From last 2 months, We are facing issue with 503 service issue error. In Cpanel, it shows that Memory usage and I/O usage resources are out of hosting.
Lots of our traffic drop or bounce due to 503 error. Please help us to resolve these issue.
Thank you for posting. If you're consistently hitting your resource limits on your hosting account, you'll want to troubleshoot your account to see why that's happening or upgrade your resource level. A good place to start when troubleshooting memory/io usage is to check that your plugins aren't malfunctioning. If you're unsure how to troubleshoot this issue, reach out to our support team.