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From "binlijin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-16502) Reduce garbage in BufferedDataBlockEncoder
Date Thu, 25 Aug 2016 13:15:20 GMT

    [ https://issues.apache.org/jira/browse/HBASE-16502?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15436830#comment-15436830

binlijin commented on HBASE-16502:

I am doing HBASE-16213, and the HBASE-16213_branch1_v3.patch have the same problem, when i
test the E2E performance, i find valueLength=1k, the performance slow than NONE encoding,
and i find the different is gc, than i find it.

> Reduce garbage in BufferedDataBlockEncoder
> ------------------------------------------
>                 Key: HBASE-16502
>                 URL: https://issues.apache.org/jira/browse/HBASE-16502
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: binlijin
>            Assignee: binlijin
>         Attachments: HBASE-16502-master.patch
> In BufferedDataBlockEncoder.SeekerState every read will new a tagsBuffer for  compressTags.
There is no need when no tags or compressTags=false, so we can reduce this new byte[] to reduce

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