CICS Transaction Server V2 Performance and Tuning (CI850)
IACET credits 3.2
Learn the key components of CICS Transaction Server for z/OS Version 2 and how to maximize the performance of your CICS system. Armed with the knowledge of how various parameters, design concepts, CICS facilities, operating systems facilities, and network facilities affect the performance of CICS systems, you are equipped to make the appropriate changes on your regions. This course includes topics relevant to CICS TS for z/OS V2.2
Skills Gained
Identify performance bottlenecks
Tune the system for optimum performance
Create standard procedures for monitoring
Who Can Benefit
System programmers responsible for CICS performance.
Prerequisites
You should have a minimum of six months of general CICS systems programming experience.
IBM Education Advantage Program eligibility:
Yes - IBM Education Card
Yes - IBM Education Pack
Yes - IBM Corporate Education Pass
Yes - IBM Education Pack - online account
Remarks
Special note for IBM Business Partners authorized to remarket IBM IT Education Services public classes and on-site classes: This course is excluded from the IBM Technical Training Services for Public Education Program and the IBM Training Services for Enterprises - On-site Education Program for IBM Business Partners.
Yes - IBM Education Card
Yes - IBM Education Pack
Yes - IBM Corporate Education Pass
Yes - IBM Education Pack - online account
Code:
CI850
Length:
4 days
Type:
Instructor-Led
Certified By:
IBM
Tuition:
$2,295
This course is taught by Certified IBM instructors. There is a difference. Learn More
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Course Content Outline
Introduction
Performance objectives
Methodology
Modeling and benchmarking
Resources to tune
MVS interface
Terminology
Address spaces
MVS multitasking
Multiprocessors
Task Control Blocks (TCB), Service Request Blocks (SRB), Work Element Blocks (WEB), real, auxiliary, expanded storage
Hyperspace
Dataspaces
CICS initialization
Initialization sequence
KE_Task space
Dynamic Storage Area (DSA)
Dispatching
MVS dispatching and the System Resources Manager (SRM)
CICS/ESA dispatcher domain
Including priorities, MXT, ICV, and ICVR AMXT where applicable
Storage Management
MVS storage areas and storage isolation
CICS/ESA storage manager domain including DSAs cushions, notify task
Loader domain
Dynamic program storage compression
Program load times - discussion on LLA, LPA, and VLF facilities
Application considerations, paging versus loading
Network
CICS and Virtual Telecommunications Access Method (VTAM), RAPOOL, RAMAX, SEND/RECEIVE sizes, ICVTSD, OPNDLIM, HPO, and application issues
Multiregion Operation / Intersystem Communication (MRO/ISC)
MRO batch
Data transformations and transmission overheads
Priorities and sympathy sickness
Application issues
Direct Access Storage Device (DASD) Input/Output (I/O)
Impact of logical and physical recovery serialization
Buffering QSAM
Temporary storage
RCT parameters
Thread creation/termination and reuse
Storage considerations
DPMODE
Entry, dedicated, and pool threads
Transaction volume considerations
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