I do run with osd_max_backfills and osd_recovery_max_active turned up quite a
bit from the defaults, I'm trying for as much recovery throughput as possible.
I would hazard a guess that the impact seen from the sleep settings is
proportionally much smaller if your other recovery-related
I'm really glad to hear that it wasn't bluestore! :)
It raises another concern though. We didn't expect to see that much of a
slowdown with the current throttle settings. An order of magnitude
slowdown in recovery performance isn't ideal at all.
I wonder if we could improve things
Yeah, that hit the nail on the head. Significantly reducing/eliminating the
recovery sleep times increases the recovery speed back up (and beyond!) the
levels I was expecting to see - recovery is almost an order of magnitude faster
now. Thanks for educating me about those changes!
Rich
On
