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https://issues.apache.org/jira/browse/HBASE-19927?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16351581#comment-16351581
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Duo Zhang commented on HBASE-19927:
-----------------------------------
IIRC this happened before. I used to introduce a close chore in AsyncFSWAL to
solve it and later removed it. Let me revisit the commit history to find out
what happened.
> TestFullLogReconstruction flakey
> --------------------------------
>
> Key: HBASE-19927
> URL: https://issues.apache.org/jira/browse/HBASE-19927
> Project: HBase
> Issue Type: Sub-task
> Components: wal
> Reporter: stack
> Priority: Major
> Fix For: 2.0.0-beta-2
>
>
> Fails pretty frequently in hadoopqa builds.
> There is a recent hang in
> org.apache.hadoop.hbase.TestFullLogReconstruction.tearDownAfterClass(TestFullLogReconstruction.java:68)
> In here...
> https://builds.apache.org/job/PreCommit-HBASE-Build/11363/testReport/org.apache.hadoop.hbase/TestFullLogReconstruction/org_apache_hadoop_hbase_TestFullLogReconstruction/
> ... see here.
> Thread 1250 (RS_CLOSE_META-edd281aedb18:59863-0):
> State: TIMED_WAITING
> Blocked count: 92
> Waited count: 278
> Stack:
> java.lang.Object.wait(Native Method)
>
> org.apache.hadoop.hbase.regionserver.wal.SyncFuture.get(SyncFuture.java:133)
>
> org.apache.hadoop.hbase.regionserver.wal.AbstractFSWAL.blockOnSync(AbstractFSWAL.java:718)
>
> org.apache.hadoop.hbase.regionserver.wal.AsyncFSWAL.sync(AsyncFSWAL.java:605)
>
> org.apache.hadoop.hbase.regionserver.wal.WALUtil.doFullAppendTransaction(WALUtil.java:154)
>
> org.apache.hadoop.hbase.regionserver.wal.WALUtil.writeFlushMarker(WALUtil.java:81)
>
> org.apache.hadoop.hbase.regionserver.HRegion.internalFlushCacheAndCommit(HRegion.java:2645)
>
> org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:2356)
>
> org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:2328)
>
> org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:2319)
> org.apache.hadoop.hbase.regionserver.HRegion.doClose(HRegion.java:1531)
> org.apache.hadoop.hbase.regionserver.HRegion.close(HRegion.java:1437)
>
> org.apache.hadoop.hbase.regionserver.handler.CloseRegionHandler.process(CloseRegionHandler.java:104)
> org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:104)
>
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> java.lang.Thread.run(Thread.java:748)
> We missed a signal? We need to do an interrupt? The log is not all there in
> hadoopqa builds so hard to see all that is going on. This test is not in the
> flakey set either....
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