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4 Methods of Prompt Engineering

Have you heard of these AI prompt engineering methods? • Retrieval Augmented Generation (RAG) • Chain-of-Thought (COT) • ReACT (Reason + Act) • Directional Stimulus…

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Unit 10, Section 2: OSAM data sets and buffering

This video provides an overview of OSAM data sets and OSAM buffer pools, and how these components affect IMS TM performance.

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Unit 10, Section 1: VSAM data sets and buffering

This video provides an overview of VSAM data sets, which come in several varieties: key-sequenced data sets (KSDS) and entry-sequenced data set (ESDS). The video also discusses how to tune VSAM…

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Unit 9, Section 3: Identifying the source of excess IWAIT time

This video describes the following IMS Monitor reports that can be used to analyze an IMS IWAIT problem:Program summary report Program I/O report Call Summary report

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Unit 9, Section 2: IRLM overview and how to reduce program elapsed times

This video describes IRLM, IRLM startup parameters such as SCOPE and PC, and how these components affect performance.

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Unit 9, Section 1: Components of program elapsed time

This video describes the components of program elapsed time and how and want to monitor in terms of IMS TM performance.

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Unit 8, Section 1: Program loading

This video describes: Which IMS Monitor reports document program load time The program loading techniques available for an IMS MPR Key MPR JCL parameters that impact program load The steps IMS MPRs…

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Unit 7, Section 7: Application termination processing

This video describes the process of terminating applications, including how output messages are queued to a final destination.

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Unit 7, Section 6: IMS TM scheduling pools

This video covers Partition Specification Table (PST), the PSB Segment Intent List (PSIL), PDIR, PSB work pool, and other pools and control blocks that can affect IMS TM performance.

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Unit 7, Section 5: IMS TM scheduling, part 4: failures and conflicts

This video describes two categories of failures: external conflicts and internal conflicts.

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Unit 7, Section 4: IMS TM scheduling, part 3: block loader and resident pool

This video describes the block loader (or block mover) and resident pools. The block loader is responsible for working with the storage manager (Variable Pool Storage Manager) to acquire contiguous…

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Unit 7, Section 3: IMS TM scheduling, part 2: allocating resources and scheduling steps

This video describes how transactions are selected for processing and resource allocation, and how these processes can affect IMS TM performance.

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Unit 7, Section 2: IMS TM scheduling, part 1: scheduling options and types

This video describes the following scheduling parameter, options, and types:PROCLIM Wait-For-Input (WFI) Pseudo Wait-For-Input (WFI) SERIAL scheduling PARALLEL scheduling Application load balancing

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Unit 7, Section 1: IMS scheduler overview

This video provides an overview of the IMS Scheduler. At the request of the dependent region, transactions are selected and scheduled by priority within class.

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Unit 6, Section 5: Monitoring z/OS

Resource Measurement Facility (RMF) is an IBM z/OS component that enables z/OS systems programmers and performance analysts to assess how well systems are performing. This video shows how RMF creates…

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Unit 6, Section 4: Additional options for WLM goal mode

This video describes more options that you can use for WLM goal mode, such as CPU critical, storage critical, and report class.

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