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Date: Wed, 25 Apr 2012 17:36:20 +0000 (UTC)
From: "dhruba borthakur (JIRA)" <jira@apache.org>
To: issues@hbase.apache.org
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Subject: [jira] [Commented] (HBASE-5864) Error while reading from hfile in
 0.94
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    [ https://issues.apache.org/jira/browse/HBASE-5864?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13261831#comment-13261831 ] 

dhruba borthakur commented on HBASE-5864:
-----------------------------------------

Thanks for finding this ramkrishna. I can see how the bug is occuring, very good analysis and thanks for finding it. I m trying to digest the fix you are providing.
                
> Error while reading from hfile in 0.94
> --------------------------------------
>
>                 Key: HBASE-5864
>                 URL: https://issues.apache.org/jira/browse/HBASE-5864
>             Project: HBase
>          Issue Type: Bug
>          Components: regionserver
>    Affects Versions: 0.94.0
>            Reporter: Gopinathan A
>            Assignee: ramkrishna.s.vasudevan
>            Priority: Blocker
>             Fix For: 0.94.0
>
>         Attachments: HBASE-5864_1.patch, HBASE-5864_2.patch, HBASE-5864_3.patch, HBASE-5864_test.patch
>
>
> Got the following stacktrace during region split.
> {noformat}
> 2012-04-24 16:05:42,168 WARN org.apache.hadoop.hbase.regionserver.Store: Failed getting store size for value
> java.io.IOException: Requested block is out of range: 2906737606134037404, lastDataBlockOffset: 84764558
> 	at org.apache.hadoop.hbase.io.hfile.HFileReaderV2.readBlock(HFileReaderV2.java:278)
> 	at org.apache.hadoop.hbase.io.hfile.HFileBlockIndex$BlockIndexReader.midkey(HFileBlockIndex.java:285)
> 	at org.apache.hadoop.hbase.io.hfile.HFileReaderV2.midkey(HFileReaderV2.java:402)
> 	at org.apache.hadoop.hbase.regionserver.StoreFile$Reader.midkey(StoreFile.java:1638)
> 	at org.apache.hadoop.hbase.regionserver.Store.getSplitPoint(Store.java:1943)
> 	at org.apache.hadoop.hbase.regionserver.RegionSplitPolicy.getSplitPoint(RegionSplitPolicy.java:77)
> 	at org.apache.hadoop.hbase.regionserver.HRegion.checkSplit(HRegion.java:4921)
> 	at org.apache.hadoop.hbase.regionserver.HRegionServer.splitRegion(HRegionServer.java:2901)
> {noformat}

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