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From git-site-r...@apache.org
Subject [14/49] hbase-site git commit: Published site at 82d554e3783372cc6b05489452c815b57c06f6cd.
Date Fri, 16 Jun 2017 15:00:40 GMT
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/cd7ae54c/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/StoreScanner.StoreScannerCompactionRace.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/StoreScanner.StoreScannerCompactionRace.html b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/StoreScanner.StoreScannerCompactionRace.html
index eda63e0..b2b7ff9 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/StoreScanner.StoreScannerCompactionRace.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/StoreScanner.StoreScannerCompactionRace.html
@@ -176,7 +176,7 @@
 <span class="sourceLineNo">168</span><a name="line.168"></a>
 <span class="sourceLineNo">169</span>  /** An internal constructor. */<a name="line.169"></a>
 <span class="sourceLineNo">170</span>  protected StoreScanner(Store store, Scan scan, final ScanInfo scanInfo,<a name="line.170"></a>
-<span class="sourceLineNo">171</span>      final NavigableSet&lt;byte[]&gt; columns, long readPt, boolean cacheBlocks) {<a name="line.171"></a>
+<span class="sourceLineNo">171</span>      final NavigableSet&lt;byte[]&gt; columns, long readPt, boolean cacheBlocks, ScanType scanType) {<a name="line.171"></a>
 <span class="sourceLineNo">172</span>    this.readPt = readPt;<a name="line.172"></a>
 <span class="sourceLineNo">173</span>    this.store = store;<a name="line.173"></a>
 <span class="sourceLineNo">174</span>    this.cacheBlocks = cacheBlocks;<a name="line.174"></a>
@@ -198,952 +198,961 @@
 <span class="sourceLineNo">190</span>    if (get) {<a name="line.190"></a>
 <span class="sourceLineNo">191</span>      this.readType = Scan.ReadType.PREAD;<a name="line.191"></a>
 <span class="sourceLineNo">192</span>      this.scanUsePread = true;<a name="line.192"></a>
-<span class="sourceLineNo">193</span>    } else {<a name="line.193"></a>
-<span class="sourceLineNo">194</span>      if (scan.getReadType() == Scan.ReadType.DEFAULT) {<a name="line.194"></a>
-<span class="sourceLineNo">195</span>        this.readType = scanInfo.isUsePread() ? Scan.ReadType.PREAD : Scan.ReadType.DEFAULT;<a name="line.195"></a>
-<span class="sourceLineNo">196</span>      } else {<a name="line.196"></a>
-<span class="sourceLineNo">197</span>        this.readType = scan.getReadType();<a name="line.197"></a>
-<span class="sourceLineNo">198</span>      }<a name="line.198"></a>
-<span class="sourceLineNo">199</span>      // Always start with pread unless user specific stream. Will change to stream later if<a name="line.199"></a>
-<span class="sourceLineNo">200</span>      // readType is default if the scan keeps running for a long time.<a name="line.200"></a>
-<span class="sourceLineNo">201</span>      this.scanUsePread = this.readType != Scan.ReadType.STREAM;<a name="line.201"></a>
-<span class="sourceLineNo">202</span>    }<a name="line.202"></a>
-<span class="sourceLineNo">203</span>    this.preadMaxBytes = scanInfo.getPreadMaxBytes();<a name="line.203"></a>
-<span class="sourceLineNo">204</span>    this.cellsPerHeartbeatCheck = scanInfo.getCellsPerTimeoutCheck();<a name="line.204"></a>
-<span class="sourceLineNo">205</span>    // Parallel seeking is on if the config allows and more there is more than one store file.<a name="line.205"></a>
-<span class="sourceLineNo">206</span>    if (this.store != null &amp;&amp; this.store.getStorefilesCount() &gt; 1) {<a name="line.206"></a>
-<span class="sourceLineNo">207</span>      RegionServerServices rsService = ((HStore) store).getHRegion().getRegionServerServices();<a name="line.207"></a>
-<span class="sourceLineNo">208</span>      if (rsService != null &amp;&amp; scanInfo.isParallelSeekEnabled()) {<a name="line.208"></a>
-<span class="sourceLineNo">209</span>        this.parallelSeekEnabled = true;<a name="line.209"></a>
-<span class="sourceLineNo">210</span>        this.executor = rsService.getExecutorService();<a name="line.210"></a>
-<span class="sourceLineNo">211</span>      }<a name="line.211"></a>
-<span class="sourceLineNo">212</span>    }<a name="line.212"></a>
-<span class="sourceLineNo">213</span>  }<a name="line.213"></a>
-<span class="sourceLineNo">214</span><a name="line.214"></a>
-<span class="sourceLineNo">215</span>  private void addCurrentScanners(List&lt;? extends KeyValueScanner&gt; scanners) {<a name="line.215"></a>
-<span class="sourceLineNo">216</span>    this.currentScanners.addAll(scanners);<a name="line.216"></a>
-<span class="sourceLineNo">217</span>  }<a name="line.217"></a>
-<span class="sourceLineNo">218</span><a name="line.218"></a>
-<span class="sourceLineNo">219</span>  /**<a name="line.219"></a>
-<span class="sourceLineNo">220</span>   * Opens a scanner across memstore, snapshot, and all StoreFiles. Assumes we<a name="line.220"></a>
-<span class="sourceLineNo">221</span>   * are not in a compaction.<a name="line.221"></a>
-<span class="sourceLineNo">222</span>   *<a name="line.222"></a>
-<span class="sourceLineNo">223</span>   * @param store who we scan<a name="line.223"></a>
-<span class="sourceLineNo">224</span>   * @param scan the spec<a name="line.224"></a>
-<span class="sourceLineNo">225</span>   * @param columns which columns we are scanning<a name="line.225"></a>
-<span class="sourceLineNo">226</span>   * @throws IOException<a name="line.226"></a>
-<span class="sourceLineNo">227</span>   */<a name="line.227"></a>
-<span class="sourceLineNo">228</span>  public StoreScanner(Store store, ScanInfo scanInfo, Scan scan, final NavigableSet&lt;byte[]&gt; columns,<a name="line.228"></a>
-<span class="sourceLineNo">229</span>      long readPt)<a name="line.229"></a>
-<span class="sourceLineNo">230</span>  throws IOException {<a name="line.230"></a>
-<span class="sourceLineNo">231</span>    this(store, scan, scanInfo, columns, readPt, scan.getCacheBlocks());<a name="line.231"></a>
-<span class="sourceLineNo">232</span>    if (columns != null &amp;&amp; scan.isRaw()) {<a name="line.232"></a>
-<span class="sourceLineNo">233</span>      throw new DoNotRetryIOException("Cannot specify any column for a raw scan");<a name="line.233"></a>
-<span class="sourceLineNo">234</span>    }<a name="line.234"></a>
-<span class="sourceLineNo">235</span>    matcher = UserScanQueryMatcher.create(scan, scanInfo, columns, oldestUnexpiredTS, now,<a name="line.235"></a>
-<span class="sourceLineNo">236</span>      store.getCoprocessorHost());<a name="line.236"></a>
-<span class="sourceLineNo">237</span><a name="line.237"></a>
-<span class="sourceLineNo">238</span>    this.store.addChangedReaderObserver(this);<a name="line.238"></a>
-<span class="sourceLineNo">239</span><a name="line.239"></a>
-<span class="sourceLineNo">240</span>    try {<a name="line.240"></a>
-<span class="sourceLineNo">241</span>      // Pass columns to try to filter out unnecessary StoreFiles.<a name="line.241"></a>
-<span class="sourceLineNo">242</span>      List&lt;KeyValueScanner&gt; scanners = getScannersNoCompaction();<a name="line.242"></a>
-<span class="sourceLineNo">243</span><a name="line.243"></a>
-<span class="sourceLineNo">244</span>      // Seek all scanners to the start of the Row (or if the exact matching row<a name="line.244"></a>
-<span class="sourceLineNo">245</span>      // key does not exist, then to the start of the next matching Row).<a name="line.245"></a>
-<span class="sourceLineNo">246</span>      // Always check bloom filter to optimize the top row seek for delete<a name="line.246"></a>
-<span class="sourceLineNo">247</span>      // family marker.<a name="line.247"></a>
-<span class="sourceLineNo">248</span>      seekScanners(scanners, matcher.getStartKey(), explicitColumnQuery &amp;&amp; lazySeekEnabledGlobally,<a name="line.248"></a>
-<span class="sourceLineNo">249</span>        parallelSeekEnabled);<a name="line.249"></a>
-<span class="sourceLineNo">250</span><a name="line.250"></a>
-<span class="sourceLineNo">251</span>      // set storeLimit<a name="line.251"></a>
-<span class="sourceLineNo">252</span>      this.storeLimit = scan.getMaxResultsPerColumnFamily();<a name="line.252"></a>
-<span class="sourceLineNo">253</span><a name="line.253"></a>
-<span class="sourceLineNo">254</span>      // set rowOffset<a name="line.254"></a>
-<span class="sourceLineNo">255</span>      this.storeOffset = scan.getRowOffsetPerColumnFamily();<a name="line.255"></a>
-<span class="sourceLineNo">256</span>      addCurrentScanners(scanners);<a name="line.256"></a>
-<span class="sourceLineNo">257</span>      // Combine all seeked scanners with a heap<a name="line.257"></a>
-<span class="sourceLineNo">258</span>      resetKVHeap(scanners, store.getComparator());<a name="line.258"></a>
-<span class="sourceLineNo">259</span>    } catch (IOException e) {<a name="line.259"></a>
-<span class="sourceLineNo">260</span>      // remove us from the HStore#changedReaderObservers here or we'll have no chance to<a name="line.260"></a>
-<span class="sourceLineNo">261</span>      // and might cause memory leak<a name="line.261"></a>
-<span class="sourceLineNo">262</span>      this.store.deleteChangedReaderObserver(this);<a name="line.262"></a>
-<span class="sourceLineNo">263</span>      throw e;<a name="line.263"></a>
-<span class="sourceLineNo">264</span>    }<a name="line.264"></a>
-<span class="sourceLineNo">265</span>  }<a name="line.265"></a>
-<span class="sourceLineNo">266</span><a name="line.266"></a>
-<span class="sourceLineNo">267</span>  /**<a name="line.267"></a>
-<span class="sourceLineNo">268</span>   * Used for compactions.&lt;p&gt;<a name="line.268"></a>
-<span class="sourceLineNo">269</span>   *<a name="line.269"></a>
-<span class="sourceLineNo">270</span>   * Opens a scanner across specified StoreFiles.<a name="line.270"></a>
-<span class="sourceLineNo">271</span>   * @param store who we scan<a name="line.271"></a>
-<span class="sourceLineNo">272</span>   * @param scan the spec<a name="line.272"></a>
-<span class="sourceLineNo">273</span>   * @param scanners ancillary scanners<a name="line.273"></a>
-<span class="sourceLineNo">274</span>   * @param smallestReadPoint the readPoint that we should use for tracking<a name="line.274"></a>
-<span class="sourceLineNo">275</span>   *          versions<a name="line.275"></a>
-<span class="sourceLineNo">276</span>   */<a name="line.276"></a>
-<span class="sourceLineNo">277</span>  public StoreScanner(Store store, ScanInfo scanInfo, Scan scan,<a name="line.277"></a>
-<span class="sourceLineNo">278</span>      List&lt;? extends KeyValueScanner&gt; scanners, ScanType scanType,<a name="line.278"></a>
-<span class="sourceLineNo">279</span>      long smallestReadPoint, long earliestPutTs) throws IOException {<a name="line.279"></a>
-<span class="sourceLineNo">280</span>    this(store, scanInfo, scan, scanners, scanType, smallestReadPoint, earliestPutTs, null, null);<a name="line.280"></a>
-<span class="sourceLineNo">281</span>  }<a name="line.281"></a>
-<span class="sourceLineNo">282</span><a name="line.282"></a>
-<span class="sourceLineNo">283</span>  /**<a name="line.283"></a>
-<span class="sourceLineNo">284</span>   * Used for compactions that drop deletes from a limited range of rows.&lt;p&gt;<a name="line.284"></a>
-<span class="sourceLineNo">285</span>   *<a name="line.285"></a>
-<span class="sourceLineNo">286</span>   * Opens a scanner across specified StoreFiles.<a name="line.286"></a>
-<span class="sourceLineNo">287</span>   * @param store who we scan<a name="line.287"></a>
-<span class="sourceLineNo">288</span>   * @param scan the spec<a name="line.288"></a>
-<span class="sourceLineNo">289</span>   * @param scanners ancillary scanners<a name="line.289"></a>
-<span class="sourceLineNo">290</span>   * @param smallestReadPoint the readPoint that we should use for tracking versions<a name="line.290"></a>
-<span class="sourceLineNo">291</span>   * @param dropDeletesFromRow The inclusive left bound of the range; can be EMPTY_START_ROW.<a name="line.291"></a>
-<span class="sourceLineNo">292</span>   * @param dropDeletesToRow The exclusive right bound of the range; can be EMPTY_END_ROW.<a name="line.292"></a>
-<span class="sourceLineNo">293</span>   */<a name="line.293"></a>
-<span class="sourceLineNo">294</span>  public StoreScanner(Store store, ScanInfo scanInfo, Scan scan,<a name="line.294"></a>
-<span class="sourceLineNo">295</span>      List&lt;? extends KeyValueScanner&gt; scanners, long smallestReadPoint, long earliestPutTs,<a name="line.295"></a>
-<span class="sourceLineNo">296</span>      byte[] dropDeletesFromRow, byte[] dropDeletesToRow) throws IOException {<a name="line.296"></a>
-<span class="sourceLineNo">297</span>    this(store, scanInfo, scan, scanners, ScanType.COMPACT_RETAIN_DELETES, smallestReadPoint,<a name="line.297"></a>
-<span class="sourceLineNo">298</span>        earliestPutTs, dropDeletesFromRow, dropDeletesToRow);<a name="line.298"></a>
-<span class="sourceLineNo">299</span>  }<a name="line.299"></a>
-<span class="sourceLineNo">300</span><a name="line.300"></a>
-<span class="sourceLineNo">301</span>  private StoreScanner(Store store, ScanInfo scanInfo, Scan scan,<a name="line.301"></a>
-<span class="sourceLineNo">302</span>      List&lt;? extends KeyValueScanner&gt; scanners, ScanType scanType, long smallestReadPoint,<a name="line.302"></a>
-<span class="sourceLineNo">303</span>      long earliestPutTs, byte[] dropDeletesFromRow, byte[] dropDeletesToRow) throws IOException {<a name="line.303"></a>
-<span class="sourceLineNo">304</span>    this(store, scan, scanInfo, null,<a name="line.304"></a>
-<span class="sourceLineNo">305</span>        ((HStore) store).getHRegion().getReadPoint(IsolationLevel.READ_COMMITTED), false);<a name="line.305"></a>
-<span class="sourceLineNo">306</span>    if (scan.hasFilter() || (scan.getStartRow() != null &amp;&amp; scan.getStartRow().length &gt; 0)<a name="line.306"></a>
-<span class="sourceLineNo">307</span>        || (scan.getStopRow() != null &amp;&amp; scan.getStopRow().length &gt; 0)<a name="line.307"></a>
-<span class="sourceLineNo">308</span>        || !scan.getTimeRange().isAllTime()) {<a name="line.308"></a>
-<span class="sourceLineNo">309</span>      // use legacy query matcher since we do not consider the scan object in our code. Only used to<a name="line.309"></a>
-<span class="sourceLineNo">310</span>      // keep compatibility for coprocessor.<a name="line.310"></a>
-<span class="sourceLineNo">311</span>      matcher = LegacyScanQueryMatcher.create(scan, scanInfo, null, scanType, smallestReadPoint,<a name="line.311"></a>
-<span class="sourceLineNo">312</span>        earliestPutTs, oldestUnexpiredTS, now, dropDeletesFromRow, dropDeletesToRow,<a name="line.312"></a>
-<span class="sourceLineNo">313</span>        store.getCoprocessorHost());<a name="line.313"></a>
-<span class="sourceLineNo">314</span>    } else {<a name="line.314"></a>
-<span class="sourceLineNo">315</span>      matcher = CompactionScanQueryMatcher.create(scanInfo, scanType, smallestReadPoint,<a name="line.315"></a>
-<span class="sourceLineNo">316</span>        earliestPutTs, oldestUnexpiredTS, now, dropDeletesFromRow, dropDeletesToRow,<a name="line.316"></a>
-<span class="sourceLineNo">317</span>        store.getCoprocessorHost());<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>    // Filter the list of scanners using Bloom filters, time range, TTL, etc.<a name="line.320"></a>
-<span class="sourceLineNo">321</span>    scanners = selectScannersFrom(scanners);<a name="line.321"></a>
-<span class="sourceLineNo">322</span><a name="line.322"></a>
-<span class="sourceLineNo">323</span>    // Seek all scanners to the initial key<a name="line.323"></a>
-<span class="sourceLineNo">324</span>    seekScanners(scanners, matcher.getStartKey(), false, parallelSeekEnabled);<a name="line.324"></a>
-<span class="sourceLineNo">325</span>    addCurrentScanners(scanners);<a name="line.325"></a>
-<span class="sourceLineNo">326</span>    // Combine all seeked scanners with a heap<a name="line.326"></a>
-<span class="sourceLineNo">327</span>    resetKVHeap(scanners, store.getComparator());<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>  @VisibleForTesting<a name="line.330"></a>
-<span class="sourceLineNo">331</span>  StoreScanner(final Scan scan, ScanInfo scanInfo,<a name="line.331"></a>
-<span class="sourceLineNo">332</span>      ScanType scanType, final NavigableSet&lt;byte[]&gt; columns,<a name="line.332"></a>
-<span class="sourceLineNo">333</span>      final List&lt;? extends KeyValueScanner&gt; scanners) throws IOException {<a name="line.333"></a>
-<span class="sourceLineNo">334</span>    this(scan, scanInfo, scanType, columns, scanners,<a name="line.334"></a>
-<span class="sourceLineNo">335</span>        HConstants.LATEST_TIMESTAMP,<a name="line.335"></a>
-<span class="sourceLineNo">336</span>        // 0 is passed as readpoint because the test bypasses Store<a name="line.336"></a>
-<span class="sourceLineNo">337</span>        0);<a name="line.337"></a>
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-<span class="sourceLineNo">344</span>        throws IOException {<a name="line.344"></a>
-<span class="sourceLineNo">345</span>    this(scan, scanInfo, scanType, columns, scanners, earliestPutTs,<a name="line.345"></a>
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-<span class="sourceLineNo">347</span>      0);<a name="line.347"></a>
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-<span class="sourceLineNo">354</span>        scanType == ScanType.USER_SCAN ? scan.getCacheBlocks() : false);<a name="line.354"></a>
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-<span class="sourceLineNo">357</span>        null);<a name="line.357"></a>
-<span class="sourceLineNo">358</span>    } else {<a name="line.358"></a>
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-<span class="sourceLineNo">360</span>          || (scan.getStopRow() != null &amp;&amp; scan.getStopRow().length &gt; 0)<a name="line.360"></a>
-<span class="sourceLineNo">361</span>          || !scan.getTimeRange().isAllTime() || columns != null) {<a name="line.361"></a>
-<span class="sourceLineNo">362</span>        // use legacy query matcher since we do not consider the scan object in our code. Only used<a name="line.362"></a>
-<span class="sourceLineNo">363</span>        // to keep compatibility for coprocessor.<a name="line.363"></a>
-<span class="sourceLineNo">364</span>        matcher = LegacyScanQueryMatcher.create(scan, scanInfo, columns, scanType, Long.MAX_VALUE,<a name="line.364"></a>
-<span class="sourceLineNo">365</span>          earliestPutTs, oldestUnexpiredTS, now, null, null, store.getCoprocessorHost());<a name="line.365"></a>
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-<span class="sourceLineNo">367</span>        this.matcher = CompactionScanQueryMatcher.create(scanInfo, scanType, Long.MAX_VALUE,<a name="line.367"></a>
-<span class="sourceLineNo">368</span>          earliestPutTs, oldestUnexpiredTS, now, null, null, null);<a name="line.368"></a>
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-<span class="sourceLineNo">371</span><a name="line.371"></a>
-<span class="sourceLineNo">372</span>    // Seek all scanners to the initial key<a name="line.372"></a>
-<span class="sourceLineNo">373</span>    seekScanners(scanners, matcher.getStartKey(), false, parallelSeekEnabled);<a name="line.373"></a>
-<span class="sourceLineNo">374</span>    addCurrentScanners(scanners);<a name="line.374"></a>
-<span class="sourceLineNo">375</span>    resetKVHeap(scanners, scanInfo.getComparator());<a name="line.375"></a>
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-<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>   * Get a filtered list of scanners. Assumes we are not in a compaction.<a name="line.379"></a>
-<span class="sourceLineNo">380</span>   * @return list of scanners to seek<a name="line.380"></a>
-<span class="sourceLineNo">381</span>   */<a name="line.381"></a>
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-<span class="sourceLineNo">383</span>    return selectScannersFrom(<a name="line.383"></a>
-<span class="sourceLineNo">384</span>      store.getScanners(cacheBlocks, scanUsePread, false, matcher, scan.getStartRow(),<a name="line.384"></a>
-<span class="sourceLineNo">385</span>        scan.includeStartRow(), scan.getStopRow(), scan.includeStopRow(), this.readPt));<a name="line.385"></a>
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-<span class="sourceLineNo">387</span><a name="line.387"></a>
-<span class="sourceLineNo">388</span>  /**<a name="line.388"></a>
-<span class="sourceLineNo">389</span>   * Seek the specified scanners with the given key<a name="line.389"></a>
-<span class="sourceLineNo">390</span>   * @param scanners<a name="line.390"></a>
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+<span class="sourceLineNo">569</span><a name="line.569"></a>
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+<span class="sourceLineNo">572</span><a name="line.572"></a>
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+<span class="sourceLineNo">629</span>            b

<TRUNCATED>

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