Both tools are really handy when it comes to monitor the server’s performance. ![]() You can exacute top or htop via ssh to see what process is taking the most CPU or memory. This usually indicates that you need to upgrade if there are a lot of references. You can also check for out of memory (The OOM Killer) references in the log to see if the system is critically low on memory. You can check this by looking at the /var/log/messages and search for kill, e.g grep -i kill /var/log/messages You can also examine the logs for any killed processes as this will help you to see if the server is killing processes in order to remain stable. That is why it’s important to make sure that everything is operating normally. The thing is the issue might not be related with your website itself and you might experiencing the speed issues because your server is running low on memory. Apache might be consuming more resources if the traffic to your sites is bigger as well. Hello, you can do is to monitor the droplet’s performance and check from where the CPU usage is coming from.
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