From: mailing list (sunlist@yahoo.com)
Date: Mon Apr 09 2007 - 17:48:08 EDT
Solaris 9, sun4u, 16G physical and 32G swap for memory. It seems prstat, top,
vmstat, and swap are reporting different information (or I'm deciphering it
incorrectly). Can someone expand further on the below? prstat reporting
oracle utilized 80G (48G max. for memory) swap -s / top / vmstat reporting 24G
free swap (matched). Howerver, top contains 158 oracle (10g) processes,
ranging from 500M-950M with a total easily over the 48G total for memory, but
with memory to spare. Or is oracle behaving strange with these utilities,
thanks for your time.
<----->
prstat -a
NPROC USERNAME SIZE RSS MEMORY TIME CPU
132 oracle 85G 79G 83% 8:31:46 44%
<----->
# swap -s
total: 20758048k bytes allocated + 398712k reserved = 21156760k used, 24924448k
available
<----->
/usr/local/bin/top (sunfreeware.com)
CPU states: 45.6% idle, 37.7% user, 7.7% kernel, 8.9% iowait, 0.0% swap
Memory: 16G phys mem, 664M free mem, 32G swap, 24G free swap
PID USERNAME LWP PRI NICE SIZE RES STATE TIME CPU COMMAND
6787 oracle 1 0 0 1002M 928M cpu 11:19 99.71% oracle
4677 oracle 12 59 0 998M 893M sleep 0:00 0.00% oracle
4675 oracle 12 59 0 990M 894M sleep 0:00 0.00% oracle
<----->
# vmstat 5 5
kthr memory page disk faults cpu
r b w swap free re mf pi po fr de sr m0 m1 m3 m4 in sy cs us sy id
0 0 0 40978648 7484192 800 1916 2347 10 9 0 2 2 1 0 2 2032 4742 3512 17 7 75
0 0 0 24920344 682424 86 491 2 0 0 0 0 0 0 0 0 1600 15832 1981 50 4 46
0 0 0 24920904 682080 129 634 26 0 0 0 0 0 0 0 0 1798 15774 2276 54 4 42
4 0 0 24918440 679336 1926 15314 67 0 0 0 0 0 1 0 0 2906 38798 3690 59 29 12
4 0 0 24914944 674856 1755 11575 212 0 0 0 0 0 0 0 0 2292 31611 2772 59 24 17
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