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From "Gordon Sim (JIRA)" <qpid-...@incubator.apache.org>
Subject [jira] Assigned: (QPID-2338) [C++ Broker] Ring queue does not properly implement byte size limits for ring queues
Date Tue, 12 Jan 2010 11:48:54 GMT

     [ https://issues.apache.org/jira/browse/QPID-2338?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Gordon Sim reassigned QPID-2338:

    Assignee: Gordon Sim

> [C++ Broker] Ring queue does not properly implement byte size limits for ring queues
> ------------------------------------------------------------------------------------
>                 Key: QPID-2338
>                 URL: https://issues.apache.org/jira/browse/QPID-2338
>             Project: Qpid
>          Issue Type: Bug
>          Components: C++ Broker
>    Affects Versions: 0.6
>            Reporter: Rob Godfrey
>            Assignee: Gordon Sim
> To test I created a queue on the C++ broker with a size limit of 512 bytes, and a policy
of "ring"
> First I sent 5 messages each of size 100 bytes.
> Then I sent a 6th 100 byte message - as expected this dequeued one of the existing messages
> next I sent a single message of size 400 bytes
> This caused only a single existing message to be dequeued, leading to 5 messages being
enqueued with a total depth of 900 bytes (as reported by qpid-tool).  At this point I would
have expected all but one of the existing messages to have been dequeued in order to make
room for the 400 byte message
> Finally I sent a single 1000 byte message.  This message in itself should have been too
big for the queue, however it was enqueued; and only one 100 byte message was dequeued - leaving
a total byte depth of 1800 bytes being enqueued.

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