Github user longdafeng commented on the pull request:
https://github.com/apache/storm/pull/1069#issuecomment-187230721
+1,
The acker logic is correct, come from JStorm.
In JStorm, it handle two more case:
Acker.ACKER_INIT_STREAM_ID's tuple is after Acker.ACKER_ACK_STREAM_ID's
tuple or Acker.ACKER_FAIL_STREAM_ID's tuple.
@bastiliu , the logic handling the above two cases should also port to 1.x
branch
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