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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-9836) Intermittent TestRegionObserverScannerOpenHook#testRegionObserverCompactionTimeStacking failure
Date Thu, 24 Oct 2013 22:20:01 GMT
Ted Yu created HBASE-9836:
-----------------------------

             Summary: Intermittent TestRegionObserverScannerOpenHook#testRegionObserverCompactionTimeStacking
failure
                 Key: HBASE-9836
                 URL: https://issues.apache.org/jira/browse/HBASE-9836
             Project: HBase
          Issue Type: Test
            Reporter: Ted Yu
            Assignee: Ted Yu


Here were two recent examples:
https://builds.apache.org/job/hbase-0.96-hadoop2/99/testReport/org.apache.hadoop.hbase.coprocessor/TestRegionObserverScannerOpenHook/testRegionObserverCompactionTimeStacking/

https://builds.apache.org/job/PreCommit-HBASE-Build/7616/testReport/junit/org.apache.hadoop.hbase.coprocessor/TestRegionObserverScannerOpenHook/testRegionObserverCompactionTimeStacking/
>From the second:
{code}
2013-10-24 18:08:10,080 INFO  [Priority.RpcServer.handler=1,port=58174] regionserver.HRegionServer(3672):
Flushing testRegionObserverCompactionTimeStacking,,1382638088230.e96920e43ea374ba1bd559df115870cf.
...
2013-10-24 18:08:10,544 INFO  [Priority.RpcServer.handler=1,port=58174] regionserver.HRegion(1645):
Finished memstore flush of ~128.0/128, currentsize=0.0/0 for region testRegionObserverCompactionTimeStacking,,1382638088230.e96920e43ea374ba1bd559df115870cf.
in 464ms, sequenceid=5, compaction requested=true
2013-10-24 18:08:10,546 DEBUG [Priority.RpcServer.handler=1,port=58174] regionserver.CompactSplitThread(319):
Small Compaction requested: system; Because: Compaction through user triggered flush; compaction_queue=(0:0),
split_queue=0, merge_queue=0
2013-10-24 18:08:10,547 DEBUG [RS:0;asf002:58174-smallCompactions-1382638090545] compactions.RatioBasedCompactionPolicy(92):
Selecting compaction from 2 store files, 0 compacting, 2 eligible, 10 blocking
2013-10-24 18:08:10,547 DEBUG [pool-1-thread-1] catalog.CatalogTracker(209): Stopping catalog
tracker org.apache.hadoop.hbase.catalog.CatalogTracker@4be179
2013-10-24 18:08:10,549 DEBUG [RS:0;asf002:58174-smallCompactions-1382638090545] compactions.ExploringCompactionPolicy(112):
Exploring compaction algorithm has selected 2 files of size 1999 starting at candidate #0
after considering 1 permutations with 1 in ratio
2013-10-24 18:08:10,551 DEBUG [RS:0;asf002:58174-smallCompactions-1382638090545] regionserver.HStore(1329):
e96920e43ea374ba1bd559df115870cf - A: Initiating major compaction
2013-10-24 18:08:10,551 INFO  [RS:0;asf002:58174-smallCompactions-1382638090545] regionserver.HRegion(1294):
Starting compaction on A in region testRegionObserverCompactionTimeStacking,,1382638088230.e96920e43ea374ba1bd559df115870cf.
2013-10-24 18:08:10,551 INFO  [RS:0;asf002:58174-smallCompactions-1382638090545] regionserver.HStore(982):
Starting compaction of 2 file(s) in A of testRegionObserverCompactionTimeStacking,,1382638088230.e96920e43ea374ba1bd559df115870cf.
into tmpdir=hdfs://localhost:49506/user/jenkins/hbase/data/default/testRegionObserverCompactionTimeStacking/e96920e43ea374ba1bd559df115870cf/.tmp,
totalSize=2.0k
2013-10-24 18:08:10,552 DEBUG [RS:0;asf002:58174-smallCompactions-1382638090545] compactions.Compactor(168):
Compacting hdfs://localhost:49506/user/jenkins/hbase/data/default/testRegionObserverCompactionTimeStacking/e96920e43ea374ba1bd559df115870cf/A/44f87b94732149c08f20bdba00dd7140,
keycount=1, bloomtype=ROW, size=992.0, encoding=NONE, seqNum=3, earliestPutTs=1382638089528
2013-10-24 18:08:10,552 DEBUG [RS:0;asf002:58174-smallCompactions-1382638090545] compactions.Compactor(168):
Compacting hdfs://localhost:49506/user/jenkins/hbase/data/default/testRegionObserverCompactionTimeStacking/e96920e43ea374ba1bd559df115870cf/A/0b2e580cbda246718bbf64c21e81cd18,
keycount=1, bloomtype=ROW, size=1007.0, encoding=NONE, seqNum=5, earliestPutTs=1382638090053
2013-10-24 18:08:10,564 DEBUG [RS:0;asf002:58174-smallCompactions-1382638090545] util.FSUtils(305):
DFS Client does not support most favored nodes create; using default create
...
Potentially hanging thread: RS:0;asf002:58174-smallCompactions-1382638090545
  java.lang.Object.wait(Native Method)
  java.lang.Object.wait(Object.java:485)
  org.apache.hadoop.ipc.Client.call(Client.java:1099)
  org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:229)
  $Proxy9.complete(Unknown Source)
  sun.reflect.GeneratedMethodAccessor10.invoke(Unknown Source)
  sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  java.lang.reflect.Method.invoke(Method.java:597)
  org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:85)
  org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:62)
  $Proxy9.complete(Unknown Source)
  sun.reflect.GeneratedMethodAccessor10.invoke(Unknown Source)
  sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  java.lang.reflect.Method.invoke(Method.java:597)
  org.apache.hadoop.hbase.fs.HFileSystem$1.invoke(HFileSystem.java:266)
  $Proxy15.complete(Unknown Source)
  org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.closeInternal(DFSClient.java:4121)
  org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.close(DFSClient.java:4022)
  org.apache.hadoop.fs.FSDataOutputStream$PositionCache.close(FSDataOutputStream.java:61)
  org.apache.hadoop.fs.FSDataOutputStream.close(FSDataOutputStream.java:86)
  org.apache.hadoop.hbase.io.hfile.AbstractHFileWriter.finishClose(AbstractHFileWriter.java:251)
  org.apache.hadoop.hbase.io.hfile.HFileWriterV2.close(HFileWriterV2.java:408)
  org.apache.hadoop.hbase.regionserver.StoreFile$Writer.close(StoreFile.java:984)
  org.apache.hadoop.hbase.regionserver.compactions.DefaultCompactor.compact(DefaultCompactor.java:91)
  org.apache.hadoop.hbase.regionserver.DefaultStoreEngine$DefaultCompactionContext.compact(DefaultStoreEngine.java:103)
  org.apache.hadoop.hbase.regionserver.HStore.compact(HStore.java:991)
  org.apache.hadoop.hbase.regionserver.HRegion.compact(HRegion.java:1300)
  org.apache.hadoop.hbase.regionserver.CompactSplitThread$CompactionRunner.run(CompactSplitThread.java:475)
{code}
Looks like the compaction was still running when assertion failed.



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