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Posted to dev@qpid.apache.org by "ASF subversion and git services (JIRA)" <ji...@apache.org> on 2014/04/07 17:40:17 UTC
[jira] [Commented] (QPID-5513) HA backup fails if number of
replicated queues exceeds number of channels.
[ https://issues.apache.org/jira/browse/QPID-5513?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13961936#comment-13961936 ]
ASF subversion and git services commented on QPID-5513:
-------------------------------------------------------
Commit 1585507 from aconway@apache.org in branch 'qpid/trunk'
[ https://svn.apache.org/r1585507 ]
QPID-5666: HA fails with resource-limit-exceeded: Exceeded replicated queue limit
This is regression introduced in r1561206: CommitDate: Fri Jan 24 21:54:59 2014 +0000
QPID-5513: HA backup fails if number of replicated queues exceeds number of channels.
Fixed by the current commit. PrimaryQueueLimits was not taking account of queues already
on the broker prior to promotion.
> HA backup fails if number of replicated queues exceeds number of channels.
> --------------------------------------------------------------------------
>
> Key: QPID-5513
> URL: https://issues.apache.org/jira/browse/QPID-5513
> Project: Qpid
> Issue Type: Bug
> Components: C++ Clustering
> Affects Versions: 0.25
> Reporter: Alan Conway
> Assignee: Alan Conway
> Fix For: 0.27
>
>
> HA uses a single link and a session per queue to replicate queue data. That means the number of replicated queues is limited by the number of channels, which is 32k in current Qpid.
> To reproduce:
> - create a 2 node cluster.
> - declare 32769 queues
> Actual Result:
> - no error observed by the client declaring the queues or in the primary log.
> - backup broker exits with a critical error saying "not enough channels"
> In the short term it is not straightforward to remove the limit, however the error reporting needs to be fixed:
> Desired result:
> - client declaring the queues receives a "resource-limit-exceeded" exception with appropriate message.
> - primary logs an error indicating we exceeded the replicated queue limit
> - primary and backup broker continue to function normally.
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