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https://issues.apache.org/jira/browse/HDFS-11281?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15784386#comment-15784386
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Yiqun Lin edited comment on HDFS-11281 at 12/29/16 3:27 AM:
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Attach a simple patch to have a quick fix. Please have a review, [~xyao].
Thanks.
was (Author: linyiqun):
Attach a simple patch to have a quick fix.
> The metric of fileIoErrorRate not counted in DataNodeVolumeMetrics
> ------------------------------------------------------------------
>
> Key: HDFS-11281
> URL: https://issues.apache.org/jira/browse/HDFS-11281
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 3.0.0-alpha2
> Reporter: Yiqun Lin
> Assignee: Yiqun Lin
> Priority: Minor
> Attachments: HDFS-11281.001.patch
>
>
> The metric of fileIoErrorRate not counted in {{DataNodeVolumeMetrics}}. The
> relevant codes:
> {code}
> public void addFileIoError(final long latency) {
> totalFileIoErrors.incr();
> metadataOperationRate.add(latency);
> }
> {code}
> Here the metric {{metadataOperationRate}} should be {{fileIoErrorRate}}. Two
> reasons: 1.metadataOperationRate has been counted in
> {{addMetadastaOperationLatency}}. 2.{{fileIoErrorRate}} is never counted in
> the class {{DataNodeVolumeMetrics}}.
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