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https://issues.apache.org/jira/browse/HDFS-16994?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17724747#comment-17724747
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ASF GitHub Bot commented on HDFS-16994:
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hfutatzhanghb closed pull request #5600: HDFS-16994.
NumTimedOutPendingReconstructions metrics should not be accumulated
URL: https://github.com/apache/hadoop/pull/5600
> NumTimedOutPendingReconstructions metrics should not be accumulated
> -------------------------------------------------------------------
>
> Key: HDFS-16994
> URL: https://issues.apache.org/jira/browse/HDFS-16994
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: farmmamba
> Priority: Minor
> Labels: pull-request-available
>
> For now, the NumTimedOutPendingReconstructions metric is computed by below
> statement:
> {code:java}
> timedOutCount + timedOutItems.size(); {code}
> Therefore, its value would always be accumulated unless namenode failover
> happens.
> In fact, the NumTimedOutPendingReconstructions metric should not be
> accumulated, So, we should set it to zero after we execute getNumTimedOuts
> method.
> The UT TestPendingReconstruction#testPendingReconstruction was passed.
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