[3/30/2004 7:17 PM] Devdas Bhagat :
I would leave swap off on boxes which do a lot of disk IO.
iostat/vmstat data here would be really useful.
$ vmstat 5
procs memory page disks faults cpu
r b w avm fre flt re pi po fr sr ad4 ad6 in sy cs us sy id
18 2 0 1046816 133216 648 2 1 1 552 1203 0 0 1517 8249 3369 14 72 15
42 3 0 1047360 121764 1311 0 1 0 399 0 53 0 1518 33221 30699 13 87 0
31 20 0 1056896 112968 1190 0 0 0 395 0 91 0 1607 31584 28209 11 82 7
47 2 0 1081120 96084 2032 0 0 0 707 0 118 0 1198 27977 32636 11 89 0
43 1 0 1088992 92208 1153 0 1 0 582 0 45 0 1674 42155 25758 16 84 0
44 1 0 1100428 83808 1340 0 1 0 569 0 35 0 1422 32733 33175 12 88 0
38 1 0 1107396 78320 1056 0 0 0 512 0 61 0 1598 34317 30187 14 86 0
30 1 0 1133068 68104 1272 0 0 0 389 0 30 0 1470 33400 32184 12 88 0
$ iostat 5
tty ad4 ad6 fd0 cpu
tin tout KB/t tps MB/s KB/t tps MB/s KB/t tps MB/s us ni sy in id
0 3 3.90 1268 4.83 0.00 0 0.00 0.00 0 0.00 14 0 67 5 15
0 8 14.71 82 1.17 0.00 0 0.00 0.00 0 0.00 17 0 72 5 6
0 8 33.24 28 0.90 0.00 0 0.00 0.00 0 0.00 16 0 71 5 8
0 8 15.06 57 0.84 0.00 0 0.00 0.00 0 0.00 16 0 76 6 2
0 8 14.19 43 0.60 0.00 0 0.00 0.00 0 0.00 15 0 73 6 6
0 8 14.08 25 0.34 0.00 0 0.00 0.00 0 0.00 14 0 74 5 6
0 8 6.95 72 0.49 0.00 0 0.00 0.00 0 0.00 12 0 74 5 9
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