IIRC The act of splitting is relatively expensive due to all of the stuff that has to happen. But afterward, it is no issue.
A reorg to consolidate CI's and open up the free space is sometimes a good idea. As usual YMMV. -----Original Message----- From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of Ted MacNEIL Sent: Friday, April 03, 2009 1:47 PM To: [email protected] Subject: Re: CA and CI splits >In a extended VSAM file using SMS, will the presence of 35K CI splits and 5K >ca splits affect performance? >This dataset has only one stripe. I know that in the old days of real 3390's >this might have been a factor, but how about today where real 3390's are not >used? Read the RedBook "VSAM De-Mystified". Splits were never really a problem, and even less of one, today. - Too busy driving to stop for gas! ---------------------------------------------------------------------- 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 NOTICE: This electronic mail message and any files transmitted with it are intended exclusively for the individual or entity to which it is addressed. The message, together with any attachment, may contain confidential and/or privileged information. Any unauthorized review, use, printing, saving, copying, disclosure or distribution is strictly prohibited. If you have received this message in error, please immediately advise the sender by reply email and delete all copies. ---------------------------------------------------------------------- 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

