On Tuesday 31 January 2006 22:27, Timothy Snyder wrote: > > For the large file in its dynamic form, is most of the space consumed by > the dat* or the over* files?
dat files - I know I'm wasting space. > If the former, you may just be wasting > space. If the latter, you have some file configuration issues to resolve. > What does GROUP.STAT show you? Are the records distributed evenly in the > groups or does it vary greatly? The distribution is fairly consistent. > What do your key lengths look like? Are they large or small? Do they > vary greatly from one record to the next? They're all similar - about 20-22 characters in length, a mix of alphanumeric. > You may want to consider using > the KEYDATA option. It doesn't usually work better than KEYONLY, but I > have seen it make a huge positive difference on a small percentage of > files. > > You might also want to play around with changing the hash type. 0 usually > works best, but once in a while 1 will help you. Also, you may actually > see things improve by increasing the split and merge loads. I've seen > files that worked with 90/45, but that doesn't happen very often. So much > depends on the characteristics of the data in the file. Thanks for your comments -- Jeff Butera, Ph.D. Administrative Systems Hampshire College [EMAIL PROTECTED] 413-559-5556 "Hindsight alone is not wisdom." George W. Bush ------- u2-users mailing list u2-users@listserver.u2ug.org To unsubscribe please visit http://listserver.u2ug.org/