| Author |
Message |
 Topic: MQ get message slow performance on AIX |
xmw200
Replies: 12
Views: 14043
|
 Forum: IBM MQ Java / JMS Posted: Mon Sep 18, 2006 7:41 am Subject: MQ get message slow performance on AIX |
Thanks for your detail explaination!
In this case, MQ message(XML message) will put to DW after they are parsed, we don't need to consider persistance and syncpoint.
For your option a) increase ... |
| Topic: MQ get message slow performance on AIX |
xmw200
Replies: 12
Views: 14043
|
Forum: IBM MQ Java / JMS Posted: Mon Sep 18, 2006 4:58 am Subject: MQ get message slow performance on AIX |
Thanks all of your for your expertise advice.
Now we have found the mainly issues is for slow Disk I/O. The AIX machine is very old, about bought 2000 year. When i using 2 java thread to read MQ m ... |
| Topic: MQ get message slow performance on AIX |
xmw200
Replies: 12
Views: 14043
|
Forum: IBM MQ Java / JMS Posted: Thu Sep 14, 2006 1:52 am Subject: MQ get message slow performance on AIX |
Thank you very much.
The messages number is very big. And this disk has many I/Os, addition to MQ. So i think you are right. I will try to move other program which consume IOs to other disks.
B ... |
| Topic: MQ get message slow performance on AIX |
xmw200
Replies: 12
Views: 14043
|
Forum: IBM MQ Java / JMS Posted: Wed Sep 13, 2006 8:36 pm Subject: MQ get message slow performance on AIX |
sorry, i made mistakes again. What i mean is 1/1000 second, not micro seconds.
In this case, one function flow is: MQ get message -> XSLT parse this message -> sequential file.
I found e ... |
| Topic: MQ get message slow performance on AIX |
xmw200
Replies: 12
Views: 14043
|
Forum: IBM MQ Java / JMS Posted: Wed Sep 13, 2006 12:45 pm Subject: MQ get message slow performance on AIX |
Thanks!
In my post, i missed one word. On my Windows, MQ get is very fast, almost always 0.
I am strange why there is so much difference. |
| Topic: MQ get message slow performance on AIX |
xmw200
Replies: 12
Views: 14043
|
Forum: IBM MQ Java / JMS Posted: Wed Sep 13, 2006 9:36 am Subject: MQ get message slow performance on AIX |
Hi, experts:
I met one performance problem when getting message from MQ queue of AIX machine(mq server is at this machine), every q.get(msg, mgo) method will consue about 6 micro seconds. Although ... |
