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From Dejan Bosanac <de...@nighttale.net>
Subject Re: PrefetchSize for networkConnector
Date Wed, 10 Jun 2009 14:20:34 GMT
Hi,

netwrok connector doesn't support prefetchSize property.

http://activemq.apache.org/networks-of-brokers.html#NetworksofBrokers-NetworkConnectorProperties

Can uou raise an enhancement request for this in Jira?
Cheers
--
Dejan Bosanac

Open Source Integration - http://fusesource.com/
ActiveMQ in Action - http://www.manning.com/snyder/
Blog - http://www.nighttale.net


On Wed, Jun 10, 2009 at 1:48 AM, yinghe0101 <yinghe0101@yahoo.com> wrote:

>
> hi,
> 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.
>
> Can anyone help? This is quite urgent. I will appreciate any suggestion.
>
> best,
> Ying
> --
> View this message in context:
> http://www.nabble.com/PrefetchSize-for-networkConnector-tp23953256p23953256.html
> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>
>

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