Z15 zedc compression and CONNECT DIRECT, MFT compression
First off, thank you to all that responded to this inquiry. Some additional information: On our systems that are still running on the z/14 processor, the triplets, Offset, Length, and Count are all present in the SMF type 30 record. The products in question are using the unauthorized method of zEDC compression and de-compression. In order to get the use of the facility, it was Necessary to add FPZ.ACCELERATOR.COMPRESSION Read access the specific started tasks. This was necessary in the pre z/15 days. For SMF type 30 records created on non z/15 processors, All 3 fields are filled in with data. With the compression now incorporated in the z/15 hardware, we have seen only the Offset and length fields filled in. I need to point out that only the un-authorized tasks exhibit this Anomaly. The reference material I have viewed is https://www-01.ibm.com/servers/resourcelink/svc00100.nsf/pages/zOSV2R4sa2313 77/$file/ieac100_v2r4.pdf . It's not a big issue, just that how do we know if compression is really taking place Sincerely; Kenneth J. Kripke -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Z15 zedc compression and CONNECT DIRECT, MFT compression
In my SMF experience ... If the triplet offset or count field is zero then the segment does not exist. End of story. If the triplet length field is zero then - For most SMF record types that means the segment does not exist. - For Db2, and perhaps a few other types, it means each segment contains its own length in the first halfword. Charles -- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
Re: Z15 zedc compression and CONNECT DIRECT, MFT compression
Duh, Go to OFFSET and INPUT the LENGTH field.
Barry
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Barry Merrill
Sent: Friday, December 11, 2020 11:02 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Z15 zedc compression and CONNECT DIRECT, MFT compression
It is very common for SMF "Triplets" of Offset, Length, and Count to
populate the OFFSET, but to not populate the Count for segments that do not
exist in the record. And there can be more than one triplets with that same
OFFSET populated but with Counts zero.
It is also common to see segments that are present with OFFSET and COUNT
populated but with the LENGTH zero, which means you have to go to OFFSET and
INPUT the count field to process those segments.
Barry
Herbert W Barry Merrill, PHD
President-Programmer
Merrill Consultants
MXG Software
10717 Cromwell Drive
Dallas, TX 75229
www.mxg.com
214 351 1966
ad...@mxg.com for business questions
supp...@mxg.com for technical questions
ba...@mxg.com
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Jousma, David
Sent: Wednesday, December 9, 2020 12:13 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Z15 zedc compression and CONNECT DIRECT, MFT compression
If you are using MXG with SAS, its likely you might need an update there?
_
Dave Jousma
AVP | Director, Technology Engineering
Fifth Third Bank | 1830 East Paris Ave, SE | MD RSCB2H | Grand Rapids,
MI 49546
616.653.8429 | fax: 616.653.2717
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Kenneth J. Kripke
Sent: Wednesday, December 9, 2020 12:52 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Z15 zedc compression and CONNECT DIRECT, MFT compression
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Hello;
We have upgraded from a Z14 to Z15 processor, and, have experienced
something curious regarding the SMF TYPE 30 section being generated for
Connect Direct as well as Tibco's MFT 8.0 file transfer products.
Both products are enabled to use ZEDC compression, but, when generating SAS
reports from SMF type 30 records, we see SMF30USO{Offset to zEDC usage
statistics Section} and the, SMF30USL{Length of zEDC usage statistics
Section} containing data.
We do not see the SMF30USN{Number of zEDC usage statistics sections} having
data. This has been noticed since upgrading from a z14 to a z15 processor.
Has anyone else seen anything like this in their environment running MFT 8.0
or Connect Direct ?
Kenneth J. Kripke
3433 Plumtree Drive
Apt. K
Ellicott City, MD. 21042
Phones:
Land: 410-696-2307
Cell:443-851-1237
k.kri...@comcast.net <mailto:k.kri...@comcast.net> Preferred
kennethkri...@gmail.com <mailto:kennethkri...@gmail.com>
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Re: Z15 zedc compression and CONNECT DIRECT, MFT compression
It is very common for SMF "Triplets" of Offset, Length, and Count
to populate the OFFSET, but to not populate the Count for segments
that do not exist in the record. And there can be more than one
triplets with that same OFFSET populated but with Counts zero.
It is also common to see segments that are present with
OFFSET and COUNT populated but with the LENGTH zero,
which means you have to go to OFFSET and INPUT the count field to
process those segments.
Barry
Herbert W Barry Merrill, PHD
President-Programmer
Merrill Consultants
MXG Software
10717 Cromwell Drive
Dallas, TX 75229
www.mxg.com
214 351 1966
ad...@mxg.com for business questions
supp...@mxg.com for technical questions
ba...@mxg.com
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Jousma, David
Sent: Wednesday, December 9, 2020 12:13 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Z15 zedc compression and CONNECT DIRECT, MFT compression
If you are using MXG with SAS, its likely you might need an update there?
_
Dave Jousma
AVP | Director, Technology Engineering
Fifth Third Bank | 1830 East Paris Ave, SE | MD RSCB2H | Grand Rapids,
MI 49546
616.653.8429 | fax: 616.653.2717
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Kenneth J. Kripke
Sent: Wednesday, December 9, 2020 12:52 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Z15 zedc compression and CONNECT DIRECT, MFT compression
**CAUTION EXTERNAL EMAIL**
**DO NOT open attachments or click on links from unknown senders or
unexpected emails**
Hello;
We have upgraded from a Z14 to Z15 processor, and, have experienced
something curious regarding the SMF TYPE 30 section being generated for
Connect Direct as well as Tibco's MFT 8.0 file transfer products.
Both products are enabled to use ZEDC compression, but, when generating SAS
reports from SMF type 30 records, we see SMF30USO{Offset to zEDC usage
statistics Section} and the, SMF30USL{Length of zEDC usage statistics
Section} containing data.
We do not see the SMF30USN{Number of zEDC usage statistics sections} having
data. This has been noticed since upgrading from a z14 to a z15 processor.
Has anyone else seen anything like this in their environment running MFT 8.0
or Connect Direct ?
Kenneth J. Kripke
3433 Plumtree Drive
Apt. K
Ellicott City, MD. 21042
Phones:
Land: 410-696-2307
Cell:443-851-1237
k.kri...@comcast.net <mailto:k.kri...@comcast.net> Preferred
kennethkri...@gmail.com <mailto:kennethkri...@gmail.com>
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For IBM-MAIN subscribe / signoff / archive access instructions,
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Re: Z15 zedc compression and CONNECT DIRECT, MFT compression
If you are using MXG with SAS, its likely you might need an update there?
_
Dave Jousma
AVP | Director, Technology Engineering
Fifth Third Bank | 1830 East Paris Ave, SE | MD RSCB2H | Grand Rapids, MI
49546
616.653.8429 | fax: 616.653.2717
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Kenneth J. Kripke
Sent: Wednesday, December 9, 2020 12:52 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Z15 zedc compression and CONNECT DIRECT, MFT compression
**CAUTION EXTERNAL EMAIL**
**DO NOT open attachments or click on links from unknown senders or unexpected
emails**
Hello;
We have upgraded from a Z14 to Z15 processor, and, have experienced
something curious regarding the SMF TYPE 30 section being generated for Connect
Direct as well as Tibco's MFT 8.0 file transfer products.
Both products are enabled to use ZEDC compression, but, when generating SAS
reports from SMF type 30 records, we see SMF30USO{Offset to zEDC usage
statistics Section} and the, SMF30USL{Length of zEDC usage statistics Section}
containing data.
We do not see the SMF30USN{Number of zEDC usage statistics sections} having
data. This has been noticed since upgrading from a z14 to a z15 processor.
Has anyone else seen anything like this in their environment running MFT 8.0 or
Connect Direct ?
Kenneth J. Kripke
3433 Plumtree Drive
Apt. K
Ellicott City, MD. 21042
Phones:
Land: 410-696-2307
Cell:443-851-1237
k.kri...@comcast.net <mailto:k.kri...@comcast.net> Preferred
kennethkri...@gmail.com <mailto:kennethkri...@gmail.com>
--
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Re: Z15 zedc compression and CONNECT DIRECT, MFT compression
W dniu 09.12.2020 o 18:52, Kenneth J. Kripke pisze:
Hello;
We have upgraded from a Z14 to Z15 processor, and, have experienced
something curious regarding the SMF TYPE 30 section being generated for
Connect Direct as well as Tibco's MFT 8.0 file transfer products.
Both products are enabled to use ZEDC compression, but, when generating SAS
reports from SMF type 30 records, we see SMF30USO{Offset to zEDC usage
statistics Section} and the, SMF30USL{Length of zEDC usage statistics
Section} containing data.
We do not see the SMF30USN{Number of zEDC usage statistics sections} having
data. This has been noticed since upgrading from a z14 to a z15 processor.
Has anyone else seen anything like this in their environment running MFT 8.0
or Connect Direct ?
Kenneth,
Please note, the hardware for zEDC functionality is completely rebuilt
between z14 and z15.
In z14 it was I/O card, in z15 it is part of CPU IC. From user point of
view it is just faster engine, but inside it work different way.
Maybe this is the reason of changes in SMF records?
--
Radoslaw Skorupka
Lodz, Poland
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Z15 zedc compression and CONNECT DIRECT, MFT compression
Hello;
We have upgraded from a Z14 to Z15 processor, and, have experienced
something curious regarding the SMF TYPE 30 section being generated for
Connect Direct as well as Tibco's MFT 8.0 file transfer products.
Both products are enabled to use ZEDC compression, but, when generating SAS
reports from SMF type 30 records, we see SMF30USO{Offset to zEDC usage
statistics Section} and the, SMF30USL{Length of zEDC usage statistics
Section} containing data.
We do not see the SMF30USN{Number of zEDC usage statistics sections} having
data. This has been noticed since upgrading from a z14 to a z15 processor.
Has anyone else seen anything like this in their environment running MFT 8.0
or Connect Direct ?
Kenneth J. Kripke
3433 Plumtree Drive
Apt. K
Ellicott City, MD. 21042
Phones:
Land: 410-696-2307
Cell:443-851-1237
k.kri...@comcast.net Preferred
kennethkri...@gmail.com
--
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