On 18/05/2021 5:21 pm, David Crayford wrote:
Do they have a zIIP on the RDP system?
Yes, although the regular CPs are the same speed. Having the zIIP means
I can get figures for zIIP, CP and zIIP on CP.
Are you talking about CMF 110 records? If so we've both worked on
similar stuff. One of our products is a CICS Performance Analyzer.
It's written in HLASM. A couple of years ago the CTO at the time was
interested in using Java to process
SMF records and me to port the HLASM code to Java. When we ran it on
our z13s the Java code smashed the HLASM. The reason was because the
Jave was running on a full capacity zIIP and the HLASM code on a
sub-capacity GP.
BTW, what kind of compression do you mean?
Yes, the CMF 110 records. I decompress the RLE compression in the record
in Java. That means that the data can be processed on a PC if desired.
(I even processed CICS SMF data on a Raspberry Pi to prove it could be
done!)
I'm happy to use the standard operating system facilities to decompress
data from the SMF logstreams. Sometimes it would be nice to get the
compressed data e.g. if I'm just going to compress it again to transfer
somewhere else, but for reporting the uncompressed data is what I want.
Andrew Rowley
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