>> 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.
