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https://issues.apache.org/jira/browse/HBASE-6529?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13554732#comment-13554732
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Anoop Sam John commented on HBASE-6529:
---------------------------------------
Another JIRA on same issue HBASE-5640
> With HFile v2, the region server will always perform an extra copy of source
> files
> ----------------------------------------------------------------------------------
>
> Key: HBASE-6529
> URL: https://issues.apache.org/jira/browse/HBASE-6529
> Project: HBase
> Issue Type: Bug
> Components: Performance, regionserver
> Affects Versions: 0.94.0, 0.96.0
> Reporter: Jason Dai
> Assignee: Jie Huang
> Fix For: 0.94.2, 0.96.0
>
> Attachments: hbase-6529.094.txt, hbase-6529.diff
>
>
> With HFile v2 implementation in HBase 0.94 & 0.96, the region server will use
> HFileSystem as its {color:blue}fs{color}. When it performs bulk load in
> Store.bulkLoadHFile(), it checks if its {color:blue}fs{color} is the same as
> {color:blue}srcFs{color}, which however will be DistributedFileSystem.
> Consequently, it will always perform an extra copy of source files.
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