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Posted to issues@hbase.apache.org by "Liang Xie (JIRA)" <ji...@apache.org> on 2013/03/06 11:38:14 UTC

[jira] [Updated] (HBASE-7845) optimize hfile index key

     [ https://issues.apache.org/jira/browse/HBASE-7845?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Liang Xie updated HBASE-7845:
-----------------------------

    Attachment: HBASE-7845-v3.txt

I'd done a workable version on our internal 0.94.3 codebase. Attached v3 is a patch for trunk, i merged it manually, let's see what QA robot will say:)
                
> optimize hfile index key
> ------------------------
>
>                 Key: HBASE-7845
>                 URL: https://issues.apache.org/jira/browse/HBASE-7845
>             Project: HBase
>          Issue Type: Improvement
>          Components: HFile
>    Affects Versions: 0.96.0
>            Reporter: Liang Xie
>            Assignee: Liang Xie
>         Attachments: HBASE-7845.txt, HBASE-7845-v2.txt, HBASE-7845-v3.txt
>
>
> Leveldb uses ByteWiseComparatorImpl::FindShortestSeparator() & FindShortSuccessor() to reduce index key size, it would be helpful under special conditions.

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