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From "michael j. goulish (JIRA)" <qpid-...@incubator.apache.org>
Subject [jira] Updated: (QPID-1488) QueuePolicy serialization fix for cluster braindump.
Date Wed, 26 Nov 2008 20:24:44 GMT

     [ https://issues.apache.org/jira/browse/QPID-1488?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

michael j. goulish updated QPID-1488:
-------------------------------------

    Attachment: queue_policy_serialization_bug.diff

> QueuePolicy serialization fix for cluster braindump.
> ----------------------------------------------------
>
>                 Key: QPID-1488
>                 URL: https://issues.apache.org/jira/browse/QPID-1488
>             Project: Qpid
>          Issue Type: Improvement
>          Components: C++ Broker
>         Environment: tested on F9
>            Reporter: michael j. goulish
>            Priority: Blocker
>         Attachments: queue_policy_serialization_bug.diff
>
>
> In cluster braindump (when a new member is being added to a cluster) the QueuePolicy
is not being serialized out as part of the brain dump.  As a result the newbie cluster can
get a mistaken idea of the queue size (in bytes).  
> After many dequeues, the size can go negative, but since the queue size is an unsigned
number it wraps around and look like a large positive.  Which sets off the flow-to-disk code,
because it thinks that the queue has gotten too large.
> This fix just adds a little serialization of the QueuePolicy on to the end of the serialization
of the Queue.

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