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https://issues.apache.org/activemq/browse/AMQ-2286?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bruce Snyder updated AMQ-2286:
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Fix Version/s: 5.5.0
(was: 5.4.1)
> NetworkConnector PrefetchSize
> -----------------------------
>
> Key: AMQ-2286
> URL: https://issues.apache.org/activemq/browse/AMQ-2286
> Project: ActiveMQ
> Issue Type: Bug
> Components: Broker
> Affects Versions: 5.2.0
> Environment: Sun solaris 10
> Reporter: ying
> Fix For: 5.5.0
>
>
> I have an issue which greatly reduces the quality of service of a network of
> activemq brokers.
> Here is what I have:
> 1. 4 brokers( broker1, broker2, broker3, broker4) in a network by multicast
> discovery
> 2. i have 2 consumers of QueueA on broker1, 2 consumers of QueueA on broker2,
> and consumer queuePrefetch=1, networkConnector prefetchSize=1. Queue is using
> RoundRobinDispatchPolicy
> 3. I publish to QueueA on broker3 with 100 msgs, 2 consumers on broker1 are
> fast and they process fine but 2 consumers on broker2 are stuck. However,
> with this config, msgs are still 50 goes to broker1, 50 goes to broker2, and
> when consumers on broker2 get stuck, those 50 msgs are stuck on broker2. It
> seems the prefetchSize=1 on networkConnector have no effect at all.
> what I expect in this case will be that 98 msgs shall go to broker1, and only
> 2 msgs stuck on broker2's consumers. I cannot lose a single msg so
> ConstantPendingMessageLimit will not help.
> Please help. Thanks
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