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From "Jerome Boulon (JIRA)" <j...@apache.org>
Subject [jira] Issue Comment Edited: (CHUKWA-104) Chukwa data collection depends on the permission of the log file
Date Wed, 08 Apr 2009 17:06:13 GMT

    [ https://issues.apache.org/jira/browse/CHUKWA-104?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12697100#action_12697100
] 

Jerome Boulon edited comment on CHUKWA-104 at 4/8/09 10:05 AM:
---------------------------------------------------------------

-1 forcing 644 is not the right way to do it

 here what I think about setting permission in Chukwa Appender:

- use log4j to set permission to the log file, ex: log4j.appender.CHUKWA.readPermission=
-- readPermission field not present in log4j, don't do anything, file permission will use
the default
-- readPermission field set to "All" then setReadable(true, false) otherwise setReadable(true,
true)
-- writePermission field not present in log4j,  don't do anything, file permission will use
the default
-- writePermission field set to "All" then setWritable(true, false) otherwise setReadable(true,
true)

Also, using Java API will make our code portable


      was (Author: jboulon):
    -1 forcing 644 is not the right way to do it

 here what I think about setting permission in Chukwa Appender:

- use log4j to set permission to the log file, ex: log4j.appender.CHUKWA.readPermission=
-- readPermission field not present in log4j, don't do anything, file permission will use
the default
-- readPermission field set to "All" then setReadable(true, false) otherwise setReadable(true,
true)
-- writePermission field not present in log4j,  don't do anything, file permission will use
the default
-- writePermission field set to "All" then setWritable(true, false) otherwise setReadable(true,
true)



  
> Chukwa data collection depends on the permission of the log file
> ----------------------------------------------------------------
>
>                 Key: CHUKWA-104
>                 URL: https://issues.apache.org/jira/browse/CHUKWA-104
>             Project: Hadoop Chukwa
>          Issue Type: Improvement
>          Components: data collection
>         Environment: Redhat 5.1, Java 6
>            Reporter: Eric Yang
>            Priority: Blocker
>         Attachments: CHUKWA-104.patch
>
>
> In ChukwaDailyRollingAppender, the appender should set the file permission to be readable
by ChukwaAgent.  In this release, we are setting it to 644 to be sure that the log file can
be collected by ChukwaAgent.

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