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From "Suresh Srinivas (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-4122) Cleanup HDFS logs and reduce the size of logged messages
Date Mon, 29 Oct 2012 17:26:12 GMT

     [ https://issues.apache.org/jira/browse/HDFS-4122?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Suresh Srinivas updated HDFS-4122:
----------------------------------

    Release Note: The change from this jira changes the content of some of the log messages.
No log message are removed. Only the content of the log messages is changed to reduce the
size. If you have a tool that depends on the exact content of the log, please look at the
patch and make appropriate updates to the tool.
    
> 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
>          Components: data-node, hdfs client, name-node
>    Affects Versions: 1.0.0, 2.0.0-alpha
>            Reporter: Suresh Srinivas
>            Assignee: Suresh Srinivas
>             Fix For: 1.2.0, 3.0.0
>
>         Attachments: log.chatty.cleanup.branch1.patch, log.chatty.cleanup.branch1.patch,
log.chatty.cleanup.branch1.patch, log.chatty.cleanup.trunk.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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