- Compact regularily - but only if the amount of free space on your drives is greater than the size of your biggest database. This is a hard limit that your “capacity planning” must take into account
- It can save you a lot of space
- It will heavily load your servers - perhaps for quite a while
- Tell your ops crew that this will happen and that they can expect this sort of load
Make sure to read the rest of the article as it provides quite a few interesting metrics.