Author |
Message |
Topic: SYSTEM.MANAGED.NDURABLE |
rajeshso
Replies: 18 Views: 24762
|
Forum: IBM MQ Performance Monitoring Posted: Thu May 15, 2014 1:03 am Subject: SYSTEM.MANAGED.NDURABLE |
Many thanks to fjb, Morag, PeterPotkay, bruce and calanais.
You have helped me solve the problem.
[url=http://www.mqseries.net/phpBB/viewtopic.php?p=40871&sid=7046897f6cab693bf57310e49e18c0f2 ... |
Topic: SYSTEM.MANAGED.NDURABLE |
rajeshso
Replies: 18 Views: 24762
|
Forum: IBM MQ Performance Monitoring Posted: Wed May 14, 2014 6:39 am Subject: SYSTEM.MANAGED.NDURABLE |
How to avoid syncpoint? Do I have to set this in the code or a MQ setting? A code based setting will be preferable.
I have not explicitly written code to commit messages. The reason is the JMS supp ... |
Topic: SYSTEM.MANAGED.NDURABLE |
rajeshso
Replies: 18 Views: 24762
|
Forum: IBM MQ Performance Monitoring Posted: Wed May 14, 2014 6:19 am Subject: SYSTEM.MANAGED.NDURABLE |
I am sorry to contradict my last message. When the subscriber's onMessage() had no code, the behaviour of UNCOMM and CURDEPTH still remained same. The rate of increase in UNCOMM was relatively lesser ... |
Topic: SYSTEM.MANAGED.NDURABLE |
rajeshso
Replies: 18 Views: 24762
|
Forum: IBM MQ Performance Monitoring Posted: Wed May 14, 2014 5:30 am Subject: SYSTEM.MANAGED.NDURABLE |
Hi Morag,
If subscriber doesn't have any code after receiving the messages, there are no problems. So, I suspect the subscribers are not performing to the speed. If the subscribers are not super fast ... |
Topic: SYSTEM.MANAGED.NDURABLE |
rajeshso
Replies: 18 Views: 24762
|
Forum: IBM MQ Performance Monitoring Posted: Wed May 14, 2014 5:19 am Subject: SYSTEM.MANAGED.NDURABLE |
Hi Morag,
I observed a behaviour on when the subscribers gets hung.
As the publisher pump 1000s of messages/second, the CURDEPTH remains 0 or 1, but UNCOM steadily increases. When UNCOM reaches ... |
Topic: SYSTEM.MANAGED.NDURABLE |
rajeshso
Replies: 18 Views: 24762
|
Forum: IBM MQ Performance Monitoring Posted: Wed May 14, 2014 2:04 am Subject: SYSTEM.MANAGED.NDURABLE |
Morag,
Is it possible to switch off acknowledgement ? I am using a J2EE/JMS subscriber that supports Auto Acknowledgement and Dups OK Acknowledgment. Should I turn off Acknowledgment through a MQ s ... |
Topic: SYSTEM.MANAGED.NDURABLE |
rajeshso
Replies: 18 Views: 24762
|
Forum: IBM MQ Performance Monitoring Posted: Tue May 13, 2014 8:31 am Subject: SYSTEM.MANAGED.NDURABLE |
Thanks FJP. Thanks Morag.
The subscribers are connected but are hung.
The UNCOM status is as follows
43 : DISPLAY QSTATUS(SYSTEM.MANAGED.NDURABLE.*) UNCOM
AMQ8450: Display ... |
Topic: SYSTEM.MANAGED.NDURABLE |
rajeshso
Replies: 18 Views: 24762
|
Forum: IBM MQ Performance Monitoring Posted: Tue May 13, 2014 6:03 am Subject: SYSTEM.MANAGED.NDURABLE |
Hi,
Can this be a problem with acknowledging the messages? Are the messages in the NDurable queue the unacknowledged ones?
I am not doing anything with acknowledgement. I rely on TopicSession's d ... |
Topic: SYSTEM.MANAGED.NDURABLE |
rajeshso
Replies: 18 Views: 24762
|
Forum: IBM MQ Performance Monitoring Posted: Tue May 13, 2014 2:01 am Subject: SYSTEM.MANAGED.NDURABLE |
I am not using clustering or remote queue managers. There is only one queue manager, two topics, publishers are present inside EJBs in Websphere Application severs. The Subscribers are core java progr ... |
Topic: SYSTEM.MANAGED.NDURABLE |
rajeshso
Replies: 18 Views: 24762
|
Forum: IBM MQ Performance Monitoring Posted: Tue May 13, 2014 1:43 am Subject: SYSTEM.MANAGED.NDURABLE |
Hi,
A Managed queue is created when I subscribe for non durable messages. The queue is
SYSTEM.MANAGED.NDURABLE.<arbitrary long number>
The publisher publishes to only one dynamic topic. ... |