The OOM Killer : How to Fix Out of Memory Error in Linux?
Since two weeks, my website was frequently crashing because the MySQL server stopped abruptly at random times of the day. This issue started when I was on a holiday. My site was down for several hours. I configured crontab to start MySQL server when the service had stopped. This didn’t help. I enabled query cache to reduce the load on the server. I use NGINX Fast CGI cache, APCu, and OpCache for my sites. Thus, I didn’t felt the need to install a caching plugin for my WordPress blog. ...