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Posted to dev@kafka.apache.org by "Joris Van Remoortere (JIRA)" <ji...@apache.org> on 2014/01/23 18:54:39 UTC

[jira] [Created] (KAFKA-1226) Rack-Aware replica assignment option

Joris Van Remoortere created KAFKA-1226:
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             Summary: Rack-Aware replica assignment option
                 Key: KAFKA-1226
                 URL: https://issues.apache.org/jira/browse/KAFKA-1226
             Project: Kafka
          Issue Type: Improvement
          Components: replication
    Affects Versions: 0.8.0, 0.8.1
            Reporter: Joris Van Remoortere
            Assignee: Neha Narkhede
             Fix For: 0.8.0


Adding a rack-id to kafka config. This rack-id can be used during replica assignment by using the max-rack-replication argument in the admin scripts (create topic, etc.). By default the original replication assignment algorithm is used because max-rack-replication defaults to -1. max-rack-replication > -1 is not honored if you are doing manual replica assignment (preffered). 

If this looks good I can add some test cases specific to the rack-aware assignment. 

I can also port this to trunk. We are currently running 0.8.0 in production and need this, so i wrote the patch against that.



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