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Posted to commits@samza.apache.org by "Chinmay Soman (JIRA)" <ji...@apache.org> on 2015/07/01 03:13:05 UTC
[jira] [Commented] (SAMZA-689) When Kafka has topic auto-creation
turned on, checkpoint topics may be created w/ wrong partition numbers
[ https://issues.apache.org/jira/browse/SAMZA-689?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14609395#comment-14609395 ]
Chinmay Soman commented on SAMZA-689:
-------------------------------------
We're running version 0.8.2 of the Kafka broker.
> When Kafka has topic auto-creation turned on, checkpoint topics may be created w/ wrong partition numbers
> ---------------------------------------------------------------------------------------------------------
>
> Key: SAMZA-689
> URL: https://issues.apache.org/jira/browse/SAMZA-689
> Project: Samza
> Issue Type: Bug
> Components: container
> Affects Versions: 0.9.1
> Reporter: Yi Pan (Data Infrastructure)
> Fix For: 0.9.1
>
>
> When Kafka topic auto-creation is turned on in the brokers, a fetch metadata API call will result in topic auto-creation w/ default number of partitions.
> In Samza code, we should always try to create the checkpoint/changelog topic w/ the expected number of partitions first, then call fetch metadata to avoid topic auto-creation creating the topic w/ un-wanted number of partitions.
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