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From "Guillaume Nodet" <gno...@gmail.com>
Subject Re: Paging support
Date Tue, 29 Aug 2006 07:34:01 GMT
If you don' t use any persistent store, messages must be kept in memory,
so you are obvisouly limited by the available mem.
If you use a jdbc store, messages can be removed from memory and
store for later consumption.


On 8/28/06, Anders Bengtsson <ndrsbngtssn@yahoo.se> wrote:
>
>
>
> James.Strachan wrote:
> >
> > We do a similar thing. e.g. we regularly test ActiveMQ by preloading a
> > queue with millions of messages with a small heap of 64Mb and then
> > consuming them all.
> >
>
> What kind of configuration do you use for that? Would topics behave
> differently?
>
> I'm trying to put lots of messages on a topic with a disconnected durable
> subscriber. With ActiveMQ 4.0.1 in the default configuration the producer
> blocks after a few thousand messages.
> Giving it lots and lots of memory lets it receive some more messages, but
> at
> a few tens of thousands of messages it will block again.
>
> Do you have to configure the journal or JDBC persistance somehow to avoid
> this limitation?
>
> --
> View this message in context:
> http://www.nabble.com/Paging-support-tf2163517.html#a6022232
> Sent from the ActiveMQ - User forum at Nabble.com.
>
>


-- 
Cheers,
Guillaume Nodet

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