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SubjectRe: how to turn off, or to clear read cache?
John Bradford wrote:
>>I need to make some performance tests. I need to switch off or to clear
>>read cache, so that consequent reading of the same file will take the
>>same amount of time.
>>
>>Is there an easy way to do it, without rebuilding the kernel?
>
>
> Unmount and remount the filesystem.


Would

# mount -o remount

do the job?

I'm not able to unmount and remount.

--
Best regards, Sergey Spiridonov

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