Github user Ethanlm commented on the issue:
https://github.com/apache/storm/pull/2366
@HeartSaVioR It should be default to worker count. But it's not. There
must be something wrong with the recent code change:
https://github.com/apache/storm/pull/2325 .
I ran topologies with `-c topology.workers=N` but the acker is always 1---
