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Posted to dev@qpid.apache.org by "Gordon Sim (JIRA)" <ji...@apache.org> on 2011/06/24 14:01:48 UTC

[jira] [Assigned] (QPID-3321) C++ client memory usage increases when acknowledging messages unless client explicitly calls session.flush() every so often

     [ https://issues.apache.org/jira/browse/QPID-3321?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gordon Sim reassigned QPID-3321:
--------------------------------

    Assignee: Gordon Sim

> 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
>            Assignee: Gordon Sim
>
> 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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