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https://issues.apache.org/jira/browse/HDFS-5355?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Junping Du updated HDFS-5355:
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Target Version/s: (was: 2.8.0)
> Hsync Metrics error
> -------------------
>
> Key: HDFS-5355
> URL: https://issues.apache.org/jira/browse/HDFS-5355
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode
> Affects Versions: 2.2.0, 3.0.0-alpha1
> Reporter: haosdent
> Priority: Minor
> Attachments: HDFS-5355.patch
>
>
> The authors before comment "Expect two syncs, one from the hsync, one on
> close" in TestDataNodeMetrics.java. In fact there isn't call sync when close.
> One hsync call would produce two syncs, one for checksum and the other for
> block. I modify relate code and make it looks like the hflush metrics.
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