Sylvain Alain wrote (ao): > gentootux ~ # mount /dev/sda4 -o > noatime,ssd,discard,compress=lzo,noacl,space_cache,subvolid=0 ^^^^^^^
> Instead of 3 secondes to run the snapshot, it took almost 4 minutes. Let me repeat the answer cwillu gave to Russell on this, and Russell's response: Russell Coker wrote (ao): > On Sun, 16 Dec 2012, cwillu <cwi...@cwillu.com> wrote: > > Don't use discard; it's a non-queuing command, which means your > > performance will suck unless your device is really terrible at > > garbage collection (in which case, it's just the lesser of two evils). > > Thanks for the advice. On one of my systems a reinstall of the linux- > image-3.6-trunk-amd64 package went from almost 4 minutes to only 29 > seconds when I removed the discard option. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html