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From "churro morales (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-11195) Potentially improve block locality during major compaction for old regions
Date Fri, 23 May 2014 00:31:02 GMT

     [ https://issues.apache.org/jira/browse/HBASE-11195?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

churro morales updated HBASE-11195:
-----------------------------------

    Attachment: HBASE-11195-trunk-v2.patch

> Potentially improve block locality during major compaction for old regions
> --------------------------------------------------------------------------
>
>                 Key: HBASE-11195
>                 URL: https://issues.apache.org/jira/browse/HBASE-11195
>             Project: HBase
>          Issue Type: Improvement
>    Affects Versions: 0.94.19
>            Reporter: churro morales
>            Assignee: churro morales
>         Attachments: HBASE-11195-0.94.patch, HBASE-11195-trunk-v2.patch, HBASE-11195-trunk.patch
>
>
> This might be a specific use case.  But we have some regions which are no longer written
to (due to the key).  Those regions have 1 store file and they are very old, they haven't
been written to in a while.  We still use these regions to read from so locality would be
nice.  
> I propose putting a configuration option: something like
> hbase.hstore.min.locality.to.skip.major.compact [between 0 and 1]
> such that you can decide whether or not to skip major compaction for an old region with
a single store file.
> I'll attach a patch, let me know what you guys think.



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