Recently two of my articles reached the Digg frontpage at the same day. My web server isn't state of the art and it had to handle gigantic amounts of traffic. But still it served p...

apache caching io linux mysql pear performance php

Every time a request hits your server, PHP has to do a lot of processing, all of your code has to be compiled & executed for every single visit. Even though the outcome of all...

caching pear performance php

Let's say your site is becoming a big success and as a result it's becoming slower and slower. There are several things you do without buying additional hardware:

apache caching io memcached performance squid ubuntu