WordPress performance issue. Can I debug it?

I have a web site, that while working properly, every day, at 11:00am using a huge amounts of the server resources.

The web hosting account contains only the WordPress, and I don’t have any other software installed.

Also, the hosting account is based on Cloud Linux, that means I can have statistics about my account resource usage.

Bellow you can see what is the resource usage of my account:

Your site has been limited within the past 24 hours
CPU resources were limited for your site
You have reached processes number limit 8 times
Your site might hit resource limits soon
Your Physical Memory usage was at 999.7M out of 1000.0M
You had 4000 I/O usage out of 4000 max I/O usage allowed

What I like to ask, is for any script, wordpress plugin or anything else that can help me identify, why I have that issue every day at the same time.

Note, already, I have use a plugin to get the WordPress schedule, and the schedule is ok. There is no, any action that run at 11:00 am. Also the server has no any cron job that run at the same time.

2 Answers
2

You need to check the actual access logs, such as web, SSH, etc., and if you can access it, the MySQL log, too. That will show you what is possibly hitting the site at that time and let you differentiate between a huge unexplained web traffic spike from a bot and something that is happening in WordPress or the theme itself, or on the server.

If it’s a shared cloud server, you may be seeing spillover from another account, depending on how the accounts are configured.

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