I have noticed that occasionally, my web server becomes extremely slow. It becomes so slow, it’s almost impossible to load a page (takes more than 30 seconds, if it doesn’t timeout).
sudo service nginx restart does not solve the problem. Only thing that solves the issue is running
sudo reboot. It works, but after some time (sometime days, sometime hours, sometimes minutes) it will become very slow again.
We’re running WordPress with WooCommerce. It doesn’t seem to have anything to do with traffic.
When I go into htop I notice extreme load average (last time it was 4, today it was 5!).
Here’s a screenshot of my
I notice that even during slowness of the server,
ssh seems to work quite fast despite.
At the moment, the issue seem to recur quite fast after a reboot, which is very critical since this is our production environment. I have made no changes to server, since for instance yesterday, where it was running just fine.
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