On Fri, Oct 26, 2018 at 02:30:10PM -0400, Marco Milano wrote: > > > On 10/26/18 2:22 PM, Dan Ritter wrote: > > > > > > > > On 10/26/18 1:55 PM, Shirley Márquez Dúlcey wrote: > > > > > Another thing to keep in mind is that ZFS does have one flaw; it's a > > > > > memory hog. If you have a large ZFS filesystem you will need a LOT of > > > > > RAM to get acceptable performance. But it does represent the current > > > > > state of the art for file system data integrity. > > > > > > > > I think as long as you don't use dedup, it works perfectly fine > > > > on a system with 8GB or 16GB RAM. > > > > The rule of thumb is 1GB per TB of used space, so for Shirley's > > NAS boxes, dedup would actually work. I don't recommend it, > > though. > > > > I am configuring a system with 200TB zfs data storage, with only 32GB of RAM, > ZFS with no dedup, lz4 compression, ubuntu 18.04 server, I am pretty confident > that it will work perfectly fine.
Yes, the rule of thumb above is the RAM required for dedup, not anything else. -dsr- _______________________________________________ Discuss mailing list [email protected] http://lists.blu.org/mailman/listinfo/discuss
