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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-15357) TableInputFormatBase getSplitKey does not handle signed bytes correctly
Date Fri, 29 Apr 2016 21:23:12 GMT

     [ https://issues.apache.org/jira/browse/HBASE-15357?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ted Yu updated HBASE-15357:
---------------------------
     Hadoop Flags: Reviewed
    Fix Version/s: 2.0.0

> TableInputFormatBase getSplitKey does not handle signed bytes correctly
> -----------------------------------------------------------------------
>
>                 Key: HBASE-15357
>                 URL: https://issues.apache.org/jira/browse/HBASE-15357
>             Project: HBase
>          Issue Type: Bug
>          Components: mapreduce
>            Reporter: Nathan Schile
>            Assignee: Nathan Schile
>             Fix For: 2.0.0
>
>         Attachments: 15357.v2.txt, HBASE-15357.patch
>
>
> When auto-balance is enabled in TableInputFormatBase and the table key is a binary key,
the getSplitKey method does not function correctly for signed bytes. The proposed solution
it to utilize org.apache.hadoop.hbase.util.Bytes#split method to find the split key. org.apache.hadoop.hbase.util.Bytes#split
is stated to be a expensive operation, so if another solution is preferred, that is fine.
In addition, handling of a split key that is equal to the TableSplit end key is added to calculateRebalancedSplits.



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