On 11/5/2013 12:41 PM, m.roth at 5-cent.us wrote: > We have a*bunch* of d/bs. Oracle. MySQL. Postgresql. All with about a > week's dumps from every night, and then backups of them to the b/u > servers. I can't imagine how they'd be a win - don't remember just off the > top of my head if they're compressed or not. > > A*lot* of our data is not huge text files - lots and lots of pure > datafiles, output from things like Matlab, R, and some local programs, > like the one for modeling protein folding. lots of binary data files are full of zeros and/ore repetitive patterns that compress quite easily. -- john r pierce 37N 122W somewhere on the middle of the left coast