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Date: Sat, 23 Feb 2013 17:14:13 +0000 (UTC)
From: "Ted Yu (JIRA)" <jira@apache.org>
To: issues@hbase.apache.org
Message-ID: <JIRA.12633120.1361325273849.328609.1361639653246@arcas>
In-Reply-To: <JIRA.12633120.1361325273849@arcas>
References: <JIRA.12633120.1361325273849@arcas>
Subject: [jira] [Commented] (HBASE-7884) ByteBloomFilter's performance can
 be improved by avoiding multiplication when generating hash
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    [ https://issues.apache.org/jira/browse/HBASE-7884?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13585169#comment-13585169 ] 

Ted Yu commented on HBASE-7884:
-------------------------------

I think the improvement is significant.

[~clockfly]:
Mind attaching patch for 0.94 ?
                
> ByteBloomFilter's performance can be improved by avoiding multiplication when generating hash 
> ----------------------------------------------------------------------------------------------
>
>                 Key: HBASE-7884
>                 URL: https://issues.apache.org/jira/browse/HBASE-7884
>             Project: HBase
>          Issue Type: Bug
>          Components: Performance
>    Affects Versions: 0.94.5
>            Reporter: clockfly
>            Priority: Minor
>             Fix For: 0.96.0, 0.94.6
>
>         Attachments: bloom_optimization_trunk_patch.patch, bloom_performance_tunning.patch, hbase-7884-performance-report.pdf
>
>
> ByteBloomFilter's performance can be optimized by avoiding multiplication operation when generating hash 

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