> -----Original Message----- > From: IBM Mainframe Discussion List > [mailto:[EMAIL PROTECTED] On Behalf Of Ed Gould > Sent: Thursday, July 07, 2005 11:36 AM > To: IBM-MAIN@BAMA.UA.EDU > Subject: Re: IBM VSAM Statistics are often Bogus > >
<snip> > Bruce, > > Not sure it was either... But getting back to the issue on incorrect > stats... does it use the stats in the catalog or does it > "examine" the > vsam dataset to make the recommendation? > > Ed If he's talking about VSAMAID from CA, the manual states: <quote> Once installation has been completed, it is necessary to perform a statistics collection run for the VSAM clusters in batch. Although this process has been optimized to execute as quickly as possible, the elapsed time depends on the number of clusters selected and how many records each one contains. Each cluster is read in its entirety. </quote> -- John McKown Senior Systems Programmer UICI Insurance Center Information Technology This message (including any attachments) contains confidential information intended for a specific individual and purpose, and its' content is protected by law. If you are not the intended recipient, you should delete this message and are hereby notified that any disclosure, copying, or distribution of this transmission, or taking any action based on it, is strictly prohibited. ---------------------------------------------------------------------- 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
