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From "Lisheng Sun (Jira)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-14795) Add Throttler for writing block
Date Sat, 31 Aug 2019 05:43:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-14795?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16920032#comment-16920032
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Lisheng Sun commented on HDFS-14795:
------------------------------------

hi [~elgoiri] I have finished this patch,but this patch depends on HDFS-12904. So after HDFS-12904 is
commited to trunk, I upload this patch. Thank you. 

> Add Throttler for writing block
> -------------------------------
>
>                 Key: HDFS-14795
>                 URL: https://issues.apache.org/jira/browse/HDFS-14795
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Lisheng Sun
>            Assignee: Lisheng Sun
>            Priority: Minor
>
> DataXceiver#writeBlock
> {code:java}
> blockReceiver.receiveBlock(mirrorOut, mirrorIn, replyOut,
>             mirrorAddr, null, targets, false);
> {code}
> As above code, DataXceiver#writeBlock doesn't throttler.
>  I think it is necessary to throttle for writing block, while add throttler in stage
of PIPELINE_SETUP_APPEND_RECOVERY or PIPELINE_SETUP_STREAMING_RECOVERY.
> Default throttler value is still null.



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