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From "Arpit Agarwal (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9941) Do not log StandbyException on NN, other minor logging fixes
Date Fri, 11 Mar 2016 02:26:40 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9941?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15190373#comment-15190373

Arpit Agarwal commented on HDFS-9941:

Actually turns out I was confused. The dispatch doesn't work the way I thought. Let me update
the v2 patch. Thanks for catching this.

> Do not log StandbyException on NN, other minor logging fixes
> ------------------------------------------------------------
>                 Key: HDFS-9941
>                 URL: https://issues.apache.org/jira/browse/HDFS-9941
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>    Affects Versions: 2.8.0
>            Reporter: Arpit Agarwal
>            Assignee: Arpit Agarwal
>         Attachments: HDFS-9941.01.patch, HDFS-9941.02.patch
> The NameNode can skip logging StandbyException messages. These are seen regularly in
normal operation and convey no useful information.
> We no longer log the locations of newly allocated blocks in 2.8.0. The DN IDs can be
useful for debugging so let's add that back.

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