activemq-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Olivier OTTAVI" <olivier.ott...@gmail.com>
Subject Re: Blocking transactions
Date Wed, 05 Sep 2007 08:37:11 GMT
Thanks this was of great help also - I was wondering if their is a way to
set round robin load balancing policy on the client producers of a queue.

On 9/4/07, corcorda <dave.corcoran@gmail.com> wrote:
>
>
> You were completely right. Sorry, I managed to read the prefetch article
> and
> still miss it.
>
> Thank you for your help.
>
>
> James.Strachan wrote:
> >
> > On 9/4/07, corcorda <dave.corcoran@gmail.com> wrote:
> >>
> >> It's not the default prefetch values because I can recreate the problem
> >> with
> >> just 2 consumers and a few jobs.
> >
> > Thats normally exactly when the prefetch issue hits :)
> >
> http://activemq.apache.org/i-do-not-receive-messages-in-my-second-consumer.html
> >
> > Make sure you've 10,000 jobs for 2 consumers first  - otherwise set
> > prefetch to 1.
> >
> >> The code is very simple. Create a connection using the
> >> ActiveMQConnectionFactory, call createSession with true and -1 as
> params.
> >> Then using this session create a producer that writes jobs and commits.
> >>
> >> On each consumer I do the exact same thing, except I create a consumer
> >> and
> >> call commit after the processing. They run in different VMs.
> >>
> >> What do you mean "Each consumer should be in its own session"? This
> >> sounds
> >> like where I'm going wrong ;)
> >
> > http://activemq.apache.org/how-do-i-use-jms-efficiently.html
> >
> > basically use 1 connection, then each consumer should be created from
> > its own session (so that it can consume its messages in parallel -
> > otherwise only one consumer will be active at any point in time).
> >
> >
> > --
> > James
> > -------
> > http://macstrac.blogspot.com/
> >
> >
>
> --
> View this message in context:
> http://www.nabble.com/Blocking-transactions-tf4378065s2354.html#a12480568
> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>
>

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message