DO sent me a CPU alert. I checked top and I see this for about 45 minutes now:
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 18460 www-data 20 0 365576 81912 46836 S 21.2 8.0 2:35.30 php5-fpm 17378 www-data 20 0 347680 70084 52800 S 11.0 6.9 10:53.50 php5-fpm 18210 www-data 20 0 352256 72728 50884 S 10.0 7.1 10:14.65 php5-fpm
This is a web server running a few WordPress and Drupal sites.
I’ve checked Google Analytics and my visitors are not high for any site, there is never more than 1 or 2 online at a time according to Google Analytics Real Time reporting. Usually there are 0 users at any given time.
What should I do?
Is there any way I can see what is causing these specific PHP processes? Like which script or site somehow? I’m not sure how to diagnose this. My server has been running for 3 years, I always keep it updated, I’ve never had this happen and nothing out of the ordinary appears to be going on.
EDIT: I just updated a few plugins that had recent new versions on my 3 WordPress sites and the CPU usage immediately dropped to 0% or 0.3% as it is usually. Does it make sense that somehow a pending update would cause the CPU usage to spike for over an hour?
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