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From "Suresh Srinivas (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4122) Cleanup HDFS logs and reduce the size of logged messages
Date Sun, 28 Oct 2012 18:03:12 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4122?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13485680#comment-13485680
] 

Suresh Srinivas commented on HDFS-4122:
---------------------------------------

@Harsh, I think we should the change you suggested in another jira. Another thing we should
as a part of it is, there are times when only the message from the exception is printed. We
should document those logs to make it explicit to ensure some one do not change it back to
print the entire stack exception.
                
> Cleanup HDFS logs and reduce the size of logged messages
> --------------------------------------------------------
>
>                 Key: HDFS-4122
>                 URL: https://issues.apache.org/jira/browse/HDFS-4122
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 1.0.0, 2.0.0-alpha
>            Reporter: Suresh Srinivas
>            Assignee: Suresh Srinivas
>         Attachments: log.chatty.cleanup.branch1.patch, log.chatty.cleanup.trunk.patch,
log.chatty.cleanup.trunk.patch
>
>
> I have attached the patch that removes unnecessary information from the log such as "Namesystem."
and prefixing file information with "file" and block information with "block" etc.
> On a branch-1 log I saw it reduce the log size by ~10%.

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