiated " + this);<a name="line.797"></a>
-<span class="sourceLineNo">798</span>    }<a name="line.798"></a>
-<span class="sourceLineNo">799</span><a name="line.799"></a>
-<span class="sourceLineNo">800</span>    // by default, we allow writes against a region when it's in recovering<a name="line.800"></a>
-<span class="sourceLineNo">801</span>    this.disallowWritesInRecovering =<a name="line.801"></a>
-<span class="sourceLineNo">802</span>        conf.getBoolean(HConstants.DISALLOW_WRITES_IN_RECOVERING,<a name="line.802"></a>
-<span class="sourceLineNo">803</span>          HConstants.DEFAULT_DISALLOW_WRITES_IN_RECOVERING_CONFIG);<a name="line.803"></a>
-<span class="sourceLineNo">804</span>    configurationManager = Optional.absent();<a name="line.804"></a>
-<span class="sourceLineNo">805</span><a name="line.805"></a>
-<span class="sourceLineNo">806</span>    // disable stats tracking system tables, but check the config for everything else<a name="line.806"></a>
-<span class="sourceLineNo">807</span>    this.regionStatsEnabled = htd.getTableName().getNamespaceAsString().equals(<a name="line.807"></a>
-<span class="sourceLineNo">808</span>        NamespaceDescriptor.SYSTEM_NAMESPACE_NAME_STR) ?<a name="line.808"></a>
-<span class="sourceLineNo">809</span>          false :<a name="line.809"></a>
-<span class="sourceLineNo">810</span>          conf.getBoolean(HConstants.ENABLE_CLIENT_BACKPRESSURE,<a name="line.810"></a>
-<span class="sourceLineNo">811</span>              HConstants.DEFAULT_ENABLE_CLIENT_BACKPRESSURE);<a name="line.811"></a>
-<span class="sourceLineNo">812</span><a name="line.812"></a>
-<span class="sourceLineNo">813</span>    this.maxCellSize = conf.getLong(HBASE_MAX_CELL_SIZE_KEY, DEFAULT_MAX_CELL_SIZE);<a name="line.813"></a>
+<span class="sourceLineNo">636</span>  private final MultiVersionConcurrencyControl mvcc = new MultiVersionConcurrencyControl();<a name="line.636"></a>
+<span class="sourceLineNo">637</span><a name="line.637"></a>
+<span class="sourceLineNo">638</span>  // Coprocessor host<a name="line.638"></a>
+<span class="sourceLineNo">639</span>  private RegionCoprocessorHost coprocessorHost;<a name="line.639"></a>
+<span class="sourceLineNo">640</span><a name="line.640"></a>
+<span class="sourceLineNo">641</span>  private TableDescriptor htableDescriptor = null;<a name="line.641"></a>
+<span class="sourceLineNo">642</span>  private RegionSplitPolicy splitPolicy;<a name="line.642"></a>
+<span class="sourceLineNo">643</span>  private FlushPolicy flushPolicy;<a name="line.643"></a>
+<span class="sourceLineNo">644</span><a name="line.644"></a>
+<span class="sourceLineNo">645</span>  private final MetricsRegion metricsRegion;<a name="line.645"></a>
+<span class="sourceLineNo">646</span>  private final MetricsRegionWrapperImpl metricsRegionWrapper;<a name="line.646"></a>
+<span class="sourceLineNo">647</span>  private final Durability durability;<a name="line.647"></a>
+<span class="sourceLineNo">648</span>  private final boolean regionStatsEnabled;<a name="line.648"></a>
+<span class="sourceLineNo">649</span>  // Stores the replication scope of the various column families of the table<a name="line.649"></a>
+<span class="sourceLineNo">650</span>  // that has non-default scope<a name="line.650"></a>
+<span class="sourceLineNo">651</span>  private final NavigableMap&lt;byte[], Integer&gt; replicationScope = new TreeMap&lt;&gt;(<a name="line.651"></a>
+<span class="sourceLineNo">652</span>      Bytes.BYTES_COMPARATOR);<a name="line.652"></a>
+<span class="sourceLineNo">653</span><a name="line.653"></a>
+<span class="sourceLineNo">654</span>  // whether to unassign region if we hit FNFE<a name="line.654"></a>
+<span class="sourceLineNo">655</span>  private final RegionUnassigner regionUnassigner;<a name="line.655"></a>
+<span class="sourceLineNo">656</span>  /

<TRUNCATED>

Mime
View raw message