http://www.linuxinsight.com/proc_sys_vm_drop_caches.html
To be sure a test is going to disk and not file system cache for everything in linux, run:
‘sync; cat 3 > /proc/sys/vm/drop_caches’
On 3/11/09 11:04 AM, "Andrej" <andrej.groups@xxxxxxxxx> wrote:
2009/3/12 Scott Carey <scott@xxxxxxxxxxxxxxxxx>:
> [...snip...]. All tests start with 'cat 3 > /proc/sys/vm/drop_caches', and work on
> a 32GB data set (40% of the disk).
What's the content of '3' above?
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