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From "Martin Ritchie (JIRA)" <qpid-...@incubator.apache.org>
Subject [jira] Updated: (QPID-707) DupsOk doesn't acknowledge enough
Date Thu, 10 Jan 2008 10:08:34 GMT

     [ https://issues.apache.org/jira/browse/QPID-707?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Martin Ritchie updated QPID-707:
--------------------------------

    Fix Version/s:     (was: M2.1)
                   M3

> DupsOk doesn't acknowledge enough
> ---------------------------------
>
>                 Key: QPID-707
>                 URL: https://issues.apache.org/jira/browse/QPID-707
>             Project: Qpid
>          Issue Type: Bug
>          Components: Java Client
>    Affects Versions: M2, M2.1
>            Reporter: Martin Ritchie
>            Assignee: Martin Ritchie
>             Fix For: M3
>
>
> There are a number of problems:
> 1) Client only acknowledges when prefetch fills in DupsOK mode i.e. every 5000 msgs.
> 2) When setting a single prefetch value the high and low are set to this value. 
>       - Not a major problem but would be better to use the high and low. 
> 3) As a result of 2 and an assumption that  high != low prefetch an ack is only sent
when there are more outstanding msgs to ack that high prefetch. Which can't occur as the broker
will flow control the client before then.
> 4) When the consumer closes it doesn't make any attempt to ack the messages it has successfully
processed.

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