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Re: Kernel 2.6.9 Doesn't release Buffer and Cached Memory?



On Fri, December 3, 2004 8:43 am, Yang Xiao said:
> Hi all
> I'm running FC2 with the latest 2.6.9-1.6_FC2smp Kernel, but it seems
> that it doesn't release buffer and  cached memory so that memory used
> under sar -r shows memory used is always 90% +, is this something new
> or a bug?
>
>              total       used       free     shared    buffers     cached
> Mem:          1009        977         32          0        222        610
> -/+ buffers/cache:        144        865
> Swap:         2000          0       2000


Hi Yang,

Always been like this as unused RAM is a waste.  The cache and buffers
will be reduced when there is a more pressing need for memory, such as
when loading a program.

Cheers,
Sean



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