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Posted to dev@activemq.apache.org by "Dejan Bosanac (JIRA)" <ji...@apache.org> on 2013/10/01 12:20:25 UTC

[jira] [Created] (AMQ-4758) Improve performance of pull consumers

Dejan Bosanac created AMQ-4758:
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             Summary: Improve performance of pull consumers
                 Key: AMQ-4758
                 URL: https://issues.apache.org/jira/browse/AMQ-4758
             Project: ActiveMQ
          Issue Type: Improvement
    Affects Versions: 5.8.0
            Reporter: Dejan Bosanac
            Assignee: Dejan Bosanac
             Fix For: 5.9.0


When we have a queue with only pull consumers (prefetch 0), there are a lot of necessary work being done trying to dispatch every paged message to every consumer. The problem is that most of consumers are full all the time and we lose a lot of cpu time trying to traverse all messages. The problem is more apparent with large number of paged messages.



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