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From "Nigel Daley (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-4060) [HOD] Make HOD to roll log files on the client
Date Thu, 11 Sep 2008 19:17:45 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-4060?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Nigel Daley updated HADOOP-4060:
--------------------------------

       Resolution: Fixed
    Fix Version/s:     (was: 0.19.0)
     Hadoop Flags: [Incompatible change, Reviewed]  (was: [Reviewed, Incompatible change])
           Status: Resolved  (was: Patch Available)

Commit merged to branch-0.18.

> [HOD] Make HOD to roll log files on the client 
> -----------------------------------------------
>
>                 Key: HADOOP-4060
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4060
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: contrib/hod
>            Reporter: Hemanth Yamijala
>            Assignee: Vinod K V
>            Priority: Blocker
>             Fix For: 0.18.1
>
>         Attachments: HOD-LOG-ROTATION.1.txt, HOD-LOG-ROTATION.txt
>
>
> Currently HOD writes a log file on the client in the cluster directory, named hod-<username>.log.
This file is appended to for each run of hod allocation that runs on the same cluster directory.
Thus, the file can become quite large - particularly if the job is queued for a long time.
If there are problems with the HOD client subsequently, this could result in stale file handles
pointing to this large file, and cause disk space to fill up. Another problem is that a large
log file is usually unusable for a user.

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