Managing that can quickly get cumbersome, especially when you deal with software that wrecks easy mode of "just install mod-php from distro packages". Ensuring

Managing that can quickly get cumbersome, especially when you deal with software that wrecks easy mode of "just install mod-php from distro packages". Ensuring resource allocation was also much more annoying. Letting scheduler handle allocation of many services onto few servers is how I managed to pay only 10% of what was the previous cost.