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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-9525) "Move" region right after a region split is dangerous
Date Mon, 16 Sep 2013 22:13:54 GMT

    [ https://issues.apache.org/jira/browse/HBASE-9525?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13768850#comment-13768850
] 

Hadoop QA commented on HBASE-9525:
----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12603445/trunk-9525.patch
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 6 new or modified
tests.

    {color:green}+1 hadoop1.0{color}.  The patch compiles against the hadoop 1.0 profile.

    {color:green}+1 hadoop2.0{color}.  The patch compiles against the hadoop 2.0 profile.

    {color:green}+1 javadoc{color}.  The javadoc tool did not generate any warning messages.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
1.3.9) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:green}+1 lineLengths{color}.  The patch does not introduce lines longer than 100

  {color:green}+1 site{color}.  The mvn site goal succeeds with this patch.

     {color:red}-1 core tests{color}.  The patch failed these unit tests:
                       org.apache.hadoop.hbase.io.TestHalfStoreFileReader
                  org.apache.hadoop.hbase.protobuf.TestProtobufUtil
                  org.apache.hadoop.hbase.io.hfile.TestScannerSelectionUsingKeyRange
                  org.apache.hadoop.hbase.master.TestCatalogJanitor
                  org.apache.hadoop.hbase.mapreduce.TestGroupingTableMapper
                  org.apache.hadoop.hbase.filter.TestFilterList
                  org.apache.hadoop.hbase.TestHTableDescriptor
                  org.apache.hadoop.hbase.master.cleaner.TestCleanerChore
                  org.apache.hadoop.hbase.snapshot.TestSnapshotLogSplitter
                  org.apache.hadoop.hbase.regionserver.TestBlocksScanned
                  org.apache.hadoop.hbase.regionserver.TestDefaultStoreEngine
                  org.apache.hadoop.hbase.executor.TestExecutorService
                  org.apache.hadoop.hbase.regionserver.TestResettingCounters
                  org.apache.hadoop.hbase.regionserver.wal.TestLogRollingNoCluster
                  org.apache.hadoop.hbase.client.TestHBaseAdminNoCluster
                  org.apache.hadoop.hbase.io.hfile.TestHFileDataBlockEncoder
                  org.apache.hadoop.hbase.constraint.TestConstraints
                  org.apache.hadoop.hbase.errorhandling.TestTimeoutExceptionInjector
                  org.apache.hadoop.hbase.snapshot.TestCopyRecoveredEditsTask
                  org.apache.hadoop.hbase.regionserver.TestScanWithBloomError
                  org.apache.hadoop.hbase.regionserver.TestColumnSeeking
                  org.apache.hadoop.hbase.io.hfile.TestHFile
                  org.apache.hadoop.hbase.regionserver.TestStoreFile
                  org.apache.hadoop.hbase.util.TestHFileArchiveUtil
                  org.apache.hadoop.hbase.io.hfile.TestHFileBlockCompatibility
                  org.apache.hadoop.hbase.master.cleaner.TestHFileLinkCleaner
                  org.apache.hadoop.hbase.regionserver.TestSplitTransaction
                  org.apache.hadoop.hbase.zookeeper.TestZooKeeperMainServer
                  org.apache.hadoop.hbase.regionserver.TestMemStoreLAB
                  org.apache.hadoop.hbase.ipc.TestSimpleRpcScheduler
                  org.apache.hadoop.hbase.io.hfile.TestFixedFileTrailer
                  org.apache.hadoop.hbase.filter.TestColumnPrefixFilter
                  org.apache.hadoop.hbase.security.TestUser
                  org.apache.hadoop.hbase.io.hfile.TestChecksum
                  org.apache.hadoop.hbase.regionserver.TestDefaultCompactSelection
                  org.apache.hadoop.hbase.client.TestIntraRowPagination
                  org.apache.hadoop.hbase.filter.TestDependentColumnFilter
                  org.apache.hadoop.hbase.filter.TestFilterSerialization
                  org.apache.hadoop.hbase.coprocessor.TestRegionObserverStacking
                  org.apache.hadoop.hbase.regionserver.TestHRegionInfo
                  org.apache.hadoop.hbase.filter.TestInvocationRecordFilter
                  org.apache.hadoop.hbase.mapreduce.TestSimpleTotalOrderPartitioner
                  org.apache.hadoop.hbase.master.snapshot.TestSnapshotLogCleaner
                  org.apache.hadoop.hbase.filter.TestMultipleColumnPrefixFilter
                  org.apache.hadoop.hbase.TestNodeHealthCheckChore
                  org.apache.hadoop.hbase.TestFSTableDescriptorForceCreation
                  org.apache.hadoop.hbase.thrift.TestCallQueue
                  org.apache.hadoop.hbase.regionserver.wal.TestHLogMethods
                  org.apache.hadoop.hbase.io.hfile.TestSeekTo
                  org.apache.hadoop.hbase.master.snapshot.TestSnapshotManager
                  org.apache.hadoop.hbase.snapshot.TestRestoreSnapshotHelper
                  org.apache.hadoop.hbase.regionserver.TestKeepDeletes
                  org.apache.hadoop.hbase.snapshot.TestWALReferenceTask
                  org.apache.hadoop.hbase.regionserver.TestScanDeleteTracker
                  org.apache.hadoop.hbase.io.hfile.TestHFileInlineToRootChunkConversion
                  org.apache.hadoop.hbase.regionserver.TestExplicitColumnTracker
                  org.apache.hadoop.hbase.master.TestClockSkewDetection
                  org.apache.hadoop.hbase.io.hfile.TestHFileWriterV2
                  org.apache.hadoop.hbase.snapshot.TestReferenceRegionHFilesTask
                  org.apache.hadoop.hbase.regionserver.TestMinVersions
                  org.apache.hadoop.hbase.regionserver.TestRegionSplitPolicy
                  org.apache.hadoop.hbase.zookeeper.TestZKConfig
                  org.apache.hadoop.hbase.regionserver.TestQueryMatcher
                  org.apache.hadoop.hbase.ipc.TestIPC
                  org.apache.hadoop.hbase.filter.TestFilter
                  org.apache.hadoop.hbase.io.TestReference
                  org.apache.hadoop.hbase.regionserver.wal.TestWALActionsListener
                  org.apache.hadoop.hbase.rest.TestResourceFilter
                  org.apache.hadoop.hbase.filter.TestSingleColumnValueFilter
                  org.apache.hadoop.hbase.TestHColumnDescriptor
                  org.apache.hadoop.hbase.regionserver.TestScanner
                  org.apache.hadoop.hbase.regionserver.TestStoreFileInfo
                  org.apache.hadoop.hbase.TestSerialization
                  org.apache.hadoop.hbase.master.balancer.TestFavoredNodeAssignmentHelper
                  org.apache.hadoop.hbase.regionserver.TestHRegionFileSystem
                  org.apache.hadoop.hbase.master.snapshot.TestSnapshotHFileCleaner
                  org.apache.hadoop.hbase.regionserver.TestWideScanner
                  org.apache.hadoop.hbase.regionserver.TestScanWildcardColumnTracker
                  org.apache.hadoop.hbase.filter.TestColumnPaginationFilter
                  org.apache.hadoop.hbase.regionserver.TestRSStatusServlet
                  org.apache.hadoop.hbase.filter.TestComparatorSerialization
                  org.apache.hadoop.hbase.regionserver.TestKeyValueHeap
                  org.apache.hadoop.hbase.io.hfile.TestReseekTo
                  org.apache.hadoop.hbase.regionserver.TestRegionMergeTransaction
                  org.apache.hadoop.hbase.coprocessor.TestCoprocessorInterface

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/7255//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/7255//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/7255//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/7255//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/7255//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop1-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/7255//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/7255//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/7255//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/7255//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/7255//console

This message is automatically generated.
                
> "Move" region right after a region split is dangerous
> -----------------------------------------------------
>
>                 Key: HBASE-9525
>                 URL: https://issues.apache.org/jira/browse/HBASE-9525
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Devaraj Das
>            Assignee: Jimmy Xiang
>         Attachments: logs.txt, trunk-9525.patch
>
>
> I ran into a situation where the CM issued a move for a region just after a region was
split. The master went bonkers since the master honored the CM request, and assigned the split
region, but subsequently all the region state assumptions on this (split)region was messed
up. I started seeing log lines lines like "THIS SHOULD NOT HAPPEN". Also, it created other
problems - a compaction on original region happened on the new assignee, and then the daughter
regions started seeing issues to do with store files missing, etc., etc. 
> I will upload the logs shortly.

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