IBM i Performance Frequently Asked Questions Revisited

Back in 2013, IBM first published the IBM i Performance FAQ; this document is a fantastic resource on all types of performance topics.  It reviews the various components of system performance, discusses benchmarking, sizing and capacity planning, monitoring, and covers the performance tools that are available on i.  The document has answers to many commonly asked questions, and ends with an extensive list of references.  I first blogged about it here.

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What Happened to the IBM i PCRM?

The Performance Capabilities Reference Manual (PCRM) was THE resource many used when they needed to know something about IBM i performance. That something could be information about performance test results, I/O performance information, performance considerations for IPL, save/restore, partitioning, CPW ratings and many other miscellaneous topics. The last large version of the PCRM was published for IBM i 7.1 in August of 2013. When IBM i 7.2 became available in spring of 2014, that update of the PCRM was substantially smaller.

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IBM i Performance Frequently Asked Questions

IBM recently published an IBM i Performance FAQ. This document is a fantastic resource on all types of performance topics. It reviews the various components of system performance, discusses benchmarking, sizing and capacity planning, monitoring, and covers the performance tools that are available on i. The document has answers to many commonly asked questions and ends with an extensive list of references.

(more…)