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Posted to issues@metron.apache.org by "Justin Leet (JIRA)" <ji...@apache.org> on 2018/05/15 17:46:00 UTC

[jira] [Created] (METRON-1564) Full dev kafka has offsets.topic.replication.factor set to 3 instead of 1

Justin Leet created METRON-1564:
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             Summary: 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


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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