| Author |
Message |
 Topic: Process amqrmppa takes high CPU rates |
yupoet
Replies: 12
Views: 15165
|
 Forum: General IBM MQ Support Posted: Thu Jul 26, 2012 9:25 pm Subject: Process amqrmppa takes high CPU rates |
What does your change management system say was newly implemented on that day?
A new application making new use of the system?
A change to an existing application to add new users or new capac ... |
| Topic: Process amqrmppa takes high CPU rates |
yupoet
Replies: 12
Views: 15165
|
Forum: General IBM MQ Support Posted: Thu Jul 26, 2012 6:57 pm Subject: Process amqrmppa takes high CPU rates |
| MAXINST / MAXINSTC does not apply to MQ v6 I think |
| Topic: Process amqrmppa takes high CPU rates |
yupoet
Replies: 12
Views: 15165
|
Forum: General IBM MQ Support Posted: Wed Jul 18, 2012 12:55 am Subject: Process amqrmppa takes high CPU rates |
One more observation: by checking "attribute report for AIX MQ" ,
there were around 300 "Jobs in Minute" in the past, stay at a stable level.
On one day, suddenly it increas ... |
| Topic: Process amqrmppa takes high CPU rates |
yupoet
Replies: 12
Views: 15165
|
Forum: General IBM MQ Support Posted: Wed Jul 18, 2012 12:20 am Subject: Process amqrmppa takes high CPU rates |
Around 200 SVRCONN channels running, and 200 connections when using dis conn(*) to check.
The listener is defined by Define and up along with queue manager.
We did have more than 200 channels ... |
| Topic: Process amqrmppa takes high CPU rates |
yupoet
Replies: 12
Views: 15165
|
Forum: General IBM MQ Support Posted: Wed Jul 18, 2012 12:04 am Subject: Process amqrmppa takes high CPU rates |
Example of the svrconn channel which are a lot running
1 : dis chs(*) all
AMQ8417: Display Channel Status details.
CHANNEL(aaaaaa) CHLTYPE(SVRCONN)
BUFSRCVD(812954) ... |
| Topic: Process amqrmppa takes high CPU rates |
yupoet
Replies: 12
Views: 15165
|
Forum: General IBM MQ Support Posted: Tue Jul 17, 2012 11:42 pm Subject: Process amqrmppa takes high CPU rates |
Process checking:
ps -efo pcpu,pmem,uid,pid,ppid,comm | sort -r
%CPU %MEM UID PID PPID COMMAND
2.7 0.0 12 11010162 8323180 amqzlaa0_nd
1.0 0.0 12 10485974 11272254 amqrmppa ... |
| Topic: Process amqrmppa takes high CPU rates |
yupoet
Replies: 12
Views: 15165
|
Forum: General IBM MQ Support Posted: Tue Jul 17, 2012 11:14 pm Subject: Process amqrmppa takes high CPU rates |
Platform
AIX
MQ Version
6.0.2.8
Problem
There are 5 amqrmppa processes which occupy 100% CPU time when I checked using TOP command. Then the performance of this MQ is slow.
Observation Poi ... |
| Topic: AS400 - Long recovery from Journal after copy disk to disk |
yupoet
Replies: 6
Views: 6992
|
Forum: General IBM MQ Support Posted: Thu May 24, 2012 8:59 pm Subject: AS400 - Long recovery from Journal after copy disk to disk |
Thank you for the comments.
I have removed some logs which might not be useful. Still I left a bit on the page, in case any of them are informational. |
| Topic: AS400 - Long recovery from Journal after copy disk to disk |
yupoet
Replies: 6
Views: 6992
|
Forum: General IBM MQ Support Posted: Thu May 24, 2012 8:20 am Subject: AS400 - Long recovery from Journal after copy disk to disk |
| My rough conclusion is that , the MQ found something missing (maybe the Queue Manager was not shut down correctly), and then trying to recover from checkpoints, hence lots of journal have to be read, ... |
| Topic: AS400 - Long recovery from Journal after copy disk to disk |
yupoet
Replies: 6
Views: 6992
|
Forum: General IBM MQ Support Posted: Thu May 24, 2012 8:14 am Subject: AS400 - Long recovery from Journal after copy disk to disk |
The background is --> the users have never performed a stop/start before until this time migration. And he/she have never performed any journal management activities.
I have checked the jour ... |
| Topic: AS400 - Long recovery from Journal after copy disk to disk |
yupoet
Replies: 6
Views: 6992
|
Forum: General IBM MQ Support Posted: Thu May 24, 2012 8:11 am Subject: FDC AL057001 with arcE_LOG_RECD_NOT_FOUND |
And there is two FDC related to journal
+-----------------------------------------------------------------------------+
| ... |
| Topic: AS400 - Long recovery from Journal after copy disk to disk |
yupoet
Replies: 6
Views: 6992
|
Forum: General IBM MQ Support Posted: Thu May 24, 2012 8:09 am Subject: wrkobj AMQZXMAX |
We did a wrkjob AMQZXMAX and found the spool files log -->
CPF7073 Escape 40 05/23/12 11:17:21.227160 QJORTVJE
To module . . . . ... |
| Topic: AS400 - Long recovery from Journal after copy disk to disk |
yupoet
Replies: 6
Views: 6992
|
Forum: General IBM MQ Support Posted: Thu May 24, 2012 8:08 am Subject: AS400 - Long recovery from Journal after copy disk to disk |
We did a hardisk to hardisk copy (just like clone) to migrate MQ system from one AS400 system to another.
It took a long time (5 hours) to start one queue manager, out of totally 3. The other 2 is ... |
| Topic: heatbeat in MQSVRCONN for MQ v6 vs MQ v7 |
yupoet
Replies: 3
Views: 3602
|
Forum: General IBM MQ Support Posted: Mon May 07, 2012 8:21 am Subject: heatbeat in MQSVRCONN for MQ v6 vs MQ v7 |
| In this case, suppose there is a MQ AIX v6, a server connection channel is there, the client could not keep it alive if just only putting message into the queue, unless it do a MQGET with WAIT option? ... |
| Topic: heatbeat in MQSVRCONN for MQ v6 vs MQ v7 |
yupoet
Replies: 3
Views: 3602
|
Forum: General IBM MQ Support Posted: Mon May 07, 2012 5:12 am Subject: heatbeat in MQSVRCONN for MQ v6 vs MQ v7 |
Read a sentence in MQ v7 Infocenter:
http://publib.boulder.ibm.com/infocenter/wmqv7/v7r0/index.jsp?topic=%2Fcom.ibm.mq.explorer.doc%2Fe_properties_zosconfiguring.htm, search "Heartbeat interv ... |
