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From "Lisheng Sun (Jira)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-14795) Add Throttler for writing block
Date Sat, 07 Sep 2019 01:50:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-14795?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16924697#comment-16924697
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Lisheng Sun commented on HDFS-14795:
------------------------------------

Thanks [~elgoiri] for good suggestions. I will update this patch later.

> 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
>         Attachments: HDFS-14795.001.patch, HDFS-14795.002.patch
>
>
> 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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