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https://issues.apache.org/jira/browse/METRON-1564?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16476262#comment-16476262
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ASF GitHub Bot commented on METRON-1564:
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Github user mmiklavc commented on the issue:
https://github.com/apache/metron/pull/1016
+1 by inspection. Note - per the comment for this setting that I see in
Ambari, regardless of the value we set for offset replication, it will be
`min(alive brokers, configured replication factor)`
> Full dev kafka has offsets.topic.replication.factor set to 3 instead of 1
> -------------------------------------------------------------------------
>
> Key: METRON-1564
> URL: https://issues.apache.org/jira/browse/METRON-1564
> Project: Metron
> Issue Type: Bug
> Reporter: Justin Leet
> Assignee: Justin Leet
> Priority: Major
>
> I saw an issue where no data was flowing through any topologies. A repeated
> error in kafka showed offsets.topic.replication.factor being too low. We
> should default this on full dev to 1 to avoid this issue.
> On further investigation, it looks like this setting changes between kafka
> versions and will no longer auto create the offset topic on some versions if
> the replication factor is too high, preventing data from flowing through.
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