On Wed, 22 Aug 2007 06:05:03 +0200, Hrvoje Niksic wrote:
> Nick Craig-Wood <[EMAIL PROTECTED]> writes:
>
>> If you are running linux > 2.6.18 then you can use
>> /proc/sys/vm/drop_caches for exactly that purpose.
>>
>> http://www.linuxinsight.com/proc_sys_vm_drop_caches.html
>
> That URL claims that you need to run "sync" before dropping the cache,
> and so do other resources. I wonder if that means that dropping the
> cache is unsafe on a running system.
Of course not. It means that dirty pages are not dropped, so if you
really want to invalidate as much cache memory as possible you have to
``sync`` before.
Ciao,
Marc 'BlackJack' Rintsch
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