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Posted to commits@hbase.apache.org by mi...@apache.org on 2016/02/18 18:20:32 UTC

[15/51] [partial] hbase-site git commit: Published site at d2ba87509b8d193f58183beff4ab76c7edf47e11.

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f32f549a/devapidocs/src-html/org/apache/hadoop/hbase/wal/WALSplitter.RegionEntryBuffer.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/wal/WALSplitter.RegionEntryBuffer.html b/devapidocs/src-html/org/apache/hadoop/hbase/wal/WALSplitter.RegionEntryBuffer.html
index 0597160..b444f46 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/wal/WALSplitter.RegionEntryBuffer.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/wal/WALSplitter.RegionEntryBuffer.html
@@ -184,2145 +184,2183 @@
 <span class="sourceLineNo">176</span>  // Min batch size when replay WAL edits<a name="line.176"></a>
 <span class="sourceLineNo">177</span>  private final int minBatchSize;<a name="line.177"></a>
 <span class="sourceLineNo">178</span><a name="line.178"></a>
-<span class="sourceLineNo">179</span>  WALSplitter(final WALFactory factory, Configuration conf, Path rootDir,<a name="line.179"></a>
-<span class="sourceLineNo">180</span>      FileSystem fs, LastSequenceId idChecker,<a name="line.180"></a>
-<span class="sourceLineNo">181</span>      CoordinatedStateManager csm, RecoveryMode mode) {<a name="line.181"></a>
-<span class="sourceLineNo">182</span>    this.conf = HBaseConfiguration.create(conf);<a name="line.182"></a>
-<span class="sourceLineNo">183</span>    String codecClassName = conf<a name="line.183"></a>
-<span class="sourceLineNo">184</span>        .get(WALCellCodec.WAL_CELL_CODEC_CLASS_KEY, WALCellCodec.class.getName());<a name="line.184"></a>
-<span class="sourceLineNo">185</span>    this.conf.set(HConstants.RPC_CODEC_CONF_KEY, codecClassName);<a name="line.185"></a>
-<span class="sourceLineNo">186</span>    this.rootDir = rootDir;<a name="line.186"></a>
-<span class="sourceLineNo">187</span>    this.fs = fs;<a name="line.187"></a>
-<span class="sourceLineNo">188</span>    this.sequenceIdChecker = idChecker;<a name="line.188"></a>
-<span class="sourceLineNo">189</span>    this.csm = (BaseCoordinatedStateManager)csm;<a name="line.189"></a>
-<span class="sourceLineNo">190</span>    this.walFactory = factory;<a name="line.190"></a>
-<span class="sourceLineNo">191</span>    this.controller = new PipelineController();<a name="line.191"></a>
-<span class="sourceLineNo">192</span><a name="line.192"></a>
-<span class="sourceLineNo">193</span>    entryBuffers = new EntryBuffers(controller,<a name="line.193"></a>
-<span class="sourceLineNo">194</span>        this.conf.getInt("hbase.regionserver.hlog.splitlog.buffersize",<a name="line.194"></a>
-<span class="sourceLineNo">195</span>            128*1024*1024));<a name="line.195"></a>
+<span class="sourceLineNo">179</span>  // the file being split currently<a name="line.179"></a>
+<span class="sourceLineNo">180</span>  private FileStatus fileBeingSplit;<a name="line.180"></a>
+<span class="sourceLineNo">181</span><a name="line.181"></a>
+<span class="sourceLineNo">182</span>  @VisibleForTesting<a name="line.182"></a>
+<span class="sourceLineNo">183</span>  WALSplitter(final WALFactory factory, Configuration conf, Path rootDir,<a name="line.183"></a>
+<span class="sourceLineNo">184</span>      FileSystem fs, LastSequenceId idChecker,<a name="line.184"></a>
+<span class="sourceLineNo">185</span>      CoordinatedStateManager csm, RecoveryMode mode) {<a name="line.185"></a>
+<span class="sourceLineNo">186</span>    this.conf = HBaseConfiguration.create(conf);<a name="line.186"></a>
+<span class="sourceLineNo">187</span>    String codecClassName = conf<a name="line.187"></a>
+<span class="sourceLineNo">188</span>        .get(WALCellCodec.WAL_CELL_CODEC_CLASS_KEY, WALCellCodec.class.getName());<a name="line.188"></a>
+<span class="sourceLineNo">189</span>    this.conf.set(HConstants.RPC_CODEC_CONF_KEY, codecClassName);<a name="line.189"></a>
+<span class="sourceLineNo">190</span>    this.rootDir = rootDir;<a name="line.190"></a>
+<span class="sourceLineNo">191</span>    this.fs = fs;<a name="line.191"></a>
+<span class="sourceLineNo">192</span>    this.sequenceIdChecker = idChecker;<a name="line.192"></a>
+<span class="sourceLineNo">193</span>    this.csm = (BaseCoordinatedStateManager)csm;<a name="line.193"></a>
+<span class="sourceLineNo">194</span>    this.walFactory = factory;<a name="line.194"></a>
+<span class="sourceLineNo">195</span>    this.controller = new PipelineController();<a name="line.195"></a>
 <span class="sourceLineNo">196</span><a name="line.196"></a>
-<span class="sourceLineNo">197</span>    // a larger minBatchSize may slow down recovery because replay writer has to wait for<a name="line.197"></a>
-<span class="sourceLineNo">198</span>    // enough edits before replaying them<a name="line.198"></a>
-<span class="sourceLineNo">199</span>    this.minBatchSize = this.conf.getInt("hbase.regionserver.wal.logreplay.batch.size", 64);<a name="line.199"></a>
-<span class="sourceLineNo">200</span>    this.distributedLogReplay = (RecoveryMode.LOG_REPLAY == mode);<a name="line.200"></a>
-<span class="sourceLineNo">201</span><a name="line.201"></a>
-<span class="sourceLineNo">202</span>    this.numWriterThreads = this.conf.getInt("hbase.regionserver.hlog.splitlog.writer.threads", 3);<a name="line.202"></a>
-<span class="sourceLineNo">203</span>    if (csm != null &amp;&amp; this.distributedLogReplay) {<a name="line.203"></a>
-<span class="sourceLineNo">204</span>      outputSink = new LogReplayOutputSink(controller, entryBuffers, numWriterThreads);<a name="line.204"></a>
-<span class="sourceLineNo">205</span>    } else {<a name="line.205"></a>
-<span class="sourceLineNo">206</span>      if (this.distributedLogReplay) {<a name="line.206"></a>
-<span class="sourceLineNo">207</span>        LOG.info("ZooKeeperWatcher is passed in as NULL so disable distrubitedLogRepaly.");<a name="line.207"></a>
-<span class="sourceLineNo">208</span>      }<a name="line.208"></a>
-<span class="sourceLineNo">209</span>      this.distributedLogReplay = false;<a name="line.209"></a>
-<span class="sourceLineNo">210</span>      outputSink = new LogRecoveredEditsOutputSink(controller, entryBuffers, numWriterThreads);<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>  /**<a name="line.215"></a>
-<span class="sourceLineNo">216</span>   * Splits a WAL file into region's recovered-edits directory.<a name="line.216"></a>
-<span class="sourceLineNo">217</span>   * This is the main entry point for distributed log splitting from SplitLogWorker.<a name="line.217"></a>
-<span class="sourceLineNo">218</span>   * &lt;p&gt;<a name="line.218"></a>
-<span class="sourceLineNo">219</span>   * If the log file has N regions then N recovered.edits files will be produced.<a name="line.219"></a>
-<span class="sourceLineNo">220</span>   * &lt;p&gt;<a name="line.220"></a>
-<span class="sourceLineNo">221</span>   * @param rootDir<a name="line.221"></a>
-<span class="sourceLineNo">222</span>   * @param logfile<a name="line.222"></a>
-<span class="sourceLineNo">223</span>   * @param fs<a name="line.223"></a>
-<span class="sourceLineNo">224</span>   * @param conf<a name="line.224"></a>
-<span class="sourceLineNo">225</span>   * @param reporter<a name="line.225"></a>
-<span class="sourceLineNo">226</span>   * @param idChecker<a name="line.226"></a>
-<span class="sourceLineNo">227</span>   * @param cp coordination state manager<a name="line.227"></a>
-<span class="sourceLineNo">228</span>   * @return false if it is interrupted by the progress-able.<a name="line.228"></a>
-<span class="sourceLineNo">229</span>   * @throws IOException<a name="line.229"></a>
-<span class="sourceLineNo">230</span>   */<a name="line.230"></a>
-<span class="sourceLineNo">231</span>  public static boolean splitLogFile(Path rootDir, FileStatus logfile, FileSystem fs,<a name="line.231"></a>
-<span class="sourceLineNo">232</span>      Configuration conf, CancelableProgressable reporter, LastSequenceId idChecker,<a name="line.232"></a>
-<span class="sourceLineNo">233</span>      CoordinatedStateManager cp, RecoveryMode mode, final WALFactory factory) throws IOException {<a name="line.233"></a>
-<span class="sourceLineNo">234</span>    WALSplitter s = new WALSplitter(factory, conf, rootDir, fs, idChecker, cp, mode);<a name="line.234"></a>
-<span class="sourceLineNo">235</span>    return s.splitLogFile(logfile, reporter);<a name="line.235"></a>
-<span class="sourceLineNo">236</span>  }<a name="line.236"></a>
-<span class="sourceLineNo">237</span><a name="line.237"></a>
-<span class="sourceLineNo">238</span>  // A wrapper to split one log folder using the method used by distributed<a name="line.238"></a>
-<span class="sourceLineNo">239</span>  // log splitting. Used by tools and unit tests. It should be package private.<a name="line.239"></a>
-<span class="sourceLineNo">240</span>  // It is public only because TestWALObserver is in a different package,<a name="line.240"></a>
-<span class="sourceLineNo">241</span>  // which uses this method to do log splitting.<a name="line.241"></a>
-<span class="sourceLineNo">242</span>  @VisibleForTesting<a name="line.242"></a>
-<span class="sourceLineNo">243</span>  public static List&lt;Path&gt; split(Path rootDir, Path logDir, Path oldLogDir,<a name="line.243"></a>
-<span class="sourceLineNo">244</span>      FileSystem fs, Configuration conf, final WALFactory factory) throws IOException {<a name="line.244"></a>
-<span class="sourceLineNo">245</span>    final FileStatus[] logfiles = SplitLogManager.getFileList(conf,<a name="line.245"></a>
-<span class="sourceLineNo">246</span>        Collections.singletonList(logDir), null);<a name="line.246"></a>
-<span class="sourceLineNo">247</span>    List&lt;Path&gt; splits = new ArrayList&lt;Path&gt;();<a name="line.247"></a>
-<span class="sourceLineNo">248</span>    if (logfiles != null &amp;&amp; logfiles.length &gt; 0) {<a name="line.248"></a>
-<span class="sourceLineNo">249</span>      for (FileStatus logfile: logfiles) {<a name="line.249"></a>
-<span class="sourceLineNo">250</span>        WALSplitter s = new WALSplitter(factory, conf, rootDir, fs, null, null,<a name="line.250"></a>
-<span class="sourceLineNo">251</span>            RecoveryMode.LOG_SPLITTING);<a name="line.251"></a>
-<span class="sourceLineNo">252</span>        if (s.splitLogFile(logfile, null)) {<a name="line.252"></a>
-<span class="sourceLineNo">253</span>          finishSplitLogFile(rootDir, oldLogDir, logfile.getPath(), conf);<a name="line.253"></a>
-<span class="sourceLineNo">254</span>          if (s.outputSink.splits != null) {<a name="line.254"></a>
-<span class="sourceLineNo">255</span>            splits.addAll(s.outputSink.splits);<a name="line.255"></a>
-<span class="sourceLineNo">256</span>          }<a name="line.256"></a>
-<span class="sourceLineNo">257</span>        }<a name="line.257"></a>
-<span class="sourceLineNo">258</span>      }<a name="line.258"></a>
-<span class="sourceLineNo">259</span>    }<a name="line.259"></a>
-<span class="sourceLineNo">260</span>    if (!fs.delete(logDir, true)) {<a name="line.260"></a>
-<span class="sourceLineNo">261</span>      throw new IOException("Unable to delete src dir: " + logDir);<a name="line.261"></a>
-<span class="sourceLineNo">262</span>    }<a name="line.262"></a>
-<span class="sourceLineNo">263</span>    return splits;<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>   * log splitting implementation, splits one log file.<a name="line.267"></a>
-<span class="sourceLineNo">268</span>   * @param logfile should be an actual log file.<a name="line.268"></a>
-<span class="sourceLineNo">269</span>   */<a name="line.269"></a>
-<span class="sourceLineNo">270</span>  boolean splitLogFile(FileStatus logfile, CancelableProgressable reporter) throws IOException {<a name="line.270"></a>
-<span class="sourceLineNo">271</span>    Preconditions.checkState(status == null);<a name="line.271"></a>
-<span class="sourceLineNo">272</span>    Preconditions.checkArgument(logfile.isFile(),<a name="line.272"></a>
-<span class="sourceLineNo">273</span>        "passed in file status is for something other than a regular file.");<a name="line.273"></a>
-<span class="sourceLineNo">274</span>    boolean isCorrupted = false;<a name="line.274"></a>
-<span class="sourceLineNo">275</span>    boolean skipErrors = conf.getBoolean("hbase.hlog.split.skip.errors",<a name="line.275"></a>
-<span class="sourceLineNo">276</span>      SPLIT_SKIP_ERRORS_DEFAULT);<a name="line.276"></a>
-<span class="sourceLineNo">277</span>    int interval = conf.getInt("hbase.splitlog.report.interval.loglines", 1024);<a name="line.277"></a>
-<span class="sourceLineNo">278</span>    Path logPath = logfile.getPath();<a name="line.278"></a>
-<span class="sourceLineNo">279</span>    boolean outputSinkStarted = false;<a name="line.279"></a>
-<span class="sourceLineNo">280</span>    boolean progress_failed = false;<a name="line.280"></a>
-<span class="sourceLineNo">281</span>    int editsCount = 0;<a name="line.281"></a>
-<span class="sourceLineNo">282</span>    int editsSkipped = 0;<a name="line.282"></a>
-<span class="sourceLineNo">283</span><a name="line.283"></a>
-<span class="sourceLineNo">284</span>    status =<a name="line.284"></a>
-<span class="sourceLineNo">285</span>        TaskMonitor.get().createStatus(<a name="line.285"></a>
-<span class="sourceLineNo">286</span>          "Splitting log file " + logfile.getPath() + "into a temporary staging area.");<a name="line.286"></a>
-<span class="sourceLineNo">287</span>    Reader in = null;<a name="line.287"></a>
-<span class="sourceLineNo">288</span>    try {<a name="line.288"></a>
-<span class="sourceLineNo">289</span>      long logLength = logfile.getLen();<a name="line.289"></a>
-<span class="sourceLineNo">290</span>      LOG.info("Splitting wal: " + logPath + ", length=" + logLength);<a name="line.290"></a>
-<span class="sourceLineNo">291</span>      LOG.info("DistributedLogReplay = " + this.distributedLogReplay);<a name="line.291"></a>
-<span class="sourceLineNo">292</span>      status.setStatus("Opening log file");<a name="line.292"></a>
-<span class="sourceLineNo">293</span>      if (reporter != null &amp;&amp; !reporter.progress()) {<a name="line.293"></a>
-<span class="sourceLineNo">294</span>        progress_failed = true;<a name="line.294"></a>
-<span class="sourceLineNo">295</span>        return false;<a name="line.295"></a>
-<span class="sourceLineNo">296</span>      }<a name="line.296"></a>
-<span class="sourceLineNo">297</span>      try {<a name="line.297"></a>
-<span class="sourceLineNo">298</span>        in = getReader(logfile, skipErrors, reporter);<a name="line.298"></a>
-<span class="sourceLineNo">299</span>      } catch (CorruptedLogFileException e) {<a name="line.299"></a>
-<span class="sourceLineNo">300</span>        LOG.warn("Could not get reader, corrupted log file " + logPath, e);<a name="line.300"></a>
-<span class="sourceLineNo">301</span>        ZKSplitLog.markCorrupted(rootDir, logfile.getPath().getName(), fs);<a name="line.301"></a>
-<span class="sourceLineNo">302</span>        isCorrupted = true;<a name="line.302"></a>
-<span class="sourceLineNo">303</span>      }<a name="line.303"></a>
-<span class="sourceLineNo">304</span>      if (in == null) {<a name="line.304"></a>
-<span class="sourceLineNo">305</span>        LOG.warn("Nothing to split in log file " + logPath);<a name="line.305"></a>
-<span class="sourceLineNo">306</span>        return true;<a name="line.306"></a>
-<span class="sourceLineNo">307</span>      }<a name="line.307"></a>
-<span class="sourceLineNo">308</span>      int numOpenedFilesBeforeReporting = conf.getInt("hbase.splitlog.report.openedfiles", 3);<a name="line.308"></a>
-<span class="sourceLineNo">309</span>      int numOpenedFilesLastCheck = 0;<a name="line.309"></a>
-<span class="sourceLineNo">310</span>      outputSink.setReporter(reporter);<a name="line.310"></a>
-<span class="sourceLineNo">311</span>      outputSink.startWriterThreads();<a name="line.311"></a>
-<span class="sourceLineNo">312</span>      outputSinkStarted = true;<a name="line.312"></a>
-<span class="sourceLineNo">313</span>      Entry entry;<a name="line.313"></a>
-<span class="sourceLineNo">314</span>      Long lastFlushedSequenceId = -1L;<a name="line.314"></a>
-<span class="sourceLineNo">315</span>      ServerName serverName = DefaultWALProvider.getServerNameFromWALDirectoryName(logPath);<a name="line.315"></a>
-<span class="sourceLineNo">316</span>      failedServerName = (serverName == null) ? "" : serverName.getServerName();<a name="line.316"></a>
-<span class="sourceLineNo">317</span>      while ((entry = getNextLogLine(in, logPath, skipErrors)) != null) {<a name="line.317"></a>
-<span class="sourceLineNo">318</span>        byte[] region = entry.getKey().getEncodedRegionName();<a name="line.318"></a>
-<span class="sourceLineNo">319</span>        String encodedRegionNameAsStr = Bytes.toString(region);<a name="line.319"></a>
-<span class="sourceLineNo">320</span>        lastFlushedSequenceId = lastFlushedSequenceIds.get(encodedRegionNameAsStr);<a name="line.320"></a>
-<span class="sourceLineNo">321</span>        if (lastFlushedSequenceId == null) {<a name="line.321"></a>
-<span class="sourceLineNo">322</span>          if (this.distributedLogReplay) {<a name="line.322"></a>
-<span class="sourceLineNo">323</span>            RegionStoreSequenceIds ids =<a name="line.323"></a>
-<span class="sourceLineNo">324</span>                csm.getSplitLogWorkerCoordination().getRegionFlushedSequenceId(failedServerName,<a name="line.324"></a>
-<span class="sourceLineNo">325</span>                  encodedRegionNameAsStr);<a name="line.325"></a>
-<span class="sourceLineNo">326</span>            if (ids != null) {<a name="line.326"></a>
-<span class="sourceLineNo">327</span>              lastFlushedSequenceId = ids.getLastFlushedSequenceId();<a name="line.327"></a>
-<span class="sourceLineNo">328</span>              if (LOG.isDebugEnabled()) {<a name="line.328"></a>
-<span class="sourceLineNo">329</span>                LOG.debug("DLR Last flushed sequenceid for " + encodedRegionNameAsStr + ": " +<a name="line.329"></a>
-<span class="sourceLineNo">330</span>                  TextFormat.shortDebugString(ids));<a name="line.330"></a>
-<span class="sourceLineNo">331</span>              }<a name="line.331"></a>
-<span class="sourceLineNo">332</span>            }<a name="line.332"></a>
-<span class="sourceLineNo">333</span>          } else if (sequenceIdChecker != null) {<a name="line.333"></a>
-<span class="sourceLineNo">334</span>            RegionStoreSequenceIds ids = sequenceIdChecker.getLastSequenceId(region);<a name="line.334"></a>
-<span class="sourceLineNo">335</span>            Map&lt;byte[], Long&gt; maxSeqIdInStores = new TreeMap&lt;byte[], Long&gt;(Bytes.BYTES_COMPARATOR);<a name="line.335"></a>
-<span class="sourceLineNo">336</span>            for (StoreSequenceId storeSeqId : ids.getStoreSequenceIdList()) {<a name="line.336"></a>
-<span class="sourceLineNo">337</span>              maxSeqIdInStores.put(storeSeqId.getFamilyName().toByteArray(),<a name="line.337"></a>
-<span class="sourceLineNo">338</span>                storeSeqId.getSequenceId());<a name="line.338"></a>
-<span class="sourceLineNo">339</span>            }<a name="line.339"></a>
-<span class="sourceLineNo">340</span>            regionMaxSeqIdInStores.put(encodedRegionNameAsStr, maxSeqIdInStores);<a name="line.340"></a>
-<span class="sourceLineNo">341</span>            lastFlushedSequenceId = ids.getLastFlushedSequenceId();<a name="line.341"></a>
-<span class="sourceLineNo">342</span>            if (LOG.isDebugEnabled()) {<a name="line.342"></a>
-<span class="sourceLineNo">343</span>              LOG.debug("DLS Last flushed sequenceid for " + encodedRegionNameAsStr + ": " +<a name="line.343"></a>
-<span class="sourceLineNo">344</span>                  TextFormat.shortDebugString(ids));<a name="line.344"></a>
+<span class="sourceLineNo">197</span>    entryBuffers = new EntryBuffers(controller,<a name="line.197"></a>
+<span class="sourceLineNo">198</span>        this.conf.getInt("hbase.regionserver.hlog.splitlog.buffersize",<a name="line.198"></a>
+<span class="sourceLineNo">199</span>            128*1024*1024));<a name="line.199"></a>
+<span class="sourceLineNo">200</span><a name="line.200"></a>
+<span class="sourceLineNo">201</span>    // a larger minBatchSize may slow down recovery because replay writer has to wait for<a name="line.201"></a>
+<span class="sourceLineNo">202</span>    // enough edits before replaying them<a name="line.202"></a>
+<span class="sourceLineNo">203</span>    this.minBatchSize = this.conf.getInt("hbase.regionserver.wal.logreplay.batch.size", 64);<a name="line.203"></a>
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+<span class="sourceLineNo">205</span><a name="line.205"></a>
+<span class="sourceLineNo">206</span>    this.numWriterThreads = this.conf.getInt("hbase.regionserver.hlog.splitlog.writer.threads", 3);<a name="line.206"></a>
+<span class="sourceLineNo">207</span>    if (csm != null &amp;&amp; this.distributedLogReplay) {<a name="line.207"></a>
+<span class="sourceLineNo">208</span>      outputSink = new LogReplayOutputSink(controller, entryBuffers, numWriterThreads);<a name="line.208"></a>
+<span class="sourceLineNo">209</span>    } else {<a name="line.209"></a>
+<span class="sourceLineNo">210</span>      if (this.distributedLogReplay) {<a name="line.210"></a>
+<span class="sourceLineNo">211</span>        LOG.info("ZooKeeperWatcher is passed in as NULL so disable distrubitedLogRepaly.");<a name="line.211"></a>
+<span class="sourceLineNo">212</span>      }<a name="line.212"></a>
+<span class="sourceLineNo">213</span>      this.distributedLogReplay = false;<a name="line.213"></a>
+<span class="sourceLineNo">214</span>      outputSink = new LogRecoveredEditsOutputSink(controller, entryBuffers, numWriterThreads);<a name="line.214"></a>
+<span class="sourceLineNo">215</span>    }<a name="line.215"></a>
+<span class="sourceLineNo">216</span><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>   * Splits a WAL file into region's recovered-edits directory.<a name="line.220"></a>
+<span class="sourceLineNo">221</span>   * This is the main entry point for distributed log splitting from SplitLogWorker.<a name="line.221"></a>
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