From: vivek sharma (vivek_sharma_1@hotmail.com)
Date: Mon Oct 28 2002 - 05:28:55 EST
On Running the SAME Batch process from 2 Machines (APP Servers) with NO
Other Load existing on the Same :-
OBSERVATION - "CPU sys Time" on the Whole & in particular "sys time " of
Functions "read" , "write" , "brk" , "llseek" taking MORE Time on SF15k
versus SF6800 (Both machines being APPlication Servers)
Qs How may it be addressed / approached ?
COMMAND used - $ truss -aefc <Executble of Batch process >
ON SF15k ( 24 CPUs @ 900 MHz )
syscall seconds calls errors
read 43.33 245407
write 42.85 246099
brk 7.41 47184
llseek 29.03 286888 227
ON SF6800 ( 24 CPUs @ 750 MHz )
syscall seconds calls errors
read 23.77 243182
write 23.82 244280
brk 3.76 43878
llseek 7.85 286062 119
NOTE - Both the above 2 Machines being used as APP Servers Connect to the
SAME Database Server (3rd Machine )
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