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From "Rob Godfrey (JIRA)" <qpid-...@incubator.apache.org>
Subject [jira] Created: (QPID-925) [Java Broker] Only begin store transactions when there is a persistent message to be committed
Date Wed, 16 Apr 2008 09:31:21 GMT
[Java Broker] Only begin store transactions when there is a persistent message to be committed
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                 Key: QPID-925
                 URL: https://issues.apache.org/jira/browse/QPID-925
             Project: Qpid
          Issue Type: Improvement
          Components: Java Broker
    Affects Versions: M2.1
            Reporter: Rob Godfrey
            Assignee: Rob Godfrey


Currently all acks in transactional mode give rise to a transaction being started on the store,
and a later commit occuring.  Where a store is persistent this can give rise to unnecessary
disc access when all messages are in fact transient.

Changes required to TxAck (to only provide an efficient method to check if there are any peristsent
messages being acknowledged) and LocalTransactionalContext

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