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From "Xiao Chen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-14515) Specifically configure zookeeper-related log levels in KMS log4j
Date Wed, 28 Jun 2017 06:48:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-14515?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16066002#comment-16066002

Xiao Chen commented on HADOOP-14515:

Log level changes so no test added.
Thanks again, Yongjun. Committing this..

> Specifically configure zookeeper-related log levels in KMS log4j
> ----------------------------------------------------------------
>                 Key: HADOOP-14515
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14515
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: kms
>    Affects Versions: 2.6.0
>            Reporter: Xiao Chen
>            Assignee: Xiao Chen
>             Fix For: 2.9.0, 3.0.0-alpha4, 2.8.2
>         Attachments: HADOOP-14515.01.patch, HADOOP-14515.addendum.patch
> When investigating a case, we tried to turn on KMS DEBUG by setting the root logger in
the log4j to DEBUG. This ends up making {{org.apache.zookeeper.ClientCnxn}} to generate 199.2M
out of a 200M log file, which made the kms.log rotate very quickly.
> We should keep zookeeper's log unaffected by the root logger, and only turn it on when

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