Unless you are running RFS (for which we have a our own cache in shared
memory), you are likely just experiencing the OS file system cache and or
disk RAID array cache...

Wally Terhune
U2 Support Architect
IBM Information Management
4700 South Syracuse Street, Denver, CO   80237
Tel:  303.773.7969
Fax: 303.773.5915
[EMAIL PROTECTED]


----- Forwarded by Wally Terhune/Denver/IBM on 05/03/2006 07:51 AM -----

             Jeffrey Butera
             <[EMAIL PROTECTED]
             e.edu>                                                     To
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                                                                   Subject
             05/03/2006 06:42          [U2] Unidata Caching
             AM


             Please respond to
             [EMAIL PROTECTED]
                er.u2ug.org






Can anyone shed insight on how/what Unidata does for caching?

In short, I notice that when I perform some SELECTs or programs which read
a
handful of records, they often run faster after first execution - I'm
assuming Unidata is caching.

I was working on adding some caching to an application I'm working on but
if
Unidata is already doing a reasonable job I may not see any sizable
performance difference (and don't want to spend many hours working on this
to
find it's in vain...)

Any insight appreciated.
--
Jeff Butera, Ph.D.
Administrative Systems
Hampshire College
[EMAIL PROTECTED]
413-559-5556

"We're not given the burdens we deserve,
    we're given the burdens we can bear."  Several
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