Is there currently a version that supports JMS priority id on Qs?

[cmose <cj...@gmail.com>]

Is there a current snapshot that supports the correct behavior of message
priority on a queue? I've got a july 26 snapshot of 4.1 that does not appear
to support that functionality. Also, if there is a version, how "production"
ready is it (if that's known)?
Thanks!
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Re: Is there currently a version that supports JMS priority id on Qs?

[James Strachan <ja...@gmail.com>]

On 8/16/06, cmose <cj...@gmail.com> wrote:
>
> James,
> do you mean push the priority consumption to a number of consumers dedicated
> to just priority consumption?

Yes. e.g. have some consumers who process priorities > 3, some
processing > 5 and others processing all messages. You then have a
guarrenteed throughput rate based on priorities rather than hoping a
message with a 9 jumps ahead of a message with a 4 in the small buffer
that was used for reordering.

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James
-------
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Re: Is there currently a version that supports JMS priority id on Qs?

[cmose <cj...@gmail.com>]

James,
do you mean push the priority consumption to a number of consumers dedicated
to just priority consumption? I understand that solution but unfortunately
it's not optimal for the architecture I'm currently working on. I'm
certainly interested in an activemq ordering of a queue based on the jms
priority id though if it ever comes up as an extension or addition. Thanks
much for the info, appreciate it.


James.Strachan wrote:
> 
> On 8/16/06, cmose <cj...@gmail.com> wrote:
>>
>> Is there a current snapshot that supports the correct behavior of message
>> priority on a queue? I've got a july 26 snapshot of 4.1 that does not
>> appear
>> to support that functionality.
> 
> We don't automatically reoorder queues into priority order right now.
> Though you can use selectors to for example have a pool of threads in
> multiple JVMs which just process high priority messages - which is
> often more predictable and safer than getting ActiveMQ to perform
> reordering of temporary dispatch buffers etc.
> -- 
> 
> James
> -------
> http://radio.weblogs.com/0112098/
> 
> 

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Re: Is there currently a version that supports JMS priority id on Qs?

[James Strachan <ja...@gmail.com>]

On 8/16/06, cmose <cj...@gmail.com> wrote:
>
> Is there a current snapshot that supports the correct behavior of message
> priority on a queue? I've got a july 26 snapshot of 4.1 that does not appear
> to support that functionality.

We don't automatically reoorder queues into priority order right now.
Though you can use selectors to for example have a pool of threads in
multiple JVMs which just process high priority messages - which is
often more predictable and safer than getting ActiveMQ to perform
reordering of temporary dispatch buffers etc.
-- 

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