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From git-site-r...@apache.org
Subject [10/21] hbase-site git commit: Published site at 82d554e3783372cc6b05489452c815b57c06f6cd.
Date Sun, 25 Jun 2017 15:01:25 GMT
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/6bd22543/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/RSRpcServices.RegionScannersCloseCallBack.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/RSRpcServices.RegionScannersCloseCallBack.html b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/RSRpcServices.RegionScannersCloseCallBack.html
index 04ecf44..513a635 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/RSRpcServices.RegionScannersCloseCallBack.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/RSRpcServices.RegionScannersCloseCallBack.html
@@ -262,1950 +262,1950 @@
 <span class="sourceLineNo">254</span>   */<a name="line.254"></a>
 <span class="sourceLineNo">255</span>  private static final long DEFAULT_REGION_SERVER_RPC_MINIMUM_SCAN_TIME_LIMIT_DELTA = 10;<a name="line.255"></a>
 <span class="sourceLineNo">256</span><a name="line.256"></a>
-<span class="sourceLineNo">257</span>  // Request counter. (Includes requests that are not serviced by regions.)<a name="line.257"></a>
-<span class="sourceLineNo">258</span>  final LongAdder requestCount = new LongAdder();<a name="line.258"></a>
-<span class="sourceLineNo">259</span><a name="line.259"></a>
-<span class="sourceLineNo">260</span>  // Request counter for rpc get<a name="line.260"></a>
-<span class="sourceLineNo">261</span>  final LongAdder rpcGetRequestCount = new LongAdder();<a name="line.261"></a>
-<span class="sourceLineNo">262</span><a name="line.262"></a>
-<span class="sourceLineNo">263</span>  // Request counter for rpc scan<a name="line.263"></a>
-<span class="sourceLineNo">264</span>  final LongAdder rpcScanRequestCount = new LongAdder();<a name="line.264"></a>
+<span class="sourceLineNo">257</span>  /**<a name="line.257"></a>
+<span class="sourceLineNo">258</span>   * Number of rows in a batch operation above which a warning will be logged.<a name="line.258"></a>
+<span class="sourceLineNo">259</span>   */<a name="line.259"></a>
+<span class="sourceLineNo">260</span>  static final String BATCH_ROWS_THRESHOLD_NAME = "hbase.rpc.rows.warning.threshold";<a name="line.260"></a>
+<span class="sourceLineNo">261</span>  /**<a name="line.261"></a>
+<span class="sourceLineNo">262</span>   * Default value of {@link RSRpcServices#BATCH_ROWS_THRESHOLD_NAME}<a name="line.262"></a>
+<span class="sourceLineNo">263</span>   */<a name="line.263"></a>
+<span class="sourceLineNo">264</span>  static final int BATCH_ROWS_THRESHOLD_DEFAULT = 1000;<a name="line.264"></a>
 <span class="sourceLineNo">265</span><a name="line.265"></a>
-<span class="sourceLineNo">266</span>  // Request counter for rpc multi<a name="line.266"></a>
-<span class="sourceLineNo">267</span>  final LongAdder rpcMultiRequestCount = new LongAdder();<a name="line.267"></a>
+<span class="sourceLineNo">266</span>  // Request counter. (Includes requests that are not serviced by regions.)<a name="line.266"></a>
+<span class="sourceLineNo">267</span>  final LongAdder requestCount = new LongAdder();<a name="line.267"></a>
 <span class="sourceLineNo">268</span><a name="line.268"></a>
-<span class="sourceLineNo">269</span>  // Request counter for rpc mutate<a name="line.269"></a>
-<span class="sourceLineNo">270</span>  final LongAdder rpcMutateRequestCount = new LongAdder();<a name="line.270"></a>
+<span class="sourceLineNo">269</span>  // Request counter for rpc get<a name="line.269"></a>
+<span class="sourceLineNo">270</span>  final LongAdder rpcGetRequestCount = new LongAdder();<a name="line.270"></a>
 <span class="sourceLineNo">271</span><a name="line.271"></a>
-<span class="sourceLineNo">272</span>  // Server to handle client requests.<a name="line.272"></a>
-<span class="sourceLineNo">273</span>  final RpcServerInterface rpcServer;<a name="line.273"></a>
-<span class="sourceLineNo">274</span>  final InetSocketAddress isa;<a name="line.274"></a>
-<span class="sourceLineNo">275</span><a name="line.275"></a>
-<span class="sourceLineNo">276</span>  private final HRegionServer regionServer;<a name="line.276"></a>
-<span class="sourceLineNo">277</span>  private final long maxScannerResultSize;<a name="line.277"></a>
-<span class="sourceLineNo">278</span><a name="line.278"></a>
-<span class="sourceLineNo">279</span>  // The reference to the priority extraction function<a name="line.279"></a>
-<span class="sourceLineNo">280</span>  private final PriorityFunction priority;<a name="line.280"></a>
-<span class="sourceLineNo">281</span><a name="line.281"></a>
-<span class="sourceLineNo">282</span>  private ScannerIdGenerator scannerIdGenerator;<a name="line.282"></a>
-<span class="sourceLineNo">283</span>  private final ConcurrentMap&lt;String, RegionScannerHolder&gt; scanners = new ConcurrentHashMap&lt;&gt;();<a name="line.283"></a>
-<span class="sourceLineNo">284</span>  // Hold the name of a closed scanner for a while. This is used to keep compatible for old clients<a name="line.284"></a>
-<span class="sourceLineNo">285</span>  // which may send next or close request to a region scanner which has already been exhausted. The<a name="line.285"></a>
-<span class="sourceLineNo">286</span>  // entries will be removed automatically after scannerLeaseTimeoutPeriod.<a name="line.286"></a>
-<span class="sourceLineNo">287</span>  private final Cache&lt;String, String&gt; closedScanners;<a name="line.287"></a>
-<span class="sourceLineNo">288</span>  /**<a name="line.288"></a>
-<span class="sourceLineNo">289</span>   * The lease timeout period for client scanners (milliseconds).<a name="line.289"></a>
-<span class="sourceLineNo">290</span>   */<a name="line.290"></a>
-<span class="sourceLineNo">291</span>  private final int scannerLeaseTimeoutPeriod;<a name="line.291"></a>
-<span class="sourceLineNo">292</span><a name="line.292"></a>
-<span class="sourceLineNo">293</span>  /**<a name="line.293"></a>
-<span class="sourceLineNo">294</span>   * The RPC timeout period (milliseconds)<a name="line.294"></a>
-<span class="sourceLineNo">295</span>   */<a name="line.295"></a>
-<span class="sourceLineNo">296</span>  private final int rpcTimeout;<a name="line.296"></a>
-<span class="sourceLineNo">297</span><a name="line.297"></a>
-<span class="sourceLineNo">298</span>  /**<a name="line.298"></a>
-<span class="sourceLineNo">299</span>   * The minimum allowable delta to use for the scan limit<a name="line.299"></a>
-<span class="sourceLineNo">300</span>   */<a name="line.300"></a>
-<span class="sourceLineNo">301</span>  private final long minimumScanTimeLimitDelta;<a name="line.301"></a>
-<span class="sourceLineNo">302</span><a name="line.302"></a>
-<span class="sourceLineNo">303</span>  final AtomicBoolean clearCompactionQueues = new AtomicBoolean(false);<a name="line.303"></a>
-<span class="sourceLineNo">304</span><a name="line.304"></a>
-<span class="sourceLineNo">305</span>  /**<a name="line.305"></a>
-<span class="sourceLineNo">306</span>   * An Rpc callback for closing a RegionScanner.<a name="line.306"></a>
-<span class="sourceLineNo">307</span>   */<a name="line.307"></a>
-<span class="sourceLineNo">308</span>  private static final class RegionScannerCloseCallBack implements RpcCallback {<a name="line.308"></a>
-<span class="sourceLineNo">309</span><a name="line.309"></a>
-<span class="sourceLineNo">310</span>    private final RegionScanner scanner;<a name="line.310"></a>
+<span class="sourceLineNo">272</span>  // Request counter for rpc scan<a name="line.272"></a>
+<span class="sourceLineNo">273</span>  final LongAdder rpcScanRequestCount = new LongAdder();<a name="line.273"></a>
+<span class="sourceLineNo">274</span><a name="line.274"></a>
+<span class="sourceLineNo">275</span>  // Request counter for rpc multi<a name="line.275"></a>
+<span class="sourceLineNo">276</span>  final LongAdder rpcMultiRequestCount = new LongAdder();<a name="line.276"></a>
+<span class="sourceLineNo">277</span><a name="line.277"></a>
+<span class="sourceLineNo">278</span>  // Request counter for rpc mutate<a name="line.278"></a>
+<span class="sourceLineNo">279</span>  final LongAdder rpcMutateRequestCount = new LongAdder();<a name="line.279"></a>
+<span class="sourceLineNo">280</span><a name="line.280"></a>
+<span class="sourceLineNo">281</span>  // Server to handle client requests.<a name="line.281"></a>
+<span class="sourceLineNo">282</span>  final RpcServerInterface rpcServer;<a name="line.282"></a>
+<span class="sourceLineNo">283</span>  final InetSocketAddress isa;<a name="line.283"></a>
+<span class="sourceLineNo">284</span><a name="line.284"></a>
+<span class="sourceLineNo">285</span>  private final HRegionServer regionServer;<a name="line.285"></a>
+<span class="sourceLineNo">286</span>  private final long maxScannerResultSize;<a name="line.286"></a>
+<span class="sourceLineNo">287</span><a name="line.287"></a>
+<span class="sourceLineNo">288</span>  // The reference to the priority extraction function<a name="line.288"></a>
+<span class="sourceLineNo">289</span>  private final PriorityFunction priority;<a name="line.289"></a>
+<span class="sourceLineNo">290</span><a name="line.290"></a>
+<span class="sourceLineNo">291</span>  private ScannerIdGenerator scannerIdGenerator;<a name="line.291"></a>
+<span class="sourceLineNo">292</span>  private final ConcurrentMap&lt;String, RegionScannerHolder&gt; scanners = new ConcurrentHashMap&lt;&gt;();<a name="line.292"></a>
+<span class="sourceLineNo">293</span>  // Hold the name of a closed scanner for a while. This is used to keep compatible for old clients<a name="line.293"></a>
+<span class="sourceLineNo">294</span>  // which may send next or close request to a region scanner which has already been exhausted. The<a name="line.294"></a>
+<span class="sourceLineNo">295</span>  // entries will be removed automatically after scannerLeaseTimeoutPeriod.<a name="line.295"></a>
+<span class="sourceLineNo">296</span>  private final Cache&lt;String, String&gt; closedScanners;<a name="line.296"></a>
+<span class="sourceLineNo">297</span>  /**<a name="line.297"></a>
+<span class="sourceLineNo">298</span>   * The lease timeout period for client scanners (milliseconds).<a name="line.298"></a>
+<span class="sourceLineNo">299</span>   */<a name="line.299"></a>
+<span class="sourceLineNo">300</span>  private final int scannerLeaseTimeoutPeriod;<a name="line.300"></a>
+<span class="sourceLineNo">301</span><a name="line.301"></a>
+<span class="sourceLineNo">302</span>  /**<a name="line.302"></a>
+<span class="sourceLineNo">303</span>   * The RPC timeout period (milliseconds)<a name="line.303"></a>
+<span class="sourceLineNo">304</span>   */<a name="line.304"></a>
+<span class="sourceLineNo">305</span>  private final int rpcTimeout;<a name="line.305"></a>
+<span class="sourceLineNo">306</span><a name="line.306"></a>
+<span class="sourceLineNo">307</span>  /**<a name="line.307"></a>
+<span class="sourceLineNo">308</span>   * The minimum allowable delta to use for the scan limit<a name="line.308"></a>
+<span class="sourceLineNo">309</span>   */<a name="line.309"></a>
+<span class="sourceLineNo">310</span>  private final long minimumScanTimeLimitDelta;<a name="line.310"></a>
 <span class="sourceLineNo">311</span><a name="line.311"></a>
-<span class="sourceLineNo">312</span>    public RegionScannerCloseCallBack(RegionScanner scanner) {<a name="line.312"></a>
-<span class="sourceLineNo">313</span>      this.scanner = scanner;<a name="line.313"></a>
-<span class="sourceLineNo">314</span>    }<a name="line.314"></a>
-<span class="sourceLineNo">315</span><a name="line.315"></a>
-<span class="sourceLineNo">316</span>    @Override<a name="line.316"></a>
-<span class="sourceLineNo">317</span>    public void run() throws IOException {<a name="line.317"></a>
-<span class="sourceLineNo">318</span>      this.scanner.close();<a name="line.318"></a>
-<span class="sourceLineNo">319</span>    }<a name="line.319"></a>
-<span class="sourceLineNo">320</span>  }<a name="line.320"></a>
-<span class="sourceLineNo">321</span><a name="line.321"></a>
-<span class="sourceLineNo">322</span>  /**<a name="line.322"></a>
-<span class="sourceLineNo">323</span>   * An Rpc callback for doing shipped() call on a RegionScanner.<a name="line.323"></a>
-<span class="sourceLineNo">324</span>   */<a name="line.324"></a>
-<span class="sourceLineNo">325</span>  private class RegionScannerShippedCallBack implements RpcCallback {<a name="line.325"></a>
-<span class="sourceLineNo">326</span><a name="line.326"></a>
-<span class="sourceLineNo">327</span>    private final String scannerName;<a name="line.327"></a>
-<span class="sourceLineNo">328</span>    private final RegionScanner scanner;<a name="line.328"></a>
-<span class="sourceLineNo">329</span>    private final Lease lease;<a name="line.329"></a>
-<span class="sourceLineNo">330</span><a name="line.330"></a>
-<span class="sourceLineNo">331</span>    public RegionScannerShippedCallBack(String scannerName, RegionScanner scanner, Lease lease) {<a name="line.331"></a>
-<span class="sourceLineNo">332</span>      this.scannerName = scannerName;<a name="line.332"></a>
-<span class="sourceLineNo">333</span>      this.scanner = scanner;<a name="line.333"></a>
-<span class="sourceLineNo">334</span>      this.lease = lease;<a name="line.334"></a>
-<span class="sourceLineNo">335</span>    }<a name="line.335"></a>
-<span class="sourceLineNo">336</span><a name="line.336"></a>
-<span class="sourceLineNo">337</span>    @Override<a name="line.337"></a>
-<span class="sourceLineNo">338</span>    public void run() throws IOException {<a name="line.338"></a>
-<span class="sourceLineNo">339</span>      this.scanner.shipped();<a name="line.339"></a>
-<span class="sourceLineNo">340</span>      // We're done. On way out re-add the above removed lease. The lease was temp removed for this<a name="line.340"></a>
-<span class="sourceLineNo">341</span>      // Rpc call and we are at end of the call now. Time to add it back.<a name="line.341"></a>
-<span class="sourceLineNo">342</span>      if (scanners.containsKey(scannerName)) {<a name="line.342"></a>
-<span class="sourceLineNo">343</span>        if (lease != null) regionServer.leases.addLease(lease);<a name="line.343"></a>
-<span class="sourceLineNo">344</span>      }<a name="line.344"></a>
-<span class="sourceLineNo">345</span>    }<a name="line.345"></a>
-<span class="sourceLineNo">346</span>  }<a name="line.346"></a>
-<span class="sourceLineNo">347</span><a name="line.347"></a>
-<span class="sourceLineNo">348</span>  /**<a name="line.348"></a>
-<span class="sourceLineNo">349</span>   * An RpcCallBack that creates a list of scanners that needs to perform callBack operation on<a name="line.349"></a>
-<span class="sourceLineNo">350</span>   * completion of multiGets.<a name="line.350"></a>
-<span class="sourceLineNo">351</span>   */<a name="line.351"></a>
-<span class="sourceLineNo">352</span>   static class RegionScannersCloseCallBack implements RpcCallback {<a name="line.352"></a>
-<span class="sourceLineNo">353</span>    private final List&lt;RegionScanner&gt; scanners = new ArrayList&lt;&gt;();<a name="line.353"></a>
-<span class="sourceLineNo">354</span><a name="line.354"></a>
-<span class="sourceLineNo">355</span>    public void addScanner(RegionScanner scanner) {<a name="line.355"></a>
-<span class="sourceLineNo">356</span>      this.scanners.add(scanner);<a name="line.356"></a>
-<span class="sourceLineNo">357</span>    }<a name="line.357"></a>
-<span class="sourceLineNo">358</span><a name="line.358"></a>
-<span class="sourceLineNo">359</span>    @Override<a name="line.359"></a>
-<span class="sourceLineNo">360</span>    public void run() {<a name="line.360"></a>
-<span class="sourceLineNo">361</span>      for (RegionScanner scanner : scanners) {<a name="line.361"></a>
-<span class="sourceLineNo">362</span>        try {<a name="line.362"></a>
-<span class="sourceLineNo">363</span>          scanner.close();<a name="line.363"></a>
-<span class="sourceLineNo">364</span>        } catch (IOException e) {<a name="line.364"></a>
-<span class="sourceLineNo">365</span>          LOG.error("Exception while closing the scanner " + scanner, e);<a name="line.365"></a>
-<span class="sourceLineNo">366</span>        }<a name="line.366"></a>
-<span class="sourceLineNo">367</span>      }<a name="line.367"></a>
-<span class="sourceLineNo">368</span>    }<a name="line.368"></a>
-<span class="sourceLineNo">369</span>  }<a name="line.369"></a>
-<span class="sourceLineNo">370</span><a name="line.370"></a>
-<span class="sourceLineNo">371</span>  /**<a name="line.371"></a>
-<span class="sourceLineNo">372</span>   * Holder class which holds the RegionScanner, nextCallSeq and RpcCallbacks together.<a name="line.372"></a>
-<span class="sourceLineNo">373</span>   */<a name="line.373"></a>
-<span class="sourceLineNo">374</span>  private static final class RegionScannerHolder {<a name="line.374"></a>
-<span class="sourceLineNo">375</span><a name="line.375"></a>
-<span class="sourceLineNo">376</span>    private final AtomicLong nextCallSeq = new AtomicLong(0);<a name="line.376"></a>
-<span class="sourceLineNo">377</span>    private final String scannerName;<a name="line.377"></a>
-<span class="sourceLineNo">378</span>    private final RegionScanner s;<a name="line.378"></a>
-<span class="sourceLineNo">379</span>    private final Region r;<a name="line.379"></a>
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-<span class="sourceLineNo">382</span>    private byte[] rowOfLastPartialResult;<a name="line.382"></a>
-<span class="sourceLineNo">383</span>    private boolean needCursor;<a name="line.383"></a>
+<span class="sourceLineNo">312</span>  /**<a name="line.312"></a>
+<span class="sourceLineNo">313</span>   * Row size threshold for multi requests above which a warning is logged<a name="line.313"></a>
+<span class="sourceLineNo">314</span>   */<a name="line.314"></a>
+<span class="sourceLineNo">315</span>  private final int rowSizeWarnThreshold;<a name="line.315"></a>
+<span class="sourceLineNo">316</span><a name="line.316"></a>
+<span class="sourceLineNo">317</span>  final AtomicBoolean clearCompactionQueues = new AtomicBoolean(false);<a name="line.317"></a>
+<span class="sourceLineNo">318</span><a name="line.318"></a>
+<span class="sourceLineNo">319</span>  /**<a name="line.319"></a>
+<span class="sourceLineNo">320</span>   * An Rpc callback for closing a RegionScanner.<a name="line.320"></a>
+<span class="sourceLineNo">321</span>   */<a name="line.321"></a>
+<span class="sourceLineNo">322</span>  private static final class RegionScannerCloseCallBack implements RpcCallback {<a name="line.322"></a>
+<span class="sourceLineNo">323</span><a name="line.323"></a>
+<span class="sourceLineNo">324</span>    private final RegionScanner scanner;<a name="line.324"></a>
+<span class="sourceLineNo">325</span><a name="line.325"></a>
+<span class="sourceLineNo">326</span>    public RegionScannerCloseCallBack(RegionScanner scanner) {<a name="line.326"></a>
+<span class="sourceLineNo">327</span>      this.scanner = scanner;<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>    @Override<a name="line.330"></a>
+<span class="sourceLineNo">331</span>    public void run() throws IOException {<a name="line.331"></a>
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+<span class="sourceLineNo">333</span>    }<a name="line.333"></a>
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+<span class="sourceLineNo">335</span><a name="line.335"></a>
+<span class="sourceLineNo">336</span>  /**<a name="line.336"></a>
+<span class="sourceLineNo">337</span>   * An Rpc callback for doing shipped() call on a RegionScanner.<a name="line.337"></a>
+<span class="sourceLineNo">338</span>   */<a name="line.338"></a>
+<span class="sourceLineNo">339</span>  private class RegionScannerShippedCallBack implements RpcCallback {<a name="line.339"></a>
+<span class="sourceLineNo">340</span><a name="line.340"></a>
+<span class="sourceLineNo">341</span>    private final String scannerName;<a name="line.341"></a>
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+<span class="sourceLineNo">344</span><a name="line.344"></a>
+<span class="sourceLineNo">345</span>    public RegionScannerShippedCallBack(String scannerName, RegionScanner scanner, Lease lease) {<a name="line.345"></a>
+<span class="sourceLineNo">346</span>      this.scannerName = scannerName;<a name="line.346"></a>
+<span class="sourceLineNo">347</span>      this.scanner = scanner;<a name="line.347"></a>
+<span class="sourceLineNo">348</span>      this.lease = lease;<a name="line.348"></a>
+<span class="sourceLineNo">349</span>    }<a name="line.349"></a>
+<span class="sourceLineNo">350</span><a name="line.350"></a>
+<span class="sourceLineNo">351</span>    @Override<a name="line.351"></a>
+<span class="sourceLineNo">352</span>    public void run() throws IOException {<a name="line.352"></a>
+<span class="sourceLineNo">353</span>      this.scanner.shipped();<a name="line.353"></a>
+<span class="sourceLineNo">354</span>      // We're done. On way out re-add the above removed lease. The lease was temp removed for this<a name="line.354"></a>
+<span class="sourceLineNo">355</span>      // Rpc call and we are at end of the call now. Time to add it back.<a name="line.355"></a>
+<span class="sourceLineNo">356</span>      if (scanners.containsKey(scannerName)) {<a name="line.356"></a>
+<span class="sourceLineNo">357</span>        if (lease != null) regionServer.leases.addLease(lease);<a name="line.357"></a>
+<span class="sourceLineNo">358</span>      }<a name="line.358"></a>
+<span class="sourceLineNo">359</span>    }<a name="line.359"></a>
+<span class="sourceLineNo">360</span>  }<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>   * An RpcCallBack that creates a list of scanners that needs to perform callBack operation on<a name="line.363"></a>
+<span class="sourceLineNo">364</span>   * completion of multiGets.<a name="line.364"></a>
+<span class="sourceLineNo">365</span>   */<a name="line.365"></a>
+<span class="sourceLineNo">366</span>   static class RegionScannersCloseCallBack implements RpcCallback {<a name="line.366"></a>
+<span class="sourceLineNo">367</span>    private final List&lt;RegionScanner&gt; scanners = new ArrayList&lt;&gt;();<a name="line.367"></a>
+<span class="sourceLineNo">368</span><a name="line.368"></a>
+<span class="sourceLineNo">369</span>    public void addScanner(RegionScanner scanner) {<a name="line.369"></a>
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<TRUNCATED>

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