On 3/10/2011 7:38 AM, [email protected] wrote:
The reason why I ask this question - I was informed that increasing the TIOT parmlib parameter from 32 to 64 created performance problems. What ? The change was not made by a CICS nor MVS Sys Prog, but from a DB2/DBA. Know one can tell me what exactly the performance issue was exactly.
Aside from all the other responses, I recall one that was critical at the time the option was first offered. The offset to a DD entry in the TIOT is stored in a half-word in the DCB, and contemporary software used LH to access the field. I would sincerely hope that your system doesn't have legacy code that old and broken <G> Gerhard Postpischil Bradford, VT
