Bharath Kumarasubramanian created SAMZA-2531:
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             Summary: Async Commit is Blocking for Window, Timer & End of Stream
                 Key: SAMZA-2531
                 URL: https://issues.apache.org/jira/browse/SAMZA-2531
             Project: Samza
          Issue Type: Task
            Reporter: Bharath Kumarasubramanian


We introduced non-blocking commit feature as part of  SAMZA-1140. Currently the 
commit is only non-blocking and allows process to be run concurrently. We 
should evaluate if the non-blocking commit should allow window, timer & end of 
stream to run concurrently as well. 

If not, the feature name async commit sounds a misnomer and is still blocking 
for certain operations.

As part of this task, we will need to evaluate what it takes to make it run 
concurrently along with window, timer & end of stream and if it is necessary in 
the first place. If not, rename the feature to explicitly callout process 
exclusive commit instead of async commit. 



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