On Sun, 11 Nov 2012, Stefan Priebe - Profihost AG wrote: > Hi list, > > is there a way to disable journal completely? For fast ssd storage it > doesn't make sense and I want to test how speed changes. With btrfs, yes, although this isn't something we have tested in a while. You'd need to play with 'filestore min sync interval' and 'filestore max sync interval' to basically pick your latency range. sage -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html