Hi Gunna, Eric- I wanted to make sure you were connected as we've talked to both of you independently about the new request queue in the OSD to support dm-clock and I want to make sure our efforts are coordinated. I thnk the first goal is probably to implement something that works and performs well for just a few request classes (clients, recovery, scrub, snaptrim). Eventually we'll also need to determine if/how to do so for a large client count so that we can do client qos. Just solving the first problem alone may be a big win, though: we hear lots of complaints about the effect of recovery on client io. Anyway, just wanted to make sure you two were connected and kick off the conversation. 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