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From "Ahmed Fathalla (JIRA)" <j...@apache.org>
Subject [jira] Updated: (CHUKWA-4) Collectors don't finish writing .done datasink from last .chukwa datasink when stopped using bin/stop-collectors
Date Sat, 24 Apr 2010 14:35:50 GMT

     [ https://issues.apache.org/jira/browse/CHUKWA-4?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ahmed Fathalla updated CHUKWA-4:
--------------------------------

    Attachment: CHUKWA-4.2.patch

I've uploaded a new patch where I have moved the close() methods as Jerome advised. I've also
moved the cleanup code that was in the unit test into a separate tearDown() method.

I've tested my code with an empty .chukwa file and it correctly converts it to .done.

Regarding creating an InErrorDirectory, do we actually need that or would it be an unnecessary
complication? This also depends on how you would define an invalid .chukwa file?


> Collectors don't finish writing .done datasink from last .chukwa datasink when stopped
using bin/stop-collectors
> ----------------------------------------------------------------------------------------------------------------
>
>                 Key: CHUKWA-4
>                 URL: https://issues.apache.org/jira/browse/CHUKWA-4
>             Project: Hadoop Chukwa
>          Issue Type: Bug
>          Components: data collection
>         Environment: I am running on our local cluster. This is a linux machine that
I also run Hadoop cluster from.
>            Reporter: Andy Konwinski
>            Priority: Minor
>         Attachments: CHUKWA-4.2.patch, CHUKWA-4.patch
>
>
> When I use start-collectors, it creates the datasink as expected, writes to it as per
normal, i.e. writes to the .chukwa file, and roll overs work fine when it renames the .chukwa
file to .done. However, when I use bin/stop-collectors to shut down the running collector
it leaves a .chukwa file in the HDFS file system. Not sure if this is a valid sink or not,
but I think that the collector should gracefully clean up the datasink and rename it .done
before exiting.

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