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Posted to hdfs-dev@hadoop.apache.org by "Allen Wittenauer (JIRA)" <ji...@apache.org> on 2014/07/19 00:20:12 UTC

[jira] [Resolved] (HDFS-271) Metrics on Secondary namenode's activity

     [ https://issues.apache.org/jira/browse/HDFS-271?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Allen Wittenauer resolved HDFS-271.
-----------------------------------

    Resolution: Won't Fix

I'm going to close this as Won't Fix.  Sites that have large NNs will likely deploy QJM or equiv, making this change unnecessary.


> Metrics on Secondary namenode's activity
> ----------------------------------------
>
>                 Key: HDFS-271
>                 URL: https://issues.apache.org/jira/browse/HDFS-271
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Koji Noguchi
>            Priority: Minor
>
> To monitor secondary namenode's activiely, we currently rely on 'delete' metrics when it replays the edits.
> (HADOOP-1495) 
> Requesting for new metrics that shows secondary namenode's activity.
> Maybe the size of the fsimage/edits being read and written.



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