Getting 503 error on the website since some time now, server goes down for few mins.

Hi, We are facing a problem. Asking the community for help. We are getting 503 error on the website randomly (

Screenshot of the error log(Plesk):

Error: 503 - POST /wp-login.php HTTP/1.0 - Apache SSL/TLS access

Would be grateful if someone can help how to resolve this issue.


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Hello, @SP1

When this happens have you checked if the Apache service goes down? What you can do is to examine the logs for killed processes and also out of memory entries. To check this you can run the following commands:

  1. grep -i kill /var/log/messages
  1. grep -i `oom` /var/log/mesaages

Hope that this helps! Regards, Alex

what thats mean?