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From Dejan Bosanac <de...@nighttale.net>
Subject Re: ActiveMQ slow consumer policy
Date Wed, 19 Dec 2012 08:58:53 GMT
Hi Ben,

you should add pending message limit strategy and eviction policy as
explained here

http://activemq.apache.org/slow-consumer-handling.html

Regards
--
Dejan Bosanac
----------------------
Red Hat, Inc.
FuseSource is now part of Red Hat
dbosanac@redhat.com
Twitter: @dejanb
Blog: http://sensatic.net
ActiveMQ in Action: http://www.manning.com/snyder/


On Tue, Dec 18, 2012 at 6:48 PM, benj <apache.org@benandi.com> wrote:
> Hi
>
> I'm developing a finance application, and am evaluating ActiveMQ and various
> other middlewares to see what works best for us.
>
> I'm wondering if anybody can advise on the best way to setup ActiveMQ for
> the following scenario. It's a pretty standard stock price distribution
> system, but needs to cope with a variety of clients.
>
> - I have one server, sending data to many clients.
> - Some clients will be on the LAN. Others clients will be over a WAN with
> much lower bandwidth and frequent TCP disconnections
> - Clients on the LAN should receive updates as frequently as they are
> available.
> - Clients on the WAN should receive updates for each topic as fast as they
> can, but where the bandwidth available is not enough, they should try to
> receive only the latest message on each topic, discarding any intermediate
> messages which have become obsolete by the time they are ready to receive
> them.
> - When a client disconnects and reconnects, it should receive the last value
> on each topic, regardless of whether any new values are being sent.
>
> At the moment I'm using <lastImageSubscriptionRecoveryPolicy/> but I can't
> seem to prevent a large queue of messages building up on the server when a
> client is slow to consume.
>
> Is there another policy I can use to ensure the server only retains the last
> message on each topic, and discards old messages as soon as a new one is
> available?
>
> Thanks in advance,
>
> Ben
>
>
>
> --
> View this message in context: http://activemq.2283324.n4.nabble.com/ActiveMQ-slow-consumer-policy-tp4660859.html
> Sent from the ActiveMQ - User mailing list archive at Nabble.com.

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