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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7704) migration tool that checks presence of HFile V1 files
Date Wed, 10 Apr 2013 23:39:16 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7704?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13628442#comment-13628442
] 

Ted Yu commented on HBASE-7704:
-------------------------------

Compaction would be initiated per region.

Discard my first comment above.
                
> migration tool that checks presence of HFile V1 files
> -----------------------------------------------------
>
>                 Key: HBASE-7704
>                 URL: https://issues.apache.org/jira/browse/HBASE-7704
>             Project: HBase
>          Issue Type: Task
>            Reporter: Ted Yu
>            Assignee: Himanshu Vashishtha
>            Priority: Blocker
>             Fix For: 0.95.1
>
>         Attachments: HBase-7704-v1.patch, HBase-7704-v2.patch, HBase-7704-v3.patch
>
>
> Below was Stack's comment from HBASE-7660:
> Regards the migration 'tool', or 'tool' to check for presence of v1 files, I imagine
it as an addition to the hfile tool http://hbase.apache.org/book.html#hfile_tool2 The hfile
tool already takes a bunch of args including printing out meta. We could add an option to
print out version only – or return 1 if version 1 or some such – and then do a bit of
code to just list all hfiles and run this script against each. Could MR it if too many files.

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