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https://issues.apache.org/jira/browse/HDFS-15879?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Takanobu Asanuma resolved HDFS-15879.
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Fix Version/s: 3.4.0
Resolution: Fixed
> Exclude slow nodes when choose targets for blocks
> -------------------------------------------------
>
> Key: HDFS-15879
> URL: https://issues.apache.org/jira/browse/HDFS-15879
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: tomscut
> Assignee: tomscut
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.4.0
>
> Time Spent: 4h 40m
> Remaining Estimate: 0h
>
> Previously, we have monitored the slow nodes, related to
> [HDFS-11194|https://issues.apache.org/jira/browse/HDFS-11194].
> We can use a thread to periodically collect these slow nodes into a set. Then
> use the set to filter out slow nodes when choose targets for blocks.
> This feature can be configured to be turned on when needed.
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