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https://issues.apache.org/jira/browse/HDFS-16971?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17711967#comment-17711967
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ASF GitHub Bot commented on HDFS-16971:
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goiri merged PR #5536:
URL: https://github.com/apache/hadoop/pull/5536
> Add read time metrics for remote reads in Statistics
> ----------------------------------------------------
>
> Key: HDFS-16971
> URL: https://issues.apache.org/jira/browse/HDFS-16971
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs
> Reporter: Melissa You
> Priority: Minor
> Labels: pull-request-available
> Fix For: 3.3.0, 3.4.0
>
>
> In Filesystem.java, currently it only collects bytes read not the
> corresponding timing of reads.
> In particular, we're interested in time spent on remote reads(not local
> reads). Adding timing info will help us understand it better and further
> analyze how locality of DN behaves.
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