Thomas Your advice is very useful for me, thanks a lot.
At 2011-02-28 21:04:15，"Thomas Dunlap" <[email protected]> wrote: >Eric, > >ZCIOWAIT indicates VTAM terminal control wait. My first guess is that >you are function shipping to another CICS region using VTAM connections >between the regions and you are looking at the front-end transaction. >In this case this is a normal situation. As for optimizing, it is >really dependent upon the function the back-end region. Improve the >task in the back-end region and you will shorten the wait in the front-end. > >-- > >Regards, >Thomas Dunlap Chief Technology Officer [email protected] >Themis, Inc. http://www.themisinc.com 1 (800) 756-3000 > > >On 2/28/2011 5:52 AM, Eric JL wrote: >> When I run a CICS trans, it is use for DB2 select update, found it spend a >> lot >> of time on ZCIOWAIT. Is this a problem? How can I optimize it. >> >> The trans dump >> DATE TIME JOBNAME TRANID TASK# TERMID RESP CPU PAGING ILEIO >> 02/24 00:00:01 CICSA TR68 85748 111.097 0.2186 0 727 >> 02/24 00:00:02 CICSA TR68 87201 0.0346 0.0074 0 17 >> 02/24 00:00:29 CICSA TR68 87583 1.1215 0.1548 0 473 >> 02/24 00:00:51 CICSA TR68 85748 50.6486 0.3856 0 1,162 >> >> >> TR68 #85748 >> >> RES TYPE RES NAME WT CNT WT TIME % OF RESPONSE >> CHANGE PRIOPRITY 60 0.0086 0.00 >> SWITCH TCB 1,454 0.03320 0.29 >> WAIT W/O ID 3 0.0039 0.00 >> WAIT FOR REDSPTCH 1,578 0.3363 0.30 >> ZCIOWAIT 63 1:50.1226 99.12 >> 1ST DISPATCH 1 0.0001 0.00 >> >> ---------------------------------------------------------------------- >> For IBM-MAIN subscribe / signoff / archive access instructions, >> send email to [email protected] with the message: GET IBM-MAIN INFO >> Search the archives at http://bama.ua.edu/archives/ibm-main.html >> > >---------------------------------------------------------------------- >For IBM-MAIN subscribe / signoff / archive access instructions, >send email to [email protected] with the message: GET IBM-MAIN INFO >Search the archives at http://bama.ua.edu/archives/ibm-main.html
