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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (QPID-6577) HA - backup broker messages are larger than primary messages.
Date Tue, 04 Aug 2015 18:39:04 GMT

    [ https://issues.apache.org/jira/browse/QPID-6577?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14654115#comment-14654115
] 

ASF subversion and git services commented on QPID-6577:
-------------------------------------------------------

Commit 1694094 from [~aconway] in branch 'qpid/trunk'
[ https://svn.apache.org/r1694094 ]

QPID-6577: HA - backup broker messages are larger than primary messages.

Under the 0-10 protocol (used by HA) brokers add an "exchange" property to each
message for the exchange the message arrived on .This is different (and
sometimes longer) on the backup brokers from the primary since on the backups
the message arrives on a special replication exchange. 

This fixes backup brokers to not modify the exchange property on messages.

> HA - backup broker messages are larger than primary messages.
> -------------------------------------------------------------
>
>                 Key: QPID-6577
>                 URL: https://issues.apache.org/jira/browse/QPID-6577
>             Project: Qpid
>          Issue Type: Bug
>          Components: C++ Clustering
>    Affects Versions: 0.32
>            Reporter: Alan Conway
>            Assignee: Alan Conway
>             Fix For: qpid-cpp-next
>
>
> Start a HA cluster, send some messages to a queue, then run 
>     qpid-stat -q <somequeue> --ha-admin
> on each broker in the cluster. Messages on the backup brokers will be slighlty larger
than on the primary.
> This is a problem when backup brokers reach their queue limits before the primary due
to the larger messages, they are no longer able to function as backups.



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