[jira] [Created] (SAMZA-146) Throughput degrades unreasonably as the number of topic-partitions increases

[Jakob Homan (JIRA)]

Jakob Homan created SAMZA-146:
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             Summary: Throughput degrades unreasonably as the number of 
topic-partitions increases
                 Key: SAMZA-146
                 URL: https://issues.apache.org/jira/browse/SAMZA-146
             Project: Samza
          Issue Type: Bug
          Components: container
    Affects Versions: 0.7.0
            Reporter: Jakob Homan
            Assignee: Jakob Homan
             Fix For: 0.7.0


Currently we poll each stream partition in need of messages before each call to 
process.  For jobs with a large number of partitions, and particularly when 
those partitions are low volume, this dramatically impacts performance.



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