I am having a system with 8GB of RAM and running mysql on it ,top command shows
Mem: 8124416k total, 8110004k used, 14412k free, 21292k buffers Swap: 8388600k total, 1712132k used, 6676468k free, 2058600k cached
vmstat 1 gives this output
r b swpd free buff cache si so bi bo in cs us sy id wa st
3 0 1712132 38596 21628 2033920 0 0 451 77 0 1 14 1 81 5 0
1 0 1712132 38412 21628 2033928 0 0 32 0 695 534 9 1 90 1 0
0 0 1712132 37992 21656 2034412 0 0 476 136 630 474 8 0 84 8 0
0 0 1712132 37992 21656 2034424 0 0 0 0 232 138 4 0 96 0 0
2 0 1712132 37540 21656 2034424 0 0 0 0 463 228 41 1 58 0 0
1 0 1712132 37480 21656 2034440 0 0 16 0 393 208 26 0 74 0 0
2 0 1712132 37932 21664 2034432 0 0 0 244 655 454 38 1 59 2 0
1 0 1712132 38056 21664 2034440 0 0 0 0 403 193 36 0 63 0 0
0 0 1712132 38056 21664 2034440 0 0 16 16 498 362 13 0 87 0 0
3 0 1712132 37872 21664 2034488 0 0 48 0 463 350 9 1 89 1 0
1 0 1712132 37996 21664 2034488 0 0 16 0 765 536 29 0 70 0 0
3 0 1712132 37996 21672 2034512 0 0 16 92 855 539 46 1 53 0 0
2 0 1712132 38432 21676 2034508 0 0 20 0 1015 545 63 1 36 0 0
0 0 1712132 38680 21684 2034544 0 0 0 72 540 307 34 0 66 0 0
6 0 1712132 38556 21684 2034544 0 0 0 0 926 518 80 1 20 0
0
free -m gives
total used free shared buffers cached
Mem: 7934 7910 23 0 21 1999
-/+ buffers/cache: 5889 2044
Swap: 8191 1672 6519
is the use of swap space a concern or is it normal and ok.
Thanks IN advance Pankaj