| Author |
Message |
 Topic: MQ Tivoli Monitoring - MQ Backout effect on Msg put times |
mdfaraz
Replies: 13
Views: 7084
|
 Forum: General IBM MQ Support Posted: Thu Aug 04, 2011 2:17 pm Subject: MQ Tivoli Monitoring - MQ Backout effect on Msg put times |
The 'Messages Put' and 'Messages Read' both seem to increase. I guess it is because the app read the message 50 times causing Messages Read = 50 and later backed out so 'Messages Put' became 50.
I ... |
| Topic: MQ Tivoli Monitoring - MQ Backout effect on Msg put times |
mdfaraz
Replies: 13
Views: 7084
|
Forum: General IBM MQ Support Posted: Thu Aug 04, 2011 1:54 pm Subject: MQ Tivoli Monitoring - MQ Backout effect on Msg put times |
Yes, it is code executed. the app reads a message and updates a sql DB. In this case, the DB was experiencing issues, so the app would backout the MQ operations(as it should).
So you guys are suggest ... |
| Topic: MQ Tivoli Monitoring - MQ Backout effect on Msg put times |
mdfaraz
Replies: 13
Views: 7084
|
Forum: General IBM MQ Support Posted: Thu Aug 04, 2011 12:37 pm Subject: MQ Tivoli Monitoring - MQ Backout effect on Msg put times |
| The application reads the message under syncpoint and then issues a Queue Manager.backout(). It does not put it back. |
| Topic: MQ Tivoli Monitoring - MQ Backout effect on Msg put times |
mdfaraz
Replies: 13
Views: 7084
|
Forum: General IBM MQ Support Posted: Thu Aug 04, 2011 11:55 am Subject: MQ Tivoli Monitoring - MQ Backout effect on Msg put times |
Thanks for your replies guys,
Couple comments -
The queue monitoring statistics aren't of much help as the read/backout done by the app has an unintended consequence. It seems that the queue statis ... |
| Topic: MQ Tivoli Monitoring - MQ Backout effect on Msg put times |
mdfaraz
Replies: 13
Views: 7084
|
Forum: General IBM MQ Support Posted: Thu Aug 04, 2011 10:20 am Subject: MQ Tivoli Monitoring - MQ Backout effect on Msg put times |
Hi,
I wanted to know the effect of a queue manager backout on the put date time attributes of a message. If an application reads a message under a sync point and later Back outs the transaction what ... |
| Topic: High(100%) CPU usage with Triggered Application |
mdfaraz
Replies: 21
Views: 21686
|
Forum: IBM MQ Java / JMS Posted: Tue Dec 07, 2010 8:09 am Subject: High(100%) CPU usage with Triggered Application |
| I wanted to have a mechanism to stop the app anytime while its processing messages. Even if there are still messages to be processed, I want to stop processing and exit. So I have logic in the while l ... |
| Topic: High(100%) CPU usage with Triggered Application |
mdfaraz
Replies: 21
Views: 21686
|
Forum: IBM MQ Java / JMS Posted: Tue Dec 07, 2010 7:10 am Subject: Miracle! |
Hi Vitor,fjb_saper and Mr. Butcher,
I do not have words to thank you guys enough,
I put in all the guidelines you all stated in these posts(and moved the code directly to production(my management tr ... |
| Topic: High(100%) CPU usage with Triggered Application |
mdfaraz
Replies: 21
Views: 21686
|
Forum: IBM MQ Java / JMS Posted: Mon Dec 06, 2010 7:22 am Subject: High(100%) CPU usage with Triggered Application |
Thanks, Vitor and fjp_saper for your comments
1. I open the connection to the Queue Manager once and also open the Queue only once per program and do subsequent Gets. I close the QMGR/Queue only wh ... |
| Topic: High(100%) CPU usage with Triggered Application |
mdfaraz
Replies: 21
Views: 21686
|
Forum: IBM MQ Java / JMS Posted: Sun Dec 05, 2010 8:35 pm Subject: Performance Problems still |
Hi Vitor and others,
I am using MQ version 7 and assume most updated with service packs and all the good stuff.
Thanks a lot for your words of wisdom. I got this issue the moment I installed into p ... |
| Topic: High(100%) CPU usage with Triggered Application |
mdfaraz
Replies: 21
Views: 21686
|
Forum: IBM MQ Java / JMS Posted: Sat Dec 04, 2010 2:46 pm Subject: High(100%) CPU usage with Triggered Application |
Hi Vitor,
Thanks again for your leads. Few comments..
mdfaraz wrote:
amqrmppa.exe *32 is taking about 6% of CPU(16 core 2.2 GHz each, 32GB RAM) which I believe is a lot of comsumption.
Vitor w ... |
| Topic: High(100%) CPU usage with Triggered Application |
mdfaraz
Replies: 21
Views: 21686
|
Forum: IBM MQ Java / JMS Posted: Fri Dec 03, 2010 1:48 pm Subject: Polling Queue depth continously not chugging CPU much |
| @Vitor: Thanks for your reply. However I see some different behaviour. I ran the polling app(which used to run on a different app server) on the MQ server. And I saw the CPU use going upto 30-35%. amq ... |
| Topic: High(100%) CPU usage with Triggered Application |
mdfaraz
Replies: 21
Views: 21686
|
Forum: IBM MQ Java / JMS Posted: Fri Dec 03, 2010 8:37 am Subject: High(100%) CPU usage with Triggered Application |
Hi,
Few months ago, I had developed a .NET application that wud run on an app server and poll for messages on an MQ Queue on an remote MQ server. this app would run in an infinite loop looking for m ... |
| Topic: Is WebSphere MQ 7.0 compatible with SQL Server 2008 |
mdfaraz
Replies: 25
Views: 61774
|
Forum: Multiphase Commit Posted: Fri Sep 03, 2010 12:31 pm Subject: Equivalent in .NET? |
Here the qmgr will act as transaction manager and as such needs to know about the XA resource, hence this statement.
That means the queue manager exposes API to somehow 'know' the XA resource.
W ... |
| Topic: Is WebSphere MQ 7.0 compatible with SQL Server 2008 |
mdfaraz
Replies: 25
Views: 61774
|
Forum: Multiphase Commit Posted: Fri Sep 03, 2010 7:19 am Subject: jdbc |
Thanks Vitor,
but what do u make of the qmgr.getJDBCConnection(myDataSource) statement in the java code. Obviously its a method of Queue Manager which is probably available in Java dlls of mq but not ... |
| Topic: Is WebSphere MQ 7.0 compatible with SQL Server 2008 |
mdfaraz
Replies: 25
Views: 61774
|
Forum: Multiphase Commit Posted: Fri Sep 03, 2010 7:01 am Subject: Some sample in .NET?? |
| Thanks everyone for your replies, you have cleared most of my doubts. So I believe I should not commit my transactions explicitly but let the queue manager(the coordinator of resource managers in my c ... |
