:john.lil...@redpointglobal.com>
From: Justin Bertram
Sent: Friday, December 30, 2022 12:46 PM
To: users@activemq.apache.org
Subject: Re: Message Selectors vs multiple queues
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s
> John
>
>
> [image: rg] <https://www.redpointglobal.com/>
>
> John Lilley
>
> Data Management Chief Architect, Redpoint Global Inc.
>
> 888 Worcester Street, Suite 200 Wellesley, MA 02482
>
> *M: *+1 7209385761 <+1%207209385761> | john.lil...@redpoint
6 PM John Lilley
> > wrote:
> >
> >> Greetings!
> >>
> >>
> >>
> >> We have a design wherein every “job” that runs offers up an RPC service
> >> via a unique queue name. Which means that if 100 jobs are running,
> there
>
+1 7209385761 |
john.lil...@redpointglobal.com<mailto:john.lil...@redpointglobal.com>
-Original Message-
From: Mark Johnson mailto:spike.john...@gmail.com>>
Sent: Thursday, December 22, 2022 5:35 AM
To: users@activemq.apache.org<mailto:users@activemq.apache.org>
Subject: Re: Messa
design wherein every “job” that runs offers up an RPC service
>> via a unique queue name. Which means that if 100 jobs are running, there
>> are 100 queues. I’ve read that, in theory, all jobs could share a single
>> queue and use Message Selectors (in JMS) to receive only m
ertram
Sent: Wednesday, December 21, 2022 8:21 AM
To: users@activemq.apache.org
Subject: Re: Message Selectors vs multiple queues
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Generally speaking I would avo
> We have a design wherein every “job” that runs offers up an RPC service
> via a unique queue name. Which means that if 100 jobs are running, there
> are 100 queues. I’ve read that, in theory, all jobs could share a single
> queue and use Message Selectors (in JMS) to receive only mes
ent: Tuesday, December 20, 2022 9:54 PM
To: users@activemq.apache.org
Subject: Re: Message Selectors vs multiple queues
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I'd add my opinion from the maintenance
ue and use
Message Selectors (in JMS) to receive only messages that they should service.
Can anyone help me understand the tradeoffs? Would shared queue tend to use
less broker memory? Would the shared queue performance start to degrade under
load?
Thanks,
John
[rg] <https://www.redpo
Greetings!
We have a design wherein every “job” that runs offers up an RPC service via a
unique queue name. Which means that if 100 jobs are running, there are 100
queues. I’ve read that, in theory, all jobs could share a single queue and use
Message Selectors (in JMS) to receive only
Yes, I tried \" and " plus I tried using %3D instead of =. None of them
have worked for me.
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nent not flexible
> enough for this?
>
>
>
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>
broker component not flexible
enough for this?
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Hi Christian, Hi Tim,
ceposta wrote
> Message selectors are applied to messages cached in memory, not on disk.
Does this also apply to the JMSXMessageGroupID which has some special
meaning and therefore handling?
If a client consumes messages of a dedicated group, the broker will o
Message selectors are applied to messages cached in memory, not on disk.
On Tue, May 13, 2014 at 9:28 AM, Benjamin Jansen
wrote:
> Hello,
>
> In ActiveMQ 5.x (I have tried 5.6.0 and 5.9.1), is it possible to use JMS
> message selectors against in-flight messages that have been
On 05/13/2014 12:28 PM, Benjamin Jansen wrote:
Hello,
In ActiveMQ 5.x (I have tried 5.6.0 and 5.9.1), is it possible to use JMS
message selectors against in-flight messages that have been put on disk? Based
on my experimentation, it appears not, but I wanted to double-check, since I've
), is it possible to use JMS
> message selectors against in-flight messages that have been put on disk?
> Based on my experimentation, it appears not, but I wanted to double-check,
> since I've found conflicting information on the Web.
>
> A comment on a blog post describing thi
Hello,
In ActiveMQ 5.x (I have tried 5.6.0 and 5.9.1), is it possible to use JMS
message selectors against in-flight messages that have been put on disk? Based
on my experimentation, it appears not, but I wanted to double-check, since I've
found conflicting information on the Web.
A co
iction on message, so that
> only one particular consumer can consume the message. I am trying to figure
> out on how to setup the Message Selectors on a JMS Queue Receiver(Message
> Consumer). Or can we set the message selector from producer side. Which is
> the correct way. Any suggesti
I am using ActiveMQ Queue for messaging. There is one producer for this queue
and multiple consumers. I want to put some restriction on message, so that
only one particular consumer can consume the message. I am trying to figure
out on how to setup the Message Selectors on a JMS Queue Receiver
guys,
I am struggling to get message selectors to work in AMQCPP. I would
appreciate any help I can get please.
When I put the message I say:
textMessage->setCMSCorrelationID(correlationId);
when I get the message I create a consumer with a selector thus:
std::string selec
Hello,
I have just been nobbled by some activemqcpp behaviour that only seems to
apply when STOMP is being used with message selectors. It is the
restriction that message selector applies to a session, not to individual
messages. I am truly amazed at this. Luckily I found it documented at
ee the
> whole queue, e.g. AMQ-2172) that allows you to select and delete
> messages by message selectors. E.g. you could delete all scheduled
> messages with a specific custom property. This would also take care of
> rescheduling, simply delete and schedule again.
> I filed AMQ-294
The problem is that this only works if the message is due, so to
speak. For systems where you have more than a few scheduled messages,
you'll need something like a queue browser (which can actually see the
whole queue, e.g. AMQ-2172) that allows you to select and delete
messages by me
Hi Tom,
note that scheduled messages are kept by the broker in a specialized
store, and will be sent to the queue/topic only when time comes. These
send messages have "scheduledJobId" property set, which you can use to
select them.
Cheers
--
Dejan Bosanac - http://twitter.com/dejanb
Open Source
Hi,
is there a way to select delayed/scheduled messages with a selector,
e.g. for custom properties ?
cheers,
Tom
Yes it does!
On 14 Jul 2009, at 23:29, Dan Tran wrote:
Hi does ActiveMQ supports this feature?
Thanks
-D
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Hi does ActiveMQ supports this feature?
Thanks
-D
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arek Psiuk
I should add that I am using AMQ core version 5.2.0, so I am not benefiting
from recent bug fixes regarding this issue such as the one mentioned above.
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MQ:
>>> https://issues.apache.org/activemq/browse/AMQ-2104
>>>
>>> HTH,
>>> -Giovani
>>>
>>> On Wed, Apr 29, 2009 at 1:21 PM, Elliot Barlas >> >wrote:
>>>
>>> >
>>> > I have been experimenting with the beh
> EXPRESSION. THOSE MESSAGES ARE NOW TRAPPED ON THAT BROKER.
>> >
>> > How can I avoid transferring messages for which there is no consumer
>> than
>> > can ACTUALLY consume the messages???
>> >
>> > I have condensed the experiment into a sm
two AMQ
> brokers
> > and message selecting consumers. As described in the AMQ documentation
> > (http://activemq.apache.org/networks-of-brokers.html), consuming with
> > message selectors in a broker network environment can lead to messages
> > being
> > trapped on
e been experimenting with the behavior of a network of two AMQ brokers
> and message selecting consumers. As described in the AMQ documentation
> (http://activemq.apache.org/networks-of-brokers.html), consuming with
> message selectors in a broker network environment can lead to messages
>
I have been experimenting with the behavior of a network of two AMQ brokers
and message selecting consumers. As described in the AMQ documentation
(http://activemq.apache.org/networks-of-brokers.html), consuming with
message selectors in a broker network environment can lead to messages being
On Tue, Sep 30, 2008 at 9:21 AM, James Strachan
<[EMAIL PROTECTED]> wrote:
> 2008/9/30 Bruce Snyder <[EMAIL PROTECTED]>:
>> On Tue, Sep 30, 2008 at 8:52 AM, my_forum <[EMAIL PROTECTED]> wrote:
>>
>>
>>> Thanks for your reply!
>>> After som
2008/9/30 Bruce Snyder <[EMAIL PROTECTED]>:
> On Tue, Sep 30, 2008 at 8:52 AM, my_forum <[EMAIL PROTECTED]> wrote:
>
>
>> Thanks for your reply!
>> After some investigation I found out that message selectors is not actually
>> what I need.
>> I wan
On Tue, Sep 30, 2008 at 8:52 AM, my_forum <[EMAIL PROTECTED]> wrote:
> Thanks for your reply!
> After some investigation I found out that message selectors is not actually
> what I need.
> I want to support dynamic number of priorities and working with selectors I
> will hav
bsnyder wrote:
>
> On Mon, Sep 29, 2008 at 9:25 AM, my_forum <[EMAIL PROTECTED]> wrote:
>>
>> Guys,
>> could anyone give me an example of usage message selectors with Message
>> Driven beans?
>> I want to process my messages by priority so I think usin
2008/9/30 my_forum <[EMAIL PROTECTED]>:
>
>
> bsnyder wrote:
>>
>> On Mon, Sep 29, 2008 at 9:25 AM, my_forum <[EMAIL PROTECTED]> wrote:
>>>
>>> Guys,
>>> could anyone give me an example of usage message selectors with Message
>>
On Mon, Sep 29, 2008 at 9:25 AM, my_forum <[EMAIL PROTECTED]> wrote:
>
> Guys,
> could anyone give me an example of usage message selectors with Message
> Driven beans?
> I want to process my messages by priority so I think using selectors will be
> a correct choice.
&g
Guys,
could anyone give me an example of usage message selectors with Message
Driven beans?
I want to process my messages by priority so I think using selectors will be
a correct choice.
Has somebody implemented messages processing by priority using MDBs?
Thanks in advance!
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COME ON, people!
I know SOMEBODY else cares about being able to use (numeric) JMS selectors
via STOMP!
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>
> that doesn't work unless I do
>
> (year='2006' OR year IS NULL)
>
>
> is there anyway to force Stomp to have a numeric property? Or am I just
> missing something entirely?
>
> Simon
>
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)
Thanks,
Vinod
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On 12/10/2007, Terry K <[EMAIL PROTECTED]> wrote:
>
> .. what worries me at this point is introducing yet anothrer level of
> software complexity to solve what is really a simple requirement. I can see
> a simple database table with a little SQL code could solve this problem.
> What advantage does
tly.html
>
> with JMS if you want high performance you typically don't wanna be
> starting/stopping subscriptions as you process individual messages.
>
>
> --
> James
> ---
> http://macstrac.blogspot.com/
>
> Open Source SOA
> http://open.iona.com
>
>
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On 11/10/2007, Terry K <[EMAIL PROTECTED]> wrote:
>
> ... thanks for the suggestions - message groups do sound like a plausible
> solution.
>
> I am not interested in assigning a group of messages to particular sessions
> indefinately as the groups will be small and many. Once the high priority
> m
ssage javadoc API. All
documentation seems to relate to literal comparisons
Thanks again.
James.Strachan wrote:
>
> On 10/10/2007, Terrk K <[EMAIL PROTECTED]> wrote:
>>
>> I cannot find enough documentation on message selectors but have many
>> questions.
>>
&
On 10/10/2007, Terrk K <[EMAIL PROTECTED]> wrote:
>
> I cannot find enough documentation on message selectors but have many
> questions.
>
> Message selectors are more like fliters right? If so, what is the underlying
> selection policy of the broker? Age, priority, mo
Sounds to me like "Message Groups" may be what you're looking for.
http://activemq.apache.org/message-groups.html
Joe
Terry K wrote:
>
> I cannot find enough documentation on message selectors but have many
> questions.
>
> Message selectors are more like fli
I cannot find enough documentation on message selectors but have many
questions.
Message selectors are more like fliters right? If so, what is the underlying
selection policy of the broker? Age, priority, moon phases?
I want batch select messages belonging to some logical group, i.e. some id
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