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From "Neha Narkhede (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (KAFKA-1755) Log cleaner thread should not exit on errors
Date Fri, 07 Nov 2014 00:11:34 GMT

     [ https://issues.apache.org/jira/browse/KAFKA-1755?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Neha Narkhede updated KAFKA-1755:
---------------------------------
    Labels: newbie++  (was: )

> Log cleaner thread should not exit on errors
> --------------------------------------------
>
>                 Key: KAFKA-1755
>                 URL: https://issues.apache.org/jira/browse/KAFKA-1755
>             Project: Kafka
>          Issue Type: Bug
>            Reporter: Joel Koshy
>              Labels: newbie++
>             Fix For: 0.8.3
>
>
> The log cleaner is a critical process when using compacted topics.
> However, if there is any error in any topic (notably if a key is missing) then the cleaner
exits and all other compacted topics will also be adversely affected - i.e., compaction stops
across the board.
> This can be improved by just aborting compaction for a topic on any error and keep the
thread from exiting.
> Another improvement would be to reject messages without keys that are sent to compacted
topics although this is not enough by itself.



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