IBM has published another CICS whitepaper that will be of interest to everyone squeezing more performance out of CICS using the OTE available in V3 – Threadsafety and the CICS Open Transaction Environment: Background, Hints, and Tips, by Tony Fitzgerald and Andy Wright. Tony is a CICS Software Support Specialist with IBM Global Services, and [...]
Posts Tagged as ‘threadsafe’
January 9, 2009
IBM Teleconference – CICS and DB2 Performance
If you have CICS and DB2, be sure to register for the free IBM teleconference Blow the doors off CICS and DB2! It will be held at 11 a.m. EST (4 p.m. GMT) on January 13, 2009. If you cannot attend, you can watch it later (view the teleconference page for details).
This teleconference is being [...]
November 10, 2008
Fix for CICS 3.2 CPU Utilization Problem
IBM has issued APAR PK70646 (PTF UK40779) to address a CPU utilization problem in CICS 3.2. The problem is specific to programs defined as threadsafe that perform DB2 calls and many (non-DB2) filecontrol requests. Such programs were experiencing excessive TCB switches, driving up CPU utilization.
Shops with DB2 running programs defined as threadsafe in CICS 3.2 should [...]