O'Reilly logo

Subsystem and Transaction Monitoring and Tuning with DB2 11 for z/OS by Yasuhiro Ohmori, Cathy Drummond, Adrian Burke, Felipe Bortoletto, Paolo Bruni

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

System address space CPU time
This chapter is centered around the system address space level CPU consumption. The statistics report shows each of the 4 core address spaces (MSTR, DBM1, DIST, and IRLM) broken down by TCB, SRB, and zIIP time. We consider how these numbers should compare to each other, and what the DBA or system’s programmer can do to affect these numbers.
This chapter contains the following topics:
4.1 What contributes to address space CPU time

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required