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Posted to dev@qpid.apache.org by "Aidan Skinner (JIRA)" <qp...@incubator.apache.org> on 2009/10/28 02:53:59 UTC
[jira] Closed: (QPID-1764) Create Abstract base class to perform
new reference counting for TransactionLog
[ https://issues.apache.org/jira/browse/QPID-1764?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Aidan Skinner closed QPID-1764.
-------------------------------
Resolution: Won't Fix
This has been backed out and is not really relevant anymore
> Create Abstract base class to perform new reference counting for TransactionLog
> -------------------------------------------------------------------------------
>
> Key: QPID-1764
> URL: https://issues.apache.org/jira/browse/QPID-1764
> Project: Qpid
> Issue Type: Bug
> Components: Performance
> Reporter: Martin Ritchie
> Assignee: Aidan Skinner
> Priority: Blocker
> Fix For: 0.6
>
>
> Summary:
> Summary the introduction of the new TransactionLog interface over the old MessageStore has resulted in each of the old Stores performing their own reference counting. As a result they all suffer from:
> a) Being different implementations
> b) Not being fully tested by existing test frameworks.
> By creating a single reference counting TransactionLog base class that delegates the simple storage and retreival tasks to the underlying Stores the stores can be simpler and the testing more complete.
> Current testing has already shown that performance has knocked 5% by the MemoryMessageStore's implementation of reference counting when it should not need to be doing any reference counting.
> This was brought up during the FtD Code review
> http://cwiki.apache.org/confluence/display/qpid/FtD+Code+Review+Notes
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