On Fri, Nov 24, 2017 at 6:54 AM, hmidi slim <hmidi.sl...@gmail.com> wrote:
> I'm trying to analyze some queries using the explain instructions and the > option analyze and buffers. I realized that the query refers to the cache > memory to return the results. Is there any solution to clear the cache in > postgresql inorder to get execution time of the query when it get data from > disk and not from cache memory? > If you are on a (non-production) *nix server you can use: sync && echo 3 > /proc/sys/vm/drop_caches
