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https://issues.apache.org/jira/browse/KAFKA-8724?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16923578#comment-16923578
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ASF GitHub Bot commented on KAFKA-8724:
---------------------------------------

hachikuji commented on pull request #7264: KAFKA-8724; Improve range checking 
when computing cleanable partitions
URL: https://github.com/apache/kafka/pull/7264
 
 
   
 
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> log cleaner thread dies when attempting to clean a __consumer_offsets 
> partition after upgrade from 2.0->2.3
> -----------------------------------------------------------------------------------------------------------
>
>                 Key: KAFKA-8724
>                 URL: https://issues.apache.org/jira/browse/KAFKA-8724
>             Project: Kafka
>          Issue Type: Bug
>          Components: log cleaner
>    Affects Versions: 2.3.0
>         Environment: Linux 3.10.0-862.2.3.el7.x86_64 #1 SMP Wed May 9 
> 18:05:47 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
>            Reporter: Keith So
>            Assignee: Jason Gustafson
>            Priority: Critical
>             Fix For: 2.3.1
>
>         Attachments: KAFKA-308-stack-trace.txt
>
>
> We are attempting an upgrade from Kafka 2.0 to 2.3 on a single cluster setup. 
>  We have a mixture of Java/C++ and Python clients (Python clients are using 
> kafka-python libraries).
> After the upgrade, the log cleaner occasionally dies with the attached stack 
> trace.  Using timestamp correlation, we pinned it down to the cleaning of a 
> __consumer_offsets partition.  The config logged at initialization shows that 
> inter.broker.protocol.version = 2.3-IV1
> log.message.format.version = 2.3-IV1
> We initially thought this was to do with unclean upgrade from 2.0 to 2.3, but 
> after resetting the consumer offsets topic (via 
> [https://medium.com/@nblaye/reset-consumer-offsets-topic-in-kafka-with-zookeeper-5910213284a2])
>   this still recurs on initially empty consumer offset partitions.
> At the moment we are working around by toggling log.cleaner.threads option 
> using dynamic broker configuration to restore the log cleaner threads



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