activemq-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "James Strachan" <james.strac...@gmail.com>
Subject Re: performance degradation
Date Thu, 11 Jan 2007 15:02:02 GMT
I suspect it could maybe be Apache Derby maybe - does it help if you
have a separate process being your database such as using mysql or
postgresql?

On 1/5/07, drvillo <f.vivoli@gmail.com> wrote:
>
>
> A follow up, memory usage (over a heap of 256Mb) is higher when throughput
> is,
> and then stabilize around 30Mb, when things start to slow down...
>
> Thus it seems  that the system that resources are just not exploited
> somehow,
> from which my other post of the day.
>
> Any hint?
> Francesco
>
>
> drvillo wrote:
> >
> > Hi everybody
> >
> > Running an embedded broker on tcp transport and journaled jdbc persistence
> > I find that throughput drops from ~100 msg/sec to ~1-2 msg/sec. No matter
> > of changes on the jca parameters, memory limit and threadpool size.
> > Could it be a persistence issue?
> > It happens after ~50000 messages have been sent. I have a prefetch size
> > set
> > on the RA of 10000, thus the queues are always empty.
> >
> > Thanks and,
> > cheers
> > Francesco
> >
>
> --
> View this message in context: http://www.nabble.com/performance-degradation-tf2925875.html#a8179313
> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>
>


-- 

James
-------
http://radio.weblogs.com/0112098/

Mime
View raw message