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Date: Thu, 16 Aug 2012 12:44:38 +1100 (NCT)
From: "Jason Dai (JIRA)" <jira@apache.org>
To: issues@hbase.apache.org
Message-ID: <1693562029.17225.1345081478297.JavaMail.jiratomcat@arcas>
Subject: [jira] [Reopened] (HBASE-6529) With HFile v2, the region server
 will always perform an extra copy of source files
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     [ https://issues.apache.org/jira/browse/HBASE-6529?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jason Dai reopened HBASE-6529:
------------------------------

    
> 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
>             Fix For: 0.96.0, 0.94.2
>
>         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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