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Posted to issues@hbase.apache.org by "ramkrishna.s.vasudevan (JIRA)" <ji...@apache.org> on 2016/11/04 14:52:58 UTC

[jira] [Commented] (HBASE-17021) Use RingBuffer to reduce the contention in AsyncFSWAL

    [ https://issues.apache.org/jira/browse/HBASE-17021?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15636559#comment-15636559 ] 

ramkrishna.s.vasudevan commented on HBASE-17021:
------------------------------------------------

Are you sure that contention was the only problem with AsyncFSWAL and its slower performance?

> Use RingBuffer to reduce the contention in AsyncFSWAL
> -----------------------------------------------------
>
>                 Key: HBASE-17021
>                 URL: https://issues.apache.org/jira/browse/HBASE-17021
>             Project: HBase
>          Issue Type: Sub-task
>          Components: wal
>    Affects Versions: 2.0.0
>            Reporter: Duo Zhang
>            Assignee: Duo Zhang
>             Fix For: 2.0.0
>
>         Attachments: HBASE-17021.patch
>
>
> The WALPE result in HBASE-16890 shows that with disruptor's RingBuffer we can get a better performance.



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