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

Buffer pools and group buffer pools
DB2 buffer pools are a key resource for ensuring good performance. This is becoming even more important as the difference between processor speed and disk response time for a random access I/O widens in each new generation of processor. With the decrease in cost of central storage, the opportunity to allocate more of this storage to buffer pools increases. General tuning goals include reducing the frequency of synchronous I/O suspensions, and lowering Other Read I/O suspension as well as Other Write I/O suspension ...

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