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https://issues.apache.org/jira/browse/HDFS-12502?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16210677#comment-16210677
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Hudson commented on HDFS-12502:
-------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #13105 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/13105/])
HDFS-12502. nntop should support a category based on (zhz: rev
60bfee270ed3a653c44c0bc92396167b5022df6e)
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/top/metrics/TopMetrics.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/metrics/TestTopMetrics.java
> nntop should support a category based on FilesInGetListingOps
> -------------------------------------------------------------
>
> Key: HDFS-12502
> URL: https://issues.apache.org/jira/browse/HDFS-12502
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: metrics
> Reporter: Zhe Zhang
> Assignee: Zhe Zhang
> Attachments: HDFS-12502.00.patch, HDFS-12502.01.patch,
> HDFS-12502.02.patch, HDFS-12502.03.patch, HDFS-12502.04.patch
>
>
> Large listing ops can oftentimes be the main contributor to NameNode
> slowness. The aggregate cost of listing ops is proportional to the
> {{FilesInGetListingOps}} rather than the number of listing ops. Therefore
> it'd be very useful for nntop to support this category.
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