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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HBASE-1200) Add bloomfilters
Date Wed, 19 May 2010 22:19:58 GMT

     [ https://issues.apache.org/jira/browse/HBASE-1200?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

stack updated HBASE-1200:

          Status: Resolved  (was: Patch Available)
    Hadoop Flags: [Reviewed]
      Resolution: Fixed

Thanks for the patch Nicolas.  Sweet.  Thanks for reviews Todd.

> Add bloomfilters
> ----------------
>                 Key: HBASE-1200
>                 URL: https://issues.apache.org/jira/browse/HBASE-1200
>             Project: Hadoop HBase
>          Issue Type: Task
>    Affects Versions: 0.20.5
>            Reporter: stack
>            Assignee: Nicolas Spiegelberg
>             Fix For: 0.21.0
>         Attachments: 1200-trunk.txt, Bloom Filters in HBase.docx, Bloom_Filters_in_HBase.pdf,
HBASE-1200-0.20.5-4.patch, HBASE-1200-0.20.5.patch, hbase-1200-0.20branch-v2.txt, ryan_bloomfilter.patch,
Store.java.rej, StoreScanner.java.rej
> Add bloomfiltering to hfile.  Can be enabled on a family-level basis.  Ability to configure
a row vs row+col level bloom.  We size the bloomfilter with the number of entries we are about
to flush which seems like usually we'd be making a filter too big, so our implementation needs
to take that into account.

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