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Posted to issues@nifi.apache.org by "Mark Payne (JIRA)" <ji...@apache.org> on 2018/01/31 19:32:00 UTC

[jira] [Created] (NIFI-4834) ConsumeJMS does not scale when given more than 1 thread

Mark Payne created NIFI-4834:
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             Summary: ConsumeJMS does not scale when given more than 1 thread
                 Key: NIFI-4834
                 URL: https://issues.apache.org/jira/browse/NIFI-4834
             Project: Apache NiFi
          Issue Type: Bug
          Components: Extensions
            Reporter: Mark Payne
            Assignee: Mark Payne
             Fix For: 1.6.0


When I run ConsumeJMS against a local broker, the performance is great. However, if I run against a broker that is running remotely with a 75 ms round trip time (i.e., somewhat high latency), then the performance is pretty poor, allowing me to receive only about 30-40 msgs/sec (1-2 MB/sec).

Increasing the number of threads should result in multiple connections to the JMS Broker, which would provide better throughput. However, when I increase the number of Concurrent Tasks to 10, I see 10 consumers but only a single connection being created, so the throughput is no better (in fact it's a bit slower due to added lock contention).



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