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From Íñigo Goiri (Jira) <j...@apache.org>
Subject [jira] [Commented] (HDFS-14795) Add Throttler for writing block
Date Wed, 11 Sep 2019 23:10:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-14795?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16928082#comment-16928082

Íñigo Goiri commented on HDFS-14795:

Now I see where the docu description comes form. I would try to extend both descriptions to
make them a little more specific on what a transfer and what a write means.

> 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, HDFS-14795.003.patch,
HDFS-14795.004.patch, HDFS-14795.005.patch, HDFS-14795.006.patch, HDFS-14795.007.patch, HDFS-14795.008.patch,
HDFS-14795.009.patch, HDFS-14795.010.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
> Default throttler value is still null.

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