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From "Andy Goldstein (JIRA)" <j...@apache.org>
Subject [jira] [Created] (QPID-3321) C++ client memory usage increases when acknowledging messages unless client explicitly calls session.flush() every so often
Date Fri, 24 Jun 2011 11:59:48 GMT
C++ client memory usage increases when acknowledging messages unless client explicitly calls
session.flush() every so often
---------------------------------------------------------------------------------------------------------------------------

                 Key: QPID-3321
                 URL: https://issues.apache.org/jira/browse/QPID-3321
             Project: Qpid
          Issue Type: Bug
          Components: C++ Client
            Reporter: Andy Goldstein


Create a C++ client that receives lots and lots of messages.  Call session.acknowledge(message)
on each message.  If you don't call session.flush() periodically, the client application's
memory usage will increase over time.  Most of the memory allocated appears to be coming from
qpid::client::amqp0_10::AcceptTracker::accept(qpid::framing::SequenceNumber id, qpid::client::AsyncSession&
session).  It looks like the broker doesn't send completions for the message acknowledgements,
or if it does, not very frequently.

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