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From "Ari Rabkin (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CHUKWA-443) HDFS metrics log to the same filename from both namenode and secondary namenode
Date Wed, 30 Dec 2009 05:11:29 GMT

    [ https://issues.apache.org/jira/browse/CHUKWA-443?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12795239#action_12795239
] 

Ari Rabkin commented on CHUKWA-443:
-----------------------------------

However, we really ought to write up some directions about how to modify Hadoop to log via
chukwa.

> HDFS metrics log to the same filename from both namenode and secondary namenode
> -------------------------------------------------------------------------------
>
>                 Key: CHUKWA-443
>                 URL: https://issues.apache.org/jira/browse/CHUKWA-443
>             Project: Hadoop Chukwa
>          Issue Type: Bug
>          Components: input tools
>         Environment: Redhat EL 5.1, Java 6
>            Reporter: Eric Yang
>            Assignee: Eric Yang
>             Fix For: 0.4.0
>
>         Attachments: CHUKWA-443.patch
>
>
> In hadoop-metrics.properties template file, the hdfs metrics is configured to log to
CHUKWA_LOG_DIR/metrics/<username>-dfs-metrics.log.  If the user has both namenode and
secondary namenode running on the same machine, the metrics are logged to the same filename.
 The default template should use uuid flag to distinguish the metrics for different processes.

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