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https://issues.apache.org/jira/browse/HDFS-11274?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15784160#comment-15784160
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Arpit Agarwal commented on HDFS-11274:
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+1 for the v6 patch. Thanks [~xyao].
> Datanode should only check the failed volume upon IO errors
> ------------------------------------------------------------
>
> Key: HDFS-11274
> URL: https://issues.apache.org/jira/browse/HDFS-11274
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
> Reporter: Xiaoyu Yao
> Assignee: Xiaoyu Yao
> Attachments: HDFS-11274.01.patch, HDFS-11274.02.patch,
> HDFS-11274.03.patch, HDFS-11274.04.patch, HDFS-11274.05.patch,
> HDFS-11274.06.patch
>
>
> This is a performance improvement that is possible after HDFS-11182. The goal
> is to trigger async volume check with throttling only on suspected volume
> upon datanode file IO errors.
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