The point that suxnoll is making, though, is that the cost is not nearly high to begin with, b/c the data is dedup'ed and compressed. You're justifying an issu

The point that suxnoll is making, though, is that the cost is not nearly high to begin with, b/c the data is dedup'ed and compressed. You're justifying an issue that doesn't quite exist. The query that suxnoll responded to supposed that you have 400 GB of data with small deltas. But that's only possible if you're filling your harddrive with files created from random noise from /dev/random and updating all your files monthly by more random noise.