Google > “linux drop_caches” first result: 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.gro...@gmail.com> wrote: 2009/3/12 Scott Carey <sc...@richrelevance.com>: > [...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? -- Please don't top post, and don't use HTML e-Mail :} Make your quotes concise. http://www.american.edu/econ/notes/htmlmail.htm