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Posted to commits@nifi.apache.org by "Mark Payne (JIRA)" <ji...@apache.org> on 2015/12/14 14:52:46 UTC

[jira] [Created] (NIFI-1281) Investigate performance when queues are swapping heavily

Mark Payne created NIFI-1281:
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             Summary: Investigate performance when queues are swapping heavily
                 Key: NIFI-1281
                 URL: https://issues.apache.org/jira/browse/NIFI-1281
             Project: Apache NiFi
          Issue Type: Task
          Components: Core Framework
            Reporter: Mark Payne
             Fix For: 0.5.0


If we have a queue that has a huge amount of swapping going on (in and out), the ability to pull records from that queue is poor. When running a test, we had a producer continually pushing records into a queue with no backpressure. The consumer was very fast until swapping started to occur. At that point, the ability to consume dropped to only a few thousand events/second. Stopping the producer provided much better performance on the consuming side, which is problematic.



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