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From "Chris Nauroth (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5336) DataNode should not output 'StartupProgress' metrics
Date Wed, 16 Oct 2013 22:18:42 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5336?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13797354#comment-13797354

Chris Nauroth commented on HDFS-5336:

Thanks for the patch, Akira.  I built and verified that startup progress metrics only showed
up in namenode and not datanode.

bq. Change the context of the startup metrics from 'default' to 'dfs'.

Unfortunately, I think this would be backwards-incompatible.  For example, if someone was
using metrics filtering, then their filtering configuration under the old context would stop
working.  Can we please remove this part of the change?

> DataNode should not output 'StartupProgress' metrics
> ----------------------------------------------------
>                 Key: HDFS-5336
>                 URL: https://issues.apache.org/jira/browse/HDFS-5336
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>    Affects Versions: 2.1.0-beta
>         Environment: trunk
>            Reporter: Akira AJISAKA
>            Assignee: Akira AJISAKA
>            Priority: Minor
>              Labels: metrics
>         Attachments: HDFS-5336.patch
> I found the following metrics output from DataNode.
> {code}
> 1381355455731 default.StartupProgress: Hostname=trunk, ElapsedTime=0, PercentComplete=0.0,
LoadingFsImageCount=0, LoadingFsImageElapsedTime=0, LoadingFsImageTotal=0, LoadingFsImagePercentComplete=0.0,
LoadingEditsCount=0, LoadingEditsElapsedTime=0, LoadingEditsTotal=0, LoadingEditsPercentComplete=0.0,
SavingCheckpointCount=0, SavingCheckpointElapsedTime=0, SavingCheckpointTotal=0, SavingCheckpointPercentComplete=0.0,
SafeModeCount=0, SafeModeElapsedTime=0, SafeModeTotal=0, SafeModePercentComplete=0.0
> {code}
> DataNode should not output 'StartupProgress' metrics because the metrics shows the progress
of NameNode startup.

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