On Mon, 21 Dec 2009 14:55:54 +0800, =KK= <sev...@gmail.com> wrote:

> 以下2行参数的具体含义是什么,哪里有这方面的资料呀,谢谢
>
> 设置70:
> Executing: echo 70 > /proc/sys/vm/dirty_ratio
>
> 设置1 :
> Executing: echo 1 > /proc/sys/vm/dirty_background_ratio

dirty_ratio

Contains, as a percentage of total system memory, the number of pages at  
which
a process which is generating disk writes will itself start writing out  
dirty
data.

内核树, Documentation/sysctl/vm.txt

-- 
best regards,
hunt

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