Hi, Alexandre DERUMIER <aderumier@xxxxxxxxx> writes: > Hi, > > I didn't known about "nojournal" feature. > Does it make sense for full ssd setup ? or is it only a test/debug option ? To the best of my knowledge, no, "nojournal" isn't an alternative. In nojournal mode transaction commit acknowledgements are fired after a sync of the data disk. Meaning every 0.01 - 5 seconds in bulk. ~marcedl -- Marcel Lauhoff Mail/XMPP: ml@xxxxxxxx http://irq0.org -- 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