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https://issues.apache.org/jira/browse/HDFS-6403?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14031470#comment-14031470
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Yongjun Zhang commented on HDFS-6403:
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Hi [~atm], Todd has been super busy, he suggested me if I could get help from
you. Would you please here? thanks a lot!
> Add metrics for log warnings reported by JVM pauses
> ---------------------------------------------------
>
> Key: HDFS-6403
> URL: https://issues.apache.org/jira/browse/HDFS-6403
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode, namenode
> Affects Versions: 2.4.0
> Reporter: Yongjun Zhang
> Assignee: Yongjun Zhang
> Attachments: HDFS-6403.001.patch, HDFS-6403.002.patch
>
>
> HADOOP-9618 logs warnings when there are long GC pauses. If this is exposed
> as a metric, then they can be monitored.
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