By Tarrioin
I have 1GB RAM. But with 5000 visits per day the PHP7.0-fpm service dies when it hits more than 80% CPU. I know there may be several things. But I would like to know what would be the best php configuration for a server only with 1GB RAM and 1CPU.
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How is your RAM usage? Look in dmesg for OOM (out of memory) messages. You might be using too much memory.
In your pool configuration, if “pm.max_requests” is 0 (I think this is the default), try using a value of 500. It respawns php-fpm processes after handling a certain number of requests and this way you can avoid memory leaks in 3rd party modules. Don’t forget to restart the php-fpm service.
The best configuration really depends on what type of site you’re running. Is this strictly a PHP site or is it database driven (i.e. WordPress, Joomla, Drupal, etc), or something else?
From the CLI, can you run top then hit SHIFT+M, then c, and finally e and post screenshot link so we can take a closer look at some general stats?
The arguments mentioned after top simply sort the process list and make it easier to read.
Also, when things begin to die, are you seeing anything logged? If you would, please post the output of:
tail -20 /var/log/nginx/error.log
Inside of /var/log you should also see a log for your specific PHP version. If you’ll run the same command as above for that log file as well, that’ll let us take a closer look at what’s happening with PHP as well.
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