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https://issues.apache.org/jira/browse/QPID-707?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aidan Skinner resolved QPID-707.
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Resolution: Fixed
DupsOK is now equal to AutoAck
> 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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