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Topic:CFLEVEL parm on MQ CFSTRUCT def (MQ z/OS V9)
allenm

Replies: 5
Views: 4876

PostForum:IBM MQ Installation/Configuration Support Posted: Wed Sep 25, 2019 4:43 pm Subject: CFLEVEL parm on MQ CFSTRUCT def (MQ z/OS V9)
what CFLEVEL value on a CFSTRUCT definition is required that will allow a CF structure to expand if the CFRM policy has ALLOWAUTOALT(YES) on the structure definition? We have CFLEVEL(3) and the struct ...
Topic:MQ PUT/GET OUTSIDE SYNCPOINT
allenm

Replies: 23
Views: 14546

PostForum:Mainframe, CICS, TXSeries Posted: Wed Feb 07, 2018 2:42 pm Subject: MQ PUT/GET OUTSIDE SYNCPOINT
Again, what is the business benefit to what you propose? Please be precise, and not just 'efficiencies.' What and how will you measure whether you will reach those efficiencies? Improved by n mill ...
Topic:MQ PUT/GET OUTSIDE SYNCPOINT
allenm

Replies: 23
Views: 14546

PostForum:Mainframe, CICS, TXSeries Posted: Wed Feb 07, 2018 2:31 pm Subject: MQ PUT/GET OUTSIDE SYNCPOINT
I AM TRYING TO DETERMINE IF I SHOULD ENCOURAGE THE APPLICATION TO PUT/GET OUTSIDE OF SYNCPOINT AS ALL THE MESSAGES ARE NON-PERSISTENT. MY UNDERSTANDING IS THIS WILL FREE UP THE LOCKING INHERENT IN COD ...
Topic:MQ PUT/GET OUTSIDE SYNCPOINT
allenm

Replies: 23
Views: 14546

PostForum:Mainframe, CICS, TXSeries Posted: Wed Feb 07, 2018 2:11 pm Subject: MQ PUT/GET OUTSIDE SYNCPOINT
Did you also read the part where it says that there are some efficiency using syncpoint if you're dealing with persistent messages?

YES, AND ALSO THERE ARE EFFICIENCIES USING NON-PERSIST ...
Topic:MQ PUT/GET OUTSIDE SYNCPOINT
allenm

Replies: 23
Views: 14546

PostForum:Mainframe, CICS, TXSeries Posted: Wed Feb 07, 2018 1:44 pm Subject: MQ PUT/GET OUTSIDE SYNCPOINT
You may realize the benefit of throughput improvement, but what risks have you identified if apps are modified to do gets/puts outside-syncpoint?

Your management should ask you this question. I' ...
Topic:MQ PUT/GET OUTSIDE SYNCPOINT
allenm

Replies: 23
Views: 14546

PostForum:Mainframe, CICS, TXSeries Posted: Wed Feb 07, 2018 11:34 am Subject: MQ PUT/GET OUTSIDE SYNCPOINT
Are you a z/OS sysprog? Experience with CF, Parallel Sysplex, WLM? If not, chat with sysprogs, as they are responsible for overall image performance.
YES, I HAVE EXPERIENCE WITH THE ABOVE z/OS COMPO ...
Topic:MQ PUT/GET OUTSIDE SYNCPOINT
allenm

Replies: 23
Views: 14546

PostForum:Mainframe, CICS, TXSeries Posted: Wed Feb 07, 2018 7:51 am Subject: MQ PUT/GET OUTSIDE SYNCPOINT
... ten shared mainframe queues (MQ v8.0) via SVRCONN channels .
Firstly, I'd say that on a z/OS platform, 200/sec is not high-volume.

For clarity: Is your z/OS Parallel Sysplex? Are these sh ...
Topic:MQ PUT/GET OUTSIDE SYNCPOINT
allenm

Replies: 23
Views: 14546

PostForum:Mainframe, CICS, TXSeries Posted: Mon Feb 05, 2018 8:49 am Subject: MQ PUT/GET OUTSIDE SYNCPOINT
Please confirm if my understanding of the following is correct:

Scenario: A distributed application puts a high volume (200-800 per second) of request messages onto ten shared mainframe queues (MQ ...
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