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From "Ari Rabkin (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CHUKWA-4) Collectors don't finish writing .done datasink from last .chukwa datasink when stopped using bin/stop-collectors
Date Wed, 07 Apr 2010 06:07:33 GMT

    [ https://issues.apache.org/jira/browse/CHUKWA-4?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12854359#action_12854359
] 

Ari Rabkin commented on CHUKWA-4:
---------------------------------

Ahmed, looks promising.

Can you generate a .patch file and attach it to this JIRA?  Also, can you produce a unit test
to make sure this functionality doesn't get inadvertently broken by some other change, in
the future?

> 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
>
> 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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