> OK, how about I enable a 512MB swap file and keep an eye on it. As
> long as I'm not using more than 200MB, I'm not suffering from disk
> swap slowdown, right?
Its more how much i/o rather than the size. If you have a bunch of
stuff swapped out, but it hardly ever needs to be swapped in, the
impact will be low.
Keep an eye on the use with vmstat;
adam@rix ~ $ vmstat 5
procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu----
r b swpd free buff cache si so bi bo in cs us sy id wa
0 0 56700 351244 79564 207848 0 0 3 3 11 7 1 0 99 0
0 0 56700 351244 79564 207848 0 0 0 8 52 27 0 0 100 0
0 0 56700 351244 79564 207848 0 0 0 0 45 14 0 0 100 0
0 0 56700 351244 79564 207848 0 0 0 0 47 17 0 0 100 0
from the man page;
Swap
si: Amount of memory swapped in from disk (/s).
so: Amount of memory swapped to disk (/s).
