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https://issues.apache.org/jira/browse/HBASE-19927?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16351950#comment-16351950
 ] 

stack commented on HBASE-19927:
-------------------------------

+1 go for it

> TestFullLogReconstruction flakey
> --------------------------------
>
>                 Key: HBASE-19927
>                 URL: https://issues.apache.org/jira/browse/HBASE-19927
>             Project: HBase
>          Issue Type: Sub-task
>          Components: wal
>            Reporter: stack
>            Assignee: Duo Zhang
>            Priority: Major
>             Fix For: 2.0.0-beta-2
>
>         Attachments: HBASE-19927.patch, js, out
>
>
> 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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