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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-16012) Major compaction can't work because left scanner read point in RegionServer
Date Wed, 22 Jun 2016 05:58:57 GMT

    [ https://issues.apache.org/jira/browse/HBASE-16012?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15343761#comment-15343761
] 

Hadoop QA commented on HBASE-16012:
-----------------------------------

| (x) *{color:red}-1 overall{color}* |
\\
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|| Vote || Subsystem || Runtime || Comment ||
| {color:red}-1{color} | {color:red} patch {color} | {color:red} 0m 4s {color} | {color:red}
HBASE-16012 does not apply to master. Rebase required? Wrong Branch? See https://yetus.apache.org/documentation/0.2.1/precommit-patchnames
for help. {color} |
\\
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|| Subsystem || Report/Notes ||
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12812390/HBASE-16012-0.98-v5.patch
|
| JIRA Issue | HBASE-16012 |
| Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/2321/console |
| Powered by | Apache Yetus 0.2.1   http://yetus.apache.org |


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> Major compaction can't work because left scanner read point in RegionServer
> ---------------------------------------------------------------------------
>
>                 Key: HBASE-16012
>                 URL: https://issues.apache.org/jira/browse/HBASE-16012
>             Project: HBase
>          Issue Type: Bug
>          Components: Compaction, Scanners
>    Affects Versions: 2.0.0, 0.94.27, 1.1.6, 1.3.1, 0.98.21, 1.2.3
>            Reporter: Guanghao Zhang
>            Assignee: Guanghao Zhang
>             Fix For: 2.0.0, 1.1.6, 1.3.1, 0.98.21, 1.2.3
>
>         Attachments: HBASE-16012-0.98-v5.patch, HBASE-16012-branch-1-v5.patch, HBASE-16012-v1.patch,
HBASE-16012-v2.patch, HBASE-16012-v3.patch, HBASE-16012-v4.patch, HBASE-16012-v5.patch, HBASE-16012.patch
>
>
> When new RegionScanner, it will add a scanner read point in scannerReadPoints. But if
we got a exception after add read point, the read point will keep in regions server and the
delete after this mvcc number will never be compacted.
> Our hbase version is base 0.94. If it throws other exception when initialize RegionScanner,
the master branch has this bug, too.
> ERROR org.apache.hadoop.hbase.regionserver.HRegionServer: Failed openScanner java.io.IOException:
Could not seek StoreFileScanner
>   at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seek(StoreFileScanner.java:160)
>   at org.apache.hadoop.hbase.regionserver.StoreScanner.seekScanners(StoreScanner.java:268)
>   at org.apache.hadoop.hbase.regionserver.StoreScanner.<init>(StoreScanner.java:168)
>   at org.apache.hadoop.hbase.regionserver.Store.getScanner(Store.java:2232)
>   at org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.<init>(HRegion.java:4026)
>   at org.apache.hadoop.hbase.regionserver.HRegion.instantiateRegionScanner(HRegion.java:1895)
>   at org.apache.hadoop.hbase.regionserver.HRegion.getScanner(HRegion.java:1879)
>   at org.apache.hadoop.hbase.regionserver.HRegion.getScanner(HRegion.java:1854)
>   at org.apache.hadoop.hbase.regionserver.HRegionServer.internalOpenScanner(HRegionServer.java:3032)
>   at org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:2995)
>   at sun.reflect.GeneratedMethodAccessor67.invoke(Unknown Source)
>   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>   at java.lang.reflect.Method.invoke(Method.java:597)
>   at org.apache.hadoop.hbase.ipc.SecureRpcEngine$Server.call(SecureRpcEngine.java:338)
>   at org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:1595)
> Caused by: org.apache.hadoop.hbase.ipc.CallerDisconnectedException: Aborting call openScanner,
since caller disconnected
>   at org.apache.hadoop.hbase.ipc.HBaseServer$Call.throwExceptionIfCallerDisconnected(HBaseServer.java:475)
>   at org.apache.hadoop.hbase.io.hfile.HFileBlock$AbstractFSReader.readAtOffset(HFileBlock.java:1443)
>   at org.apache.hadoop.hbase.io.hfile.HFileBlock$FSReaderV2.readBlockDataInternal(HFileBlock.java:1902)
>   at org.apache.hadoop.hbase.io.hfile.HFileBlock$FSReaderV2.readBlockData(HFileBlock.java:1766)
>   at org.apache.hadoop.hbase.io.hfile.HFileReaderV2.readBlock(HFileReaderV2.java:345)
>   at org.apache.hadoop.hbase.io.hfile.HFileBlockIndex$BlockIndexReader.loadDataBlockWithScanInfo(HFileBlockIndex.java:254)
>   at org.apache.hadoop.hbase.io.hfile.HFileReaderV2$AbstractScannerV2.seekTo(HFileReaderV2.java:499)
>   at org.apache.hadoop.hbase.io.hfile.HFileReaderV2$AbstractScannerV2.seekTo(HFileReaderV2.java:520)
>   at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seekAtOrAfter(StoreFileScanner.java:235)
>   at org.apache.hadoop.hbase.regionserver.StoreFileScanner.seek(StoreFileScanner.java:148)
>   ... 14 more



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