Linux

Dear Gurus,

When i ran vmstat, i am getting swpd value,but si, and so beneath the swap is o, My doubt what is the difference between these values,i,e swpd and si and so
OS is OEL 5.5

Code:

procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu------
r b swpd free buff cache si so bi bo in cs us sy id wa st
0 0 4596512 12855512 752560 47719716 0 0 67 37 1 1 1 0 98 0 0

Please help me to clear this doubt

Thanks in advance
Dave

Moderator's Comments:

Please use code tags, thanks!

I am not sure about the swpd as I couldn't find documentation about it, but it looks to me, that this is the summary, most probably since last boot, of the amount of memory that has been swapped in and out to swap space.
si and so are definetly the current number of memory units being swapped in and out to disk.
You could issue swapon -s to see a summary of the used swap space. Maybe you can get the values you see into relation.

Another good place to look at is the man page on your system for vmstat. Look for swpd.

Thanks