Github user abhishekagarwal87 commented on the pull request:
https://github.com/apache/storm/pull/1331#issuecomment-219632576
I agree @HeartSaVioR. Happy to incorporate feedback on the interface
improve it further. One limitation I see is that interface takes offsets. It is
not possible to add an implementation which can store failed messages in memory
and return them (like new Kafka spout). But the interface still provides the
control over actions on message retry e.g. one can log the offset in a log file
if it exhausts the number of retries etc.
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