iServerSupport Talk to an engineer
Technical topic archive

Server Performance Guides

Server performance guides for load, web services, caching, capacity and resource troubleshooting.

Latest articles

Latest server performance articles

4 published guides
Two server racks connected by a broken gateway link representing a 502 error
KBServer Performance

Nginx 502 Bad Gateway on WordPress: Diagnosing a PHP-FPM Crash

A practical guide to diagnosing a 502 Bad Gateway on a WordPress server running Nginx and PHP-FPM, covering worker exhaustion, timeouts and OOM kills.

4 min read
Best Methods to Monitor Your Server for Better Performance server administration guide
KBServer Performance

Best Methods to Monitor Your Server for Better Performance

Wondering how to strengthen your server monitoring process?

4 min read
How to Reduce CPU Usage on Servers? server administration guide
KBServer Performance

How to Reduce CPU Usage on Servers?

Too much work can stress out any machine and the same goes with the humble CPU. You must have noticed various hiccups in your overtaxed CPU, and then that could […]

4 min read
Linux administrator diagnosing a high number of TIME_WAIT TCP connections
KBServer Performance

Too Many TIME_WAIT Connections on Linux: Diagnose the Cause

A high TIME_WAIT count is evidence of recently closed TCP connections, not automatically a fault. Diagnose who is creating the connections before changing kernel settings.

5 min read
Need hands-on help?

Our engineers can manage the infrastructure you already use.

View server managementTalk to an engineer