Jimmy Jones created QPID-5135:
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             Summary: System stalling
                 Key: QPID-5135
                 URL: https://issues.apache.org/jira/browse/QPID-5135
             Project: Qpid
          Issue Type: Bug
          Components: C++ Broker
    Affects Versions: 0.22
         Environment: RHEL5
            Reporter: Jimmy Jones


See threads on qpid-user: 
http://qpid.2158936.n2.nabble.com/System-stalling-tp7597317.html and 
http://qpid.2158936.n2.nabble.com/Re-System-stalling-td7597940.html

See attached scripts which reproduce the issue. Running rx-test.pl followed by 
tx-test.pl results in a system where the receiver can keep up with the producer 
(gets a message every <1s) (tx-test 118% CPU, qpidd 97% CPU, rx-test 60% CPU). 
However, if you stop rx-test and restart it (even after only a second or so), 
it starts to take 2s+ to receive messages, going up to about 6s on my system, 
so the ring quickly fills and overflows. Even if the producer is then stopped, 
messages are still only received every 3s - with qpidd on 100% CPU and the 
receiver on 5%. Also the resident size of qpidd reaches 5GB, yet the queue is 
only 2GB.

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