On 12/01/2017 06:57 PM, Holger Hoffstätte wrote: > On 12/01/17 18:34, Matt McKinnon wrote: >> Thanks, I'll give space_cache=v2 a shot. > > Yes, very much recommended. > >> My mount options are: rw,relatime,space_cache,autodefrag,subvolid=5,subvol=/ > > Turn autodefrag off and use noatime instead of relatime. > > Your filesystem also seems very full, We don't know. btrfs fi df only displays allocated space. And that being full is good, it means not too much free space fragments everywhere. > that's bad with every filesystem but > *especially* with btrfs because the allocator has to work really hard to find > free space for COWing. Really consider deleting stuff or adding more space. -- Hans van Kranenburg -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
