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From "john dunning (JIRA)" <qpid-...@incubator.apache.org>
Subject [jira] Updated: (QPID-2029) Clustering and Management don't work well together
Date Fri, 05 Feb 2010 18:56:27 GMT

     [ https://issues.apache.org/jira/browse/QPID-2029?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

john dunning updated QPID-2029:

    Attachment: object-names.diff

Attached is a patch with addresses part of this problem.

Essentially, the substance of this change is to stop depending on OIDs being sync'ed between
members of a cluster.  That's extraordinarily difficult to get right, given the current structure
of the code.

We allow for objects to have fairly free-form names, and rely on object hierarchy to provide
unambiguous paths to objects.  We add a python script which relies on these ideas to validate
that cluster members really do have "the same" state.

> Clustering and Management don't work well together
> --------------------------------------------------
>                 Key: QPID-2029
>                 URL: https://issues.apache.org/jira/browse/QPID-2029
>             Project: Qpid
>          Issue Type: Bug
>          Components: C++ Broker
>    Affects Versions: 0.5
>            Reporter: Ted Ross
>            Assignee: Ted Ross
>             Fix For: 0.7
>         Attachments: object-names.diff
> Several aspects of management of the C++ broker are not well integrated with clustering.
> 1)  object-ids assigned to management objects are not synchronized across nodes of a
> 2)  persistent object-ids are not synchronized across nodes of a cluster.
> 3)  cached data within the QMF broker are not synchronized.
> 4) next-object-id and reboot-sequence are not synchronized.

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