Kevin,
Thank you for your reply. I downloaded the March 2015 - MP16: Capacity
Planning and Tuning for IBM MQ for z/OS. You are probably right, I should come
up with a baseline instead of applying Kentucky windage.
Thanks again, Dave
-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf
Of Neubert, Kevin
Sent: Wednesday, July 20, 2016 12:39 PM
To: [email protected]
Subject: Re: MQ Buffer expansion
Of course it depends, but 20000 for buffer pool 0 could be low as well. Any
chance you can actually analyze the buffer pool performance statistics?
Example information on the subject:
https://www.ibm.com/support/knowledgecenter/en/SSFKSJ_8.0.0/com.ibm.mq.mon.doc/q038340_.htm.
Otherwise the following mentions real storage:
https://www.ibm.com/support/knowledgecenter/SSFKSJ_8.0.0/com.ibm.mq.pla.doc/q006005_.htm.
Regards,
Kevin
-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf
Of Hansen, Dave L - Eagan, MN
Sent: Wednesday, July 20, 2016 9:44 AM
To: [email protected]
Subject: FW: MQ Buffer expansion
Hi, I tried the MQ group (as I know it), but I haven't heard back.
Does someone know what effect upping MQ pools will have?
Many Thanks in advance, Dave
From: Hansen, Dave L - Eagan, MN
Sent: Monday, July 18, 2016 3:26 PM
To: '[email protected]'
Subject: MQ Buffer expansion
Dear Group,
Our buffer pools may be too small. I see Pool 0 and Pool 1 as 2000 buffers
instead of the 20000 suggested by IBM. The page sets show NO Expansion count.
My CHIN goes into message allocation and drops the Channel with ETIMEDOUT.
Q). If I up my Pools by ten-fold, will I have to worry where the storage comes
out of? Like CSA is for CICS, or something?
Thank you, Dave
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