[jira] [Commented] (QPID-4327) HA support for TX transactions.

["ASF subversion and git services (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/QPID-4327?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15199642#comment-15199642 ] 

ASF subversion and git services commented on QPID-4327:
-------------------------------------------------------

Commit 1735439 from [~aconway] in branch 'qpid/trunk'
[ https://svn.apache.org/r1735439 ]

Bug 1318180 - HA memory leak in primary broker when overwriting messages in a ring queue

ReplicatingSubscription accumulates IDs of dequeued messages to send on
dispatch. It should clear the accumulated IDs once sent. Due to a merge error,
since:

    014f0f3 QPID-4327: HA TX transactions: basic replication.

The ID set is not cleared, causing it to accumulate memory slowly.

This leak would be particularly noticeable on a busy ring-queue since a
ring-queue generates a dequeue event for every enqueue once it reaches its max
size.

> HA support for TX transactions.
> -------------------------------
>
>                 Key: QPID-4327
>                 URL: https://issues.apache.org/jira/browse/QPID-4327
>             Project: Qpid
>          Issue Type: New Feature
>          Components: C++ Clustering
>    Affects Versions: 0.18
>            Reporter: Alan Conway
>            Assignee: Alan Conway
>             Fix For: 0.26
>
>
> Add support for TX transactions in a HA cluster.
> Messages and accepts in a transaction must be executed atomically on backup brokers.



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