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https://issues.apache.org/jira/browse/HDFS-13641?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16511047#comment-16511047
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Hudson commented on HDFS-13641:
-------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #14420 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/14420/])
HDFS-13641. Add metrics for edit log tailing. Contributed by Chao Sun. (yqlin:
rev 8e7548d33be9c4874daab18b2e774bdc2ed216d3)
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/metrics/NameNodeMetrics.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/metrics/TestNameNodeMetrics.java
* (edit)
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/test/MetricsAsserts.java
* (edit) hadoop-common-project/hadoop-common/src/site/markdown/Metrics.md
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/ha/EditLogTailer.java
> Add metrics for edit log tailing
> ---------------------------------
>
> Key: HDFS-13641
> URL: https://issues.apache.org/jira/browse/HDFS-13641
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: metrics
> Affects Versions: 3.0.3
> Reporter: Chao Sun
> Assignee: Chao Sun
> Priority: Major
> Fix For: 3.2.0, 3.1.1, 3.0.4
>
> Attachments: HDFS-13641-HDFS-12943.000.patch, HDFS-13641.000.patch,
> HDFS-13641.001.patch, HDFS-13641.002.patch, HDFS-13641.003.patch
>
>
> We should add metrics for each iteration of edit log tailing, including 1) #
> of edits loaded, 2) time spent in select input edit stream, 3) time spent in
> loading the edits, 4) interval between the iterations.
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