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MQSeries.net Forum IndexGeneral IBM MQ SupportEffect of shared conversation on CHIN/MCA overhead

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zpat
PostPosted: Thu Nov 26, 2020 11:12 pm Post subject: Reply with quote

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Joined: 19 May 2001
Posts: 5729
Location: UK

In prod - 96 adapter, 60 dispatcher, 8 SSL tasks.
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Well, I don't think there is any question about it. It can only be attributable to human error. This sort of thing has cropped up before, and it has always been due to human error.
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bruce2359
PostPosted: Fri Nov 27, 2020 8:35 am Post subject: Reply with quote

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Joined: 05 Jan 2008
Posts: 8887
Location: US: west coast, almost. Otherwise, enroute.

zpat wrote:
In prod - 96 adapter, 60 dispatcher, 8 SSL tasks.

What does RMF report on CHIN hardware resource utilization, like wait on processor?
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Five out of four people have trouble with fractions. - Steven Wright.
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zpat
PostPosted: Sat Nov 28, 2020 11:50 pm Post subject: Reply with quote

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Location: UK

I don't have a pass to enter the hallowed portal of z/os systems programming.

Before I risk disturbing the demi-Gods, what sort of issue are you suggesting here?
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Well, I don't think there is any question about it. It can only be attributable to human error. This sort of thing has cropped up before, and it has always been due to human error.
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bruce2359
PostPosted: Sun Nov 29, 2020 8:14 am Post subject: Reply with quote

Poobah

Joined: 05 Jan 2008
Posts: 8887
Location: US: west coast, almost. Otherwise, enroute.

zpat wrote:
I don't have a pass to enter the hallowed portal of z/os systems programming.

Before I risk disturbing the demi-Gods, what sort of issue are you suggesting here?

Number of Adapters and dispatchers seems well provisioned, but does the LPAR have sufficient CPU horsepower to keep up with the adapter and dispatcher workload? MVS sees processors in whole numbers, but its possible that the LPAR has 0.25 CPU allocated to it.
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Five out of four people have trouble with fractions. - Steven Wright.
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zpat
PostPosted: Wed Dec 02, 2020 9:41 am Post subject: Reply with quote

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Location: UK

These CHINs are on production Z14s - not hitting 100% CPU overall.
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Well, I don't think there is any question about it. It can only be attributable to human error. This sort of thing has cropped up before, and it has always been due to human error.
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bruce2359
PostPosted: Wed Dec 02, 2020 9:46 am Post subject: Reply with quote

Poobah

Joined: 05 Jan 2008
Posts: 8887
Location: US: west coast, almost. Otherwise, enroute.

zpat wrote:
These CHINs are on production Z14s - not hitting 100% CPU overall.

SMF reporting this? Or, RMF?
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