How to correctly dedicate server processes to specific CPU cores?
raffael.vogler at yieldlove.com
Fri Jan 12 14:21:44 UTC 2018
I have 16 cores (0 to 15) and the most active processes are:
- 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?
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