Beowwulf Status Monitor on Scyld

James Long jlong at arsc.edu
Tue Nov 13 18:37:13 EST 2001


Free memory is wasted memory. It is used as a disk cache until needed 
by an application, at which time the disk cache is reduced.

Jim


At 5:24 PM +0000 11/12/01, Tony Stocker wrote:
>Hi there,
>
>I'm also seeing this "issue" but on a slightly larger scale.  All of my
>slave nodes (currently at 6) have 1GB of memory yet in status monitor they
>all show 670MB used.  And the cluster isn't doing anything at all, it's just
>
>booted up.  What buffers and cache need to eat up this much of the memory? 
>And more importantly isn't this going to affect performance when I actually
>do try to run something on the cluster?
>
>-Tony
>
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-- 

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James Long
MPP Specialist
Arctic Region Supercomputing Center
University of Alaska Fairbanks
PO Box 756020
Fairbanks, AK 99775-6020
jlong at arsc.edu
(907) 474-5731 work
(907) 474-5494 fax
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