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From gkocur <grzegorz.ko...@softwaremill.com>
Subject Re: Artemis cluster and message acknowledgement
Date Fri, 22 Sep 2017 08:24:00 GMT
Thank you for your reply.
What you described is exactly what I was expecting - current message count
close to 0.
I can see the number of journal files is growing, so sooner or later I'll be
out of disk space.
The cluster configuration is pretty simple - it's symmetric cluster with
static configuration.
Cluster config on server1:

     <cluster-connections>
         <cluster-connection name="my-cluster">
            <connector-ref>amqp-broker-0</connector-ref>
            <retry-interval>500</retry-interval>
            <use-duplicate-detection>true</use-duplicate-detection>
            <message-load-balancing>ON_DEMAND</message-load-balancing>
            <max-hops>1</max-hops>
            <static-connectors>
               <connector-ref>amqp-broker-1</connector-ref>
            </static-connectors>
         </cluster-connection>
      </cluster-connections>

Cluster config on server2:

      <cluster-connections>
         <cluster-connection name="my-cluster">
            <connector-ref>amqp-broker-1</connector-ref>
            <retry-interval>500</retry-interval>
            <use-duplicate-detection>true</use-duplicate-detection>
            <message-load-balancing>ON_DEMAND</message-load-balancing>
            <max-hops>1</max-hops>
            <static-connectors>
               <connector-ref>amqp-broker-0</connector-ref>
            </static-connectors>
         </cluster-connection>
      </cluster-connections>


Is it ok?


Justin Bertram wrote
> Queues named like "$.artemis.internal.sf." are internal queues used to
> move
> messages between nodes for things like server-side message load-balancing
> or message redistribution.  As long as the cluster is formed properly then
> messages should not accumulate there but should land there for just a
> moment before they are moved across the cluster bridge to the other node.
> I would expect the "Messages Added" stat to go up, but I would expect the
> "Message Count" to stay close to 0.
> 
> Are you seeing any functional impact?
> 
> 
> Justin
> 
> On Thu, Sep 21, 2017 at 6:03 AM, gkocur &lt;

> grzegorz.kocur@

> &gt;
> wrote:
> 
>> Hello,
>>
>> I have a newbie question.
>> I'm playing with artemis clustering, and have simple setup like this:
>>
>> pruducer----artemis-server1----consumer1
>>                   |
>>                   artemis-server2----consumer2
>>
>> Messages are balanced to server2 exactly as described in documentation.
>> The
>> only issue I have with this setup is message acknowledgement - "Message
>> count" for queue
>> "$.artemis.internal.sf.ersules.f2a284aa-9c3b-11e7-96f2-062013112720" (so
>> sent to server2) is growing, and "Messages acknowledged" is always 0. Is
>> it
>> expected behaviour? Or do I miss some configuration?
>>
>> Thank you for any help with this.
>>
>> --
>> Grzegorz
>>
>>
>>
>> --
>> Sent from: http://activemq.2283324.n4.nabble.com/ActiveMQ-User-
>> f2341805.html
>>





--
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