[CentOS] What is cached swap?

John R Pierce pierce at hogranch.com
Fri Mar 2 17:31:34 UTC 2007

Mike McCarty wrote:
> Isn't cached swap somewhat an oxymoron? Why cache virtual?
> Am I misunderstanding this line from top?
> Swap:   524120k total,    80760k used,   443360k free,    73448k cached
> Mike

its not cached swap, they just put the cached on the end of the swap 
line because it fits.

I'll say this, its not often I see swap used > cached.  that machine 
definately could use more memory.

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