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https://issues.apache.org/jira/browse/HBASE-5659?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13421167#comment-13421167
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Lars Hofhansl commented on HBASE-5659:
--------------------------------------
Never mind. Threads of the same process share the same open files of course.
> TestAtomicOperation.testMultiRowMutationMultiThreads is still failing
> occasionally
> ----------------------------------------------------------------------------------
>
> Key: HBASE-5659
> URL: https://issues.apache.org/jira/browse/HBASE-5659
> Project: HBase
> Issue Type: Sub-task
> Reporter: Lars Hofhansl
> Assignee: Lars Hofhansl
> Priority: Minor
> Fix For: 0.96.0, 0.94.1
>
> Attachments: 5659-addendum.txt, 5659-v2.txt, 5659.txt
>
>
> See run here:
> https://builds.apache.org/job/PreCommit-HBASE-Build/1318//testReport/org.apache.hadoop.hbase.regionserver/TestAtomicOperation/testMultiRowMutationMultiThreads/
> {quote}
> 2012-03-27 04:36:12,627 DEBUG [Thread-118] regionserver.StoreScanner(499):
> Storescanner.peek() is changed where before =
> rowB/colfamily11:qual1/7202/Put/vlen=6/ts=7922,and after =
> rowB/colfamily11:qual1/7199/DeleteColumn/vlen=0/ts=0
> 2012-03-27 04:36:12,629 INFO [Thread-121] regionserver.HRegion(1558):
> Finished memstore flush of ~2.9k/2952, currentsize=1.6k/1640 for region
> testtable,,1332822963417.7cd30e219714cfc5e91f69def66e7f81. in 14ms,
> sequenceid=7927, compaction requested=true
> 2012-03-27 04:36:12,629 DEBUG [Thread-126]
> regionserver.TestAtomicOperation$2(362): flushing
> 2012-03-27 04:36:12,630 DEBUG [Thread-126] regionserver.HRegion(1426):
> Started memstore flush for
> testtable,,1332822963417.7cd30e219714cfc5e91f69def66e7f81., current region
> memstore size 1.9k
> 2012-03-27 04:36:12,630 DEBUG [Thread-126] regionserver.HRegion(1474):
> Finished snapshotting
> testtable,,1332822963417.7cd30e219714cfc5e91f69def66e7f81., commencing wait
> for mvcc, flushsize=1968
> 2012-03-27 04:36:12,630 DEBUG [Thread-126] regionserver.HRegion(1484):
> Finished snapshotting, commencing flushing stores
> 2012-03-27 04:36:12,630 DEBUG [Thread-126] util.FSUtils(153): Creating
> file=/home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/trunk/target/test-data/b9091c3c-961e-4035-850a-83ad14d517cc/TestAtomicOperationtestMultiRowMutationMultiThreads/testtable/7cd30e219714cfc5e91f69def66e7f81/.tmp/61954619003e469baf1a34be5ff2ec57
> with permission=rwxrwxrwx
> 2012-03-27 04:36:12,631 DEBUG [Thread-126] hfile.HFileWriterV2(143):
> Initialized with CacheConfig:enabled [cacheDataOnRead=true]
> [cacheDataOnWrite=false] [cacheIndexesOnWrite=false]
> [cacheBloomsOnWrite=false] [cacheEvictOnClose=false] [cacheCompressed=false]
> 2012-03-27 04:36:12,631 INFO [Thread-126]
> regionserver.StoreFile$Writer(997): Delete Family Bloom filter type for
> /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/trunk/target/test-data/b9091c3c-961e-4035-850a-83ad14d517cc/TestAtomicOperationtestMultiRowMutationMultiThreads/testtable/7cd30e219714cfc5e91f69def66e7f81/.tmp/61954619003e469baf1a34be5ff2ec57:
> CompoundBloomFilterWriter
> 2012-03-27 04:36:12,632 INFO [Thread-126]
> regionserver.StoreFile$Writer(1220): NO General Bloom and NO DeleteFamily was
> added to HFile
> (/home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/trunk/target/test-data/b9091c3c-961e-4035-850a-83ad14d517cc/TestAtomicOperationtestMultiRowMutationMultiThreads/testtable/7cd30e219714cfc5e91f69def66e7f81/.tmp/61954619003e469baf1a34be5ff2ec57)
>
> 2012-03-27 04:36:12,632 INFO [Thread-126] regionserver.Store(770): Flushed ,
> sequenceid=7934, memsize=1.9k, into tmp file
> /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/trunk/target/test-data/b9091c3c-961e-4035-850a-83ad14d517cc/TestAtomicOperationtestMultiRowMutationMultiThreads/testtable/7cd30e219714cfc5e91f69def66e7f81/.tmp/61954619003e469baf1a34be5ff2ec57
> 2012-03-27 04:36:12,632 DEBUG [Thread-126] regionserver.Store(795): Renaming
> flushed file at
> /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/trunk/target/test-data/b9091c3c-961e-4035-850a-83ad14d517cc/TestAtomicOperationtestMultiRowMutationMultiThreads/testtable/7cd30e219714cfc5e91f69def66e7f81/.tmp/61954619003e469baf1a34be5ff2ec57
> to
> /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/trunk/target/test-data/b9091c3c-961e-4035-850a-83ad14d517cc/TestAtomicOperationtestMultiRowMutationMultiThreads/testtable/7cd30e219714cfc5e91f69def66e7f81/colfamily11/61954619003e469baf1a34be5ff2ec57
> 2012-03-27 04:36:12,634 INFO [Thread-126] regionserver.Store(818): Added
> /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/trunk/target/test-data/b9091c3c-961e-4035-850a-83ad14d517cc/TestAtomicOperationtestMultiRowMutationMultiThreads/testtable/7cd30e219714cfc5e91f69def66e7f81/colfamily11/61954619003e469baf1a34be5ff2ec57,
> entries=12, sequenceid=7934, filesize=1.3k
> 2012-03-27 04:36:12,642 DEBUG [Thread-118]
> regionserver.TestAtomicOperation$2(392): []
> Exception in thread "Thread-118" junit.framework.AssertionFailedError at
> junit.framework.Assert.fail(Assert.java:48)
> at junit.framework.Assert.fail(Assert.java:56)
> at
> org.apache.hadoop.hbase.regionserver.TestAtomicOperation$2.run(TestAtomicOperation.java:394)
> 2012-03-27 04:36:12,643 INFO [Thread-126] regionserver.HRegion(1558):
> Finished memstore flush of ~1.9k/1968, currentsize=1.3k/1312 for region
> testtable,,1332822963417.7cd30e219714cfc5e91f69def66e7f81. in 14ms,
> sequenceid=7934, compaction requested=true
> {quote}
> I think this issue is different from parent.
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