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From "Colin Patrick McCabe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3611) NameNode prints unnecessary WARNs about edit log normally skipping a few bytes
Date Tue, 10 Jul 2012 05:36:35 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3611?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13410061#comment-13410061

Colin Patrick McCabe commented on HDFS-3611:

I guess changing it to an INFO might be appropriate.  It's definitely not worth a WARN.
> NameNode prints unnecessary WARNs about edit log normally skipping a few bytes
> ------------------------------------------------------------------------------
>                 Key: HDFS-3611
>                 URL: https://issues.apache.org/jira/browse/HDFS-3611
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: name-node
>    Affects Versions: 2.0.0-alpha
>            Reporter: Harsh J
>            Priority: Trivial
>              Labels: newbie
> The NameNode currently warns these form of lines at every startup, even if there's no
trouble really. For instance, the below is from a NN startup that was only just freshly formatted.
> {code}
> 12/07/08 20:00:22 WARN namenode.EditLogInputStream: skipping 1048563 bytes at the end
of edit log  '/Users/harshchouraria/Work/installs/temp-space/tmp-default/dfs-cdh4/data/current/edits_0000000000000000003-0000000000000000003':
reached txid 3 out of 3
> {code}
> If this skipping is not really a cause for warning, we should not log it at a WARN level
but at an INFO or even DEBUG one. Avoids users getting unnecessarily concerned.

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