"R Hey" <[email protected]> wrote in message news:<listserv%[email protected]>... > > Why does the percent of page slots keep increasing over time. > > That got me too. First I thought we had a bug. But it appears to be a feature. > It seems that not all page-outs would be brought in, unless they are wanted.
Pages are only brought in when they are wanted. Still, the page on the pagedataset remains there, so if the page has to be paged out again and it has not change, one pageout I/O is saved. They are freed when the page is deleted, since there is no reason to keep a copy anymore. So from the time of the IPL, you will see the pagedatasets filling until some balance has been reached. If you don't want this, you will probably need tons of extra memory. > > I like the idea of NOT running the big sort jobs at the same time. I do. If memory is available or can be made available, use it to eliminate I/O. Have a look at your UIC values. The pages that will be paged out, will probably be unreferenced for hours. If all this does not result in heavy page-ins, I think you are exploiting your memory efficiently. Kees. > > Rez > > Memory is the first to go & I can't remember the second one ... > > ---------------------------------------------------------------------- > 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 information, services and offers, please visit our web site: http://www.klm.com. This e-mail and any attachment may contain confidential and privileged material intended for the addressee only. If you are not the addressee, you are notified that no part of the e-mail or any attachment may be disclosed, copied or distributed, and that any other action related to this e-mail or attachment is strictly prohibited, and may be unlawful. If you have received this e-mail by error, please notify the sender immediately by return e-mail, and delete this message. Koninklijke Luchtvaart Maatschappij NV (KLM), its subsidiaries and/or its employees shall not be liable for the incorrect or incomplete transmission of this e-mail or any attachments, nor responsible for any delay in receipt. Koninklijke Luchtvaart Maatschappij N.V. (also known as KLM Royal Dutch Airlines) is registered in Amstelveen, The Netherlands, with registered number 33014286 ********************************************************************** ---------------------------------------------------------------------- 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
