[jira] [Reopened] (SAMZA-689) When Kafka has topic auto-creation turned on, checkpoint and changelog topics may be created w/ wrong partition numbers

["Yi Pan (Data Infrastructure) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SAMZA-689?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yi Pan (Data Infrastructure) reopened SAMZA-689:
------------------------------------------------
      Assignee:     (was: Navina Ramesh)

Re-opening since it seems to re-occur again.

> When Kafka has topic auto-creation turned on, checkpoint and changelog 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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