December 2011
Intermediate to advanced
410 pages
9h 59m
English
book
CICS Transaction Server from Start to Finish
by Chris Rayns, Sarah Bertram, George Bogner, Chris Carlin, Andre Clark, Amy Ferrell, Gordon Keehn, Peter Klein, Ronald Lee, Erhard Woerner
Content preview from CICS Transaction Server from Start to Finish
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88 Introduction to CICS Transaction Server from Start to Finish
2.8.5 The importance of collecting CICS statistics
CICS statistics contain information about the CICS system as a whole, for
example, its performance and usage of resources. Statistics data is therefore,
useful both for performance tuning and for capacity planning.
Statistics are collected during CICS online processing for later offline analysis.
The statistics domain writes statistics records to a SMF data set. The records are
of SMF type 110, subtype 0002 or a so-called statistic record.
Let us assume that you want to analyze the performance of the CICS DB2
attachment during the peak time from 10:00 to 12:00 am. To do that, it is
essential to have both performance class records ...
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