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https://issues.apache.org/jira/browse/HDFS-12198?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16116447#comment-16116447
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Yiqun Lin edited comment on HDFS-12198 at 8/7/17 11:28 AM:
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Thanks [~ajisakaa], attach the patch for branch-2. I noticed one thing that
HADOOP-14502 didn't committed in branch-2. So I only added related metrics to
other two JIRAs add missing block report MutableQuantiles metric in patch.
was (Author: linyiqun):
Thanks [~ajisakaa], attach the patch for branch-2. I noticed one thing that
HADOOP-14502 didn't committed in branch-2. So I only added metrics related to
other two JIRAs in patch.
> Document missing namenode metrics that were added recently
> ----------------------------------------------------------
>
> Key: HDFS-12198
> URL: https://issues.apache.org/jira/browse/HDFS-12198
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: documentation
> Affects Versions: 3.0.0-alpha4
> Reporter: Yiqun Lin
> Assignee: Yiqun Lin
> Priority: Minor
> Fix For: 3.0.0-beta1
>
> Attachments: HDFS-12198.001.patch, HDFS-12198-branch-2.001.patch
>
>
> There are some namenode metrics added recently but haven't been documented in
> {{Metrics.md}}. Totally following metrics and related JIRAs:
> *HDFS-12043*:
> {noformat}
> @Metric ("Number of successful re-replications")
> MutableCounterLong successfulReReplications;
> @Metric ("Number of times we failed to schedule a block re-replication.")
> MutableCounterLong numTimesReReplicationNotScheduled;
> @Metric("Number of timed out block re-replications")
> MutableCounterLong timeoutReReplications;
> {noformat}
> *HDFS-11907*:
> {noformat}
> @Metric("Resource check time") private MutableRate resourceCheckTime;
> private final MutableQuantiles[] resourceCheckTimeQuantiles;
> {noformat}
> *HADOOP-14502*:
> {noformat}
> @Metric("Number of blockReports from individual storages")
> final MutableRate storageBlockReport;
> final MutableQuantiles[] storageBlockReportQuantiles;
> {noformat}
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