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Message-ID: <ec6e67fd0708070010h5c3bb050xf7300ed62888a1bb@mail.gmail.com>
Date: Tue, 7 Aug 2007 08:10:59 +0100
From: "James Strachan" <james.strachan@gmail.com>
To: users@activemq.apache.org
Subject: Re: Priority vs Exclusive
In-Reply-To: <12016222.post@talk.nabble.com>
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References: <12016222.post@talk.nabble.com>

On 8/6/07, Elber <shaheer@hotmail.fr> wrote:
>
> Hi,
>
> I've done some tests of consumer priority and exclusive and I found that if
> I start 2 consumers on the same queue (the first with a priority = 2 and the
> second =1), the first will consume all messages.
> It's the same thing whit consumer.exclusive.
> So what's the difference between the 2.

You can have multiple consumers with the same priority sharing
messages. With exclusive consumer, you can only ever have a single
consumer, period - irrespective of priorities.


> I've read the doc and it explained that priority is used to avoid network
> Hops, it can't be used to allow to one consumer to consume 80% of messages
> and 20% for the other?

No - to split message consumption across multiple consumers, the
current flow control & prefetch logic deals with letting faster
consumers consume more of the messages

-- 
James
-------
http://macstrac.blogspot.com/