----- Original Message ----- 
From: <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Tuesday, January 31, 2006 9:15 PM
Subject: [U2] Dynamic Files


...
> 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....
>
> Jeff Butera, Ph.D.
> Administrative Systems
> Hampshire College
> [EMAIL PROTECTED]

Jeff,

A couple of questions: UD or UV?  If UD, dynamic KEYDATA or dynamic KEYONLY?
And what is your average record size in the STC.HIST file?  Also, I am
guessing that as a history file, it is going to continue to grow, so how
about GROW as the minimum modulo?

Susan Lynch
F.W. Davison & Company, Inc.
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