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https://issues.apache.org/jira/browse/HDFS-17087?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17755310#comment-17755310
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ASF GitHub Bot commented on HDFS-17087:
---------------------------------------

tomscut commented on PR #5845:
URL: https://github.com/apache/hadoop/pull/5845#issuecomment-1681478001

   Thanks @haiyang1987 for your contribution! Thanks @ayushtkn and @Hexiaoqiao 
for the review!




> Add Throttler for datanode reading block 
> -----------------------------------------
>
>                 Key: HDFS-17087
>                 URL: https://issues.apache.org/jira/browse/HDFS-17087
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Haiyang Hu
>            Assignee: Haiyang Hu
>            Priority: Major
>              Labels: pull-request-available
>
> DataXceiver#readBlock code is:
> {code:java}
> ...
>   read = blockSender.sendBlock(out, baseStream, null); // send data
> ..
> {code}
> Current DataXceiver#readBlock doesn't throttler, maybe we can support 
> throttle for reading block satisfied catering for specific scenarios.
> Default read throttler value is still null.



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