On Thu, 21 Jan 2016, Mason Loring Bliss wrote: > > Again, FreeBSD 10.2, ZFS tuned at noted above, and with prefetch disabled. I know there was some sort of ZFS resource exhaustion issue worked on recently, but I don't recally exactly when or what the symptoms were. It might only be in 10-stable so far. Best to ask on the freebsd-fs mailing list.