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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-974) FileSystem.Statistics should include NN accesses from the clients
Date Fri, 12 Feb 2010 22:24:35 GMT

    [ https://issues.apache.org/jira/browse/HDFS-974?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12833201#action_12833201

Todd Lipcon commented on HDFS-974:

+1. We've run into that too.

I question whether FileSystem.Statistics is the right place for it, though - since that's
a Common class, it seems odd to add a field to it that's HDFS specific. Is the idea to add
arbitrary key/value statistics to FS.Statistics?

> FileSystem.Statistics should include NN accesses from the clients
> -----------------------------------------------------------------
>                 Key: HDFS-974
>                 URL: https://issues.apache.org/jira/browse/HDFS-974
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: hdfs client
>            Reporter: Arun C Murthy
>            Assignee: Sanjay Radia
>             Fix For: 0.22.0
> It is a very useful metric to track, we can track per-task and hence per-job stats through
Counters etc.

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