Hi again:
I have a query on this issue.
>From the connections tab in the activemq webconsle, I see that my hundreds
of connections are reduced to very few connections. That helped me resolve
some jms-error issues, where my packets were being dropped because my
broker was overloaded.
When I look at the details of the connection, I see multiple consumer
sessions.
I am not able to comprehend the working method of this. Are all these
sessions using just one connection??
Regards,
Cooshal.
On Monday, June 17, 2019 at 2:10:28 PM UTC+2, Grzegorz Grzybek wrote:
>
> Hello
>
> Hmm
>
> You wrote two similar blueprint files containing:
>
> <bean id="activemqConnectionFactory"
> class="org.apache.activemq.ActiveMQConnectionFactory">
> <property name="brokerURL" value="${URL}" />
> <property name="userName" value="${USERNAME}" />
> <property name="password" value="${PASSWORD}" />
> </bean>
>
> Having etc/org.ops4j.connectionfactory-producer.cfg doesn't affect your
> ActiveMQCOnnectionFactory +
> org.apache.activemq.pool.PooledConnectionFactory beans...
>
> With pax-jms, you should expose underlying connection
> javax.jms.ConnectionFactory OSGi service (ActiveMQConnectionFactory)
> without org.apache.activemq.pool.PooledConnectionFactory.
>
> Probably with pax-jms you have 3 layers: pooled-jms →
> PooledConnectionFactory → ActiveMQConnectionFactory.
>
> Now you don't need org.apache.activemq.pool.PooledConnectionFactory beans.
>
> regards
> Grzegorz Grzybek
>
>
> pon., 17 cze 2019 o 13:05 Kushal Gautam <kushal...@gmail.com <javascript:>>
> napisał(a):
>
>> Hi:
>>
>> this was my previous config:
>>
>> <?xml version="1.0" encoding="UTF-8"?>
>> <blueprint xmlns="http://www.osgi.org/xmlns/blueprint/v1.0.0";
>> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
>> xmlns:cm="
>> http://aries.apache.org/blueprint/xmlns/blueprint-cm/v1.3.0";
>> xsi:schemaLocation="
>> http://www.osgi.org/xmlns/blueprint/v1.0.0
>> https://www.osgi.org/xmlns/blueprint/v1.0.0/blueprint.xsd
>>
>> http://aries.apache.org/blueprint/xmlns/blueprint-cm/v1.3.0
>> http://aries.apache.org/schemas/blueprint-cm/blueprint-cm-1.3.0.xsd
>> ">
>>
>> <cm:property-placeholder persistent-id="prs-eai-broker"
>> update-strategy="reload" >
>> <cm:default-properties>
>> <cm:property name="URL" value="tcp://localhost:61616" />
>> <cm:property name="USERNAME" value="system" />
>> <cm:property name="PASSWORD" value="manager" />
>> <cm:property name="MAX_CONNECTIONS" value="20" />
>> <cm:property name="PRODUCER_JNDI_NAME" value="jms/producer" />
>> <cm:property name="CONSUMER_JNDI_NAME" value="jms/consumer" />
>> </cm:default-properties>
>> </cm:property-placeholder>
>>
>> <bean id="activemqConnectionFactory"
>> class="org.apache.activemq.ActiveMQConnectionFactory">
>> <property name="brokerURL" value="${URL}" />
>> <property name="userName" value="${USERNAME}" />
>> <property name="password" value="${PASSWORD}" />
>> </bean>
>>
>> <bean id="consumerPooledConnectionFactory"
>> class="org.apache.activemq.pool.PooledConnectionFactory">
>> <property name="maxConnections" value="${MAX_CONNECTIONS}" />
>> <property name="connectionFactory"
>> ref="activemqConnectionFactory" />
>> </bean>
>>
>> <bean id="producerPooledConnectionFactory"
>> class="org.apache.activemq.pool.PooledConnectionFactory">
>> <property name="maxConnections" value="${MAX_CONNECTIONS}" />
>> <property name="connectionFactory"
>> ref="activemqConnectionFactory" />
>> </bean>
>>
>> <service ref="producerPooledConnectionFactory"
>> interface="javax.jms.ConnectionFactory">
>> <service-properties>
>> <entry key="name" value="producer" />
>> <entry key="osgi.jndi.service.name"
>> value="${PRODUCER_JNDI_NAME}" />
>> </service-properties>
>> </service>
>>
>> <service ref="consumerPooledConnectionFactory"
>> interface="javax.jms.ConnectionFactory">
>> <service-properties>
>> <entry key="name" value="consumer" />
>> <entry key="osgi.jndi.service.name"
>> value="${CONSUMER_JNDI_NAME}" />
>> </service-properties>
>> </service>
>>
>> </blueprint>
>>
>> I will try to see if I can get the stack trace. This problem is currently
>> there in the prod. system. So, I have to check that once.
>>
>> Regards,
>> Cooshal.
>>
>> On Monday, June 17, 2019 at 12:20:52 PM UTC+2, Grzegorz Grzybek wrote:
>>>
>>> Hello
>>>
>>> What was your previous configuration? Is there a chance to get a stack
>>> trace from under the debugger in the place where message is put into queue?
>>>
>>> regards
>>> Grzegorz Grzybek
>>>
>>> pon., 17 cze 2019 o 12:11 Kushal Gautam <kushal...@gmail.com>
>>> napisał(a):
>>>
>>>> Currently, I am observing some lag in putting the messages in one of
>>>> the queues. Roughly, the number is about 1-4 messages per second. And,
>>>> this
>>>> is way too slow than my previous configuration.
>>>>
>>>> I checked this from the activemq console.
>>>>
>>>> I will try to see if I can produce some performance metrics. But, the
>>>> thing is that I observed the enqueue/dequeue rates to be extremely slow.
>>>>
>>>> Regards,
>>>> Cooshal.
>>>>
>>>> On Monday, June 17, 2019 at 11:02:40 AM UTC+2, Grzegorz Grzybek wrote:
>>>>>
>>>>> Hello
>>>>>
>>>>> What kind of processing performance problems do you have? pax-jms
>>>>> doesn't add any special processing - it only deals with exposing
>>>>> connection
>>>>> factories to your beans/components/services/...
>>>>>
>>>>> PooledJMS itself MAY add some processing overhead, but it of course
>>>>> depends on its configuration. After your application calls
>>>>> javax.jms.ConnectionFactory.getConnection(), it's all up to
>>>>> you/camel-jms/spring-jms how to use/cache/not-cache it...
>>>>>
>>>>> I'm interested in some numbers, logs maybe - how did you find out that
>>>>> the performance is worse?
>>>>>
>>>>> thanks in advance for any help/feedback
>>>>> regards
>>>>> Grzegorz Grzybek
>>>>>
>>>>> pon., 17 cze 2019 o 10:57 Kushal Gautam <kushal...@gmail.com>
>>>>> napisał(a):
>>>>>
>>>>>> Hi:
>>>>>>
>>>>>> I am using Camel with Karaf, and ActiveMQ
>>>>>>
>>>>>> Before using pax-jms, I was providing connectionfactories as
>>>>>> artifact. But, since it was not configurable, I planned to switch it to
>>>>>> pax-jms.
>>>>>>
>>>>>> But, so far, after switching to pax-jms, I have noticed performance
>>>>>> lag in message processing. I am not entirely sure, if this is due to
>>>>>> pax-jms.
>>>>>>
>>>>>> Thus, in general, does pax-jms degrade the message processing
>>>>>> performance at all?
>>>>>>
>>>>>> For example, my jms-config looks like:
>>>>>>
>>>>>> name = eai-producer
>>>>>> jms.url = tcp://localhost:61616
>>>>>> jms.username = system
>>>>>> jms.password = manager
>>>>>> type = activemq
>>>>>> pool = pooledjms
>>>>>> osgi.jndi.service.name = jms/producer
>>>>>> org.apache.karaf.features.configKey =
>>>>>> org.ops4j.connectionfactory-producer
>>>>>>
>>>>>> Regards,
>>>>>> Cooshal.
>>>>>>
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