I would recommend keeping your files static right up to the point that they hit 2 gig. A well sized static file will run faster and have less overhead in my opinion. Also, if you do go the dynamic route, I would recommend resizing them once a year as well.
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of [EMAIL PROTECTED] Sent: Tuesday, January 31, 2006 8:15 PM To: u2-users@listserver.u2ug.org Subject: [U2] Dynamic Files As someone who's not a newbie, but has some newbie questions from time to time... I need some decent info on Unidata dynamic files. I've got the IBM/U2 docs as well as a couple of Fitz & Long PDFs on file hashing. In short, we use static hashing on most files and have no trouble, resize weekly (or more often) and keep great tabs on modulos, overflow and the like. However, we have a couple that are approaching 1Gig in size and I don't want to wait until I get any closer to the 2Gig limit before moving some of the large ones to dynamic hashing. However, the few files I have moved to dynamic hashing are rediculous in size. I'm obviously setting some file parameters wrong, but would like insight from anyone who has good luck... The file STC.HIST as a dynamic file takes up 4.3Gig of disk space. It has around 944,000 records, a blocksize of 1024 but a modulo of 4,000,000+ When I convert this to a static file, I can properly size it with a modulo of around 94,000 which takes up a mere 75Meg. I've tried changing split/merge loads from the default of 60/40 to 20/10. I've tried playing with the minimum modulo. I'm clueless on dynamic files and would love any insight. Jeff Butera, Ph.D. Administrative Systems Hampshire College [EMAIL PROTECTED] 413-559-5556 "We make moral decisions everyday even if we don't know it." Scott Simon (NPR) on the death of 20,000 coal miners annually in China. ------- u2-users mailing list u2-users@listserver.u2ug.org To unsubscribe please visit http://listserver.u2ug.org/ ------- u2-users mailing list u2-users@listserver.u2ug.org To unsubscribe please visit http://listserver.u2ug.org/
