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Posted to issues@hbase.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2016/04/29 23:22:13 UTC
[jira] [Updated] (HBASE-15357) TableInputFormatBase getSplitKey
does not handle signed bytes correctly
[ https://issues.apache.org/jira/browse/HBASE-15357?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ted Yu updated HBASE-15357:
---------------------------
Attachment: 15357.v2.txt
Patch v2 is rebased on master branch.
> 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
> 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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