So some questions: What hardware is this? Are they 16 “real” cores or hyper threaded cores? Do you have a test case setup so you can readily measure the impact of change? Many tunings that involve numa will only show substantial results ion specific app What does cat /proc/cpuinfo | tail -28 return? When you say maxed out do you literally mean that cores 6,7 show 100% CPU utilization
> On Jan 12, 2018, at 9:21 AM, Raffael Vogler <raffael.vog...@yieldlove.com> > wrote: > > I have 16 cores (0 to 15) and the most active processes are: > > - nginx > - php-fpm > - eth0-TxRx-0 (paired Tx and Rx queues #1) > - eth0-TxRx-1 (paired Tx and Rx queues #2) > > eth0-TxRx-0 is already dedicated to core #5 and eth0-TxRx-1 to core #6. > > But on those two cores are also nginx and php-fpm processes being executed. > > Now I would like o restrict nginx and php-fpm to cores 0-4 and 7-15. > > I would like to confirm that this can be correctly achieved with: > > taskset -c 0-4,7-15 nginx > taskset -c 0-4,7-15 php-fpm > > Is that a safe and sound approach? > _______________________________________________ > nginx mailing list > nginx@nginx.org > http://mailman.nginx.org/mailman/listinfo/nginx
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