Github user hsun-cnnxty commented on the pull request:
https://github.com/apache/storm/pull/705#issuecomment-140633818
Erik,
I added 2 reference links in the description with more information on
"Kafka's consumer offset management api".
As of migration from existing offsets stored in ZK to Kafka, it could be
done with a simple migration utility similar to the tools provided by Kafka
(https://cwiki.apache.org/confluence/display/KAFKA/System+Tools). Question is
where it belongs to in Storm codebase.
-thanks
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