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Posted to issues@hbase.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2016/03/29 17:12:25 UTC

[jira] [Commented] (HBASE-15480) Bloom Filter check needs to be more efficient for array

    [ https://issues.apache.org/jira/browse/HBASE-15480?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15216155#comment-15216155 ] 

Ted Yu commented on HBASE-15480:
--------------------------------

Can you post improvement in performance with the patch ?

> Bloom Filter check needs to be more efficient for array
> -------------------------------------------------------
>
>                 Key: HBASE-15480
>                 URL: https://issues.apache.org/jira/browse/HBASE-15480
>             Project: HBase
>          Issue Type: Improvement
>          Components: Performance
>    Affects Versions: 1.0.3
>            Reporter: Walter Koetke
>            Assignee: Walter Koetke
>             Fix For: 1.0.4
>
>         Attachments: HBASE-15480-branch-1.0.patch
>
>
> It is currently inefficient to do lots of bloom filter checks. Each check has overhead like going to the block cache to retrieve the block and recording metrics. It would be good to have one bloom filter check api that does a bunch of checks without so much block retrieval and metrics updates.



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