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Posted to dev@qpid.apache.org by "john dunning (JIRA)" <qp...@incubator.apache.org> on 2010/01/22 21:02:21 UTC
[jira] Created: (QPID-2357) Broker boot sequence doesn't
synchronize when clustered.
Broker boot sequence doesn't synchronize when clustered.
--------------------------------------------------------
Key: QPID-2357
URL: https://issues.apache.org/jira/browse/QPID-2357
Project: Qpid
Issue Type: Bug
Components: C++ Broker
Environment: Linux
Reporter: john dunning
I discovered this when debugging something else. If you start broker 1 with a data-dir, and broker 2 with no data-dir or a different one, you can (almost always) end up with a different boot sequence. That means if you cluster these two together, when the updatee gets updates, he'll use different OIDs that the master.
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[jira] Closed: (QPID-2357) Broker boot sequence doesn't synchronize
when clustered.
Posted by "Alan Conway (JIRA)" <qp...@incubator.apache.org>.
[ https://issues.apache.org/jira/browse/QPID-2357?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alan Conway closed QPID-2357.
-----------------------------
Assignee: Alan Conway
> Broker boot sequence doesn't synchronize when clustered.
> --------------------------------------------------------
>
> Key: QPID-2357
> URL: https://issues.apache.org/jira/browse/QPID-2357
> Project: Qpid
> Issue Type: Bug
> Components: C++ Broker
> Environment: Linux
> Reporter: john dunning
> Assignee: Alan Conway
> Attachments: qpid-sync-proposed-2.diff, qpid-sync-proposed.diff
>
>
> I discovered this when debugging something else. If you start broker 1 with a data-dir, and broker 2 with no data-dir or a different one, you can (almost always) end up with a different boot sequence. That means if you cluster these two together, when the updatee gets updates, he'll use different OIDs that the master.
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[jira] Updated: (QPID-2357) Broker boot sequence doesn't
synchronize when clustered.
Posted by "john dunning (JIRA)" <qp...@incubator.apache.org>.
[ https://issues.apache.org/jira/browse/QPID-2357?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
john dunning updated QPID-2357:
-------------------------------
Attachment: qpid-sync-proposed-2.diff
Revised patch, after comments from aconway.
> Broker boot sequence doesn't synchronize when clustered.
> --------------------------------------------------------
>
> Key: QPID-2357
> URL: https://issues.apache.org/jira/browse/QPID-2357
> Project: Qpid
> Issue Type: Bug
> Components: C++ Broker
> Environment: Linux
> Reporter: john dunning
> Attachments: qpid-sync-proposed-2.diff, qpid-sync-proposed.diff
>
>
> I discovered this when debugging something else. If you start broker 1 with a data-dir, and broker 2 with no data-dir or a different one, you can (almost always) end up with a different boot sequence. That means if you cluster these two together, when the updatee gets updates, he'll use different OIDs that the master.
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[jira] Resolved: (QPID-2357) Broker boot sequence doesn't
synchronize when clustered.
Posted by "Alan Conway (JIRA)" <qp...@incubator.apache.org>.
[ https://issues.apache.org/jira/browse/QPID-2357?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alan Conway resolved QPID-2357.
-------------------------------
Resolution: Fixed
Comitted r904268
> Broker boot sequence doesn't synchronize when clustered.
> --------------------------------------------------------
>
> Key: QPID-2357
> URL: https://issues.apache.org/jira/browse/QPID-2357
> Project: Qpid
> Issue Type: Bug
> Components: C++ Broker
> Environment: Linux
> Reporter: john dunning
> Attachments: qpid-sync-proposed-2.diff, qpid-sync-proposed.diff
>
>
> I discovered this when debugging something else. If you start broker 1 with a data-dir, and broker 2 with no data-dir or a different one, you can (almost always) end up with a different boot sequence. That means if you cluster these two together, when the updatee gets updates, he'll use different OIDs that the master.
--
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[jira] Updated: (QPID-2357) Broker boot sequence doesn't
synchronize when clustered.
Posted by "john dunning (JIRA)" <qp...@incubator.apache.org>.
[ https://issues.apache.org/jira/browse/QPID-2357?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
john dunning updated QPID-2357:
-------------------------------
Attachment: qpid-sync-proposed.diff
Attached patch fixes this problem, for at least simple cases. NB that there are other ways to get OIDs out of sync during an update operation, most notably by having timers fire at an inopportune time. That bug is being worked separately.
Comments welcome.
> Broker boot sequence doesn't synchronize when clustered.
> --------------------------------------------------------
>
> Key: QPID-2357
> URL: https://issues.apache.org/jira/browse/QPID-2357
> Project: Qpid
> Issue Type: Bug
> Components: C++ Broker
> Environment: Linux
> Reporter: john dunning
> Attachments: qpid-sync-proposed.diff
>
>
> I discovered this when debugging something else. If you start broker 1 with a data-dir, and broker 2 with no data-dir or a different one, you can (almost always) end up with a different boot sequence. That means if you cluster these two together, when the updatee gets updates, he'll use different OIDs that the master.
--
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You can reply to this email to add a comment to the issue online.
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