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From "Vinayakumar B (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8953) DataNode Metrics logging
Date Thu, 10 Sep 2015 12:49:45 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8953?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14738694#comment-14738694
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Vinayakumar B commented on HDFS-8953:
-------------------------------------

bq. 1. After HDFS-9009, NN metrics are also configured to NullAppender by default. So, we
can keep as it is.
Okay. Thanks for pointing out.
bq. 2. Yes, some of the attribute values like VolumeInfo are long. So, I avoided trim in DN
metrics log.
Fine.
bq. 3. Thanks for pointing, I have removed the public accessor in latest patch.
Okay.

+1, changes looks good to me.

[~arpitagarwal], do you also want to take a look?

Will wait for a day before commit.
-Thanks

> DataNode Metrics logging
> ------------------------
>
>                 Key: HDFS-8953
>                 URL: https://issues.apache.org/jira/browse/HDFS-8953
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Kanaka Kumar Avvaru
>            Assignee: Kanaka Kumar Avvaru
>         Attachments: HDFS-8953-01.patch, HDFS-8953-02.patch, HDFS-8953-03.patch
>
>
> HDFS-8880 added metrics logging at NameNode. Similarly, this JIRA is to  add a separate
logger for metrics at DN



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