Understanding GRS ENQ and Latch Usage and Contention

In this session, the speaker discusses GRS resource consumption and the various IBM tools related to monitoring ENQ and GRS latch contention. Contention is a good indication that something is hung, things changed, or that it's probably not a good idea to scheduled two contentious jobs at the time. Tools include GRS display commands, the GRS EQDQ monitor, and RMF related reporting. Understanding how GRS works with regard to system resources demands such as real storage, XCF and XES is also covered.

Tracks: z/OS Systems Programming