On Wed, Sep 21, 2011 at 8:04 PM, Adam Carter <adamcart...@gmail.com> wrote: >>> Ok for me so far, but still seems slower than ext4, and i'm using >>> compression, inode_cache and space_cache. >> >> Does ext4 have compression? I didn't know it did. If it doesn't, then, >> yeah, you're adding some serious overhead and real latency. > > Sorry I wasn't clear. Compression, inode_cache and space_cache are > btrfs mount options. LZO compression on btrfs increases performance in > most benchmarks i've seen. ZLIB is 50/50, some better some worse, but > of course you get a better compression rate.
Hm. Well, that'll be dependent on the type of data, reads vs writes, seeking, etc. Try turning off compression and see if that helps. -- :wq
