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https://issues.apache.org/jira/browse/HDFS-6403?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14038909#comment-14038909
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Hudson commented on HDFS-6403:
------------------------------
FAILURE: Integrated in Hadoop-Mapreduce-trunk #1807 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1807/])
HDFS-6403. Add metrics for log warnings reported by JVM pauses. Contributed by
Yongjun Zhang. (atm:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1604074)
*
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/source/JvmMetrics.java
*
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/source/JvmMetricsInfo.java
*
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/JvmPauseMonitor.java
*
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/site/apt/Metrics.apt.vm
*
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/metrics2/source/TestJvmMetrics.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/metrics/DataNodeMetrics.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNode.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/metrics/NameNodeMetrics.java
> Add metrics for log warnings reported by JVM pauses
> ---------------------------------------------------
>
> Key: HDFS-6403
> URL: https://issues.apache.org/jira/browse/HDFS-6403
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode, namenode
> Affects Versions: 2.4.0
> Reporter: Yongjun Zhang
> Assignee: Yongjun Zhang
> Fix For: 2.5.0
>
> Attachments: HDFS-6403.001.patch, HDFS-6403.002.patch,
> HDFS-6403.003.patch, HDFS-6403.004.patch, HDFS-6403.005.patch
>
>
> HADOOP-9618 logs warnings when there are long GC pauses. If this is exposed
> as a metric, then they can be monitored.
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