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https://issues.apache.org/jira/browse/HADOOP-11134?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14693687#comment-14693687
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Junping Du commented on HADOOP-11134:
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I would be very conservative to change default log level behavior (no matter
trunk or branch-2).
There should be many places we assume LOG.info will log some important messages
(don't have to be warn, as it could be information in normal behavior, like
real port number for servers started with ephemeral port settings) with default
settings. The unimportant messages in normal case should be set as debug level
which should be enough. I don't think it is necessary to review all LOG.info
cases (huge or even impossible effort) to make such a trivial changes without
any significant benefit.
I prefer to close this issue as "not a problem". Thoughts?
> Change the default log level of bin/hadoop from INFO to WARN
> ------------------------------------------------------------
>
> Key: HADOOP-11134
> URL: https://issues.apache.org/jira/browse/HADOOP-11134
> Project: Hadoop Common
> Issue Type: Bug
> Components: scripts
> Reporter: Akira AJISAKA
> Priority: Minor
> Labels: newbie
>
> Split from HADOOP-7984. Currently bin/hadoop script outputs INFO messages.
> How about making it to output only WARN and ERROR messages?
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