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
So, let’s say say you have 8 cores and 1 RX and 1 TX queue:
Core 0: RX queue
Core 1: TX queue
Core 2 to 7: nginx processes
what tool or configuration file would I have to use to dedicate cores to
processes?
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Perhaps you should use pidstat to validate which processes are running on the
two busy cores?
Did that an can confirm that CPU 5 and 6 are not exclusively used by networking
- but also by nginx and php-fpm.
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Or would it make sense (if possible at all) to assign two or three more
cores to networking interrupts?
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Hello!
I have nginx with php-fpm running on a 16 core Ubuntu 16.04 instance. The
server is handling more than 10 million requests per hour.
https://imgur.com/a/iRZ7V
As you can see on the htop screenshot cores 6 and 7 are maxed out and
that's the case constantly - even after restarting nginx
