FreeBSD 11.1 Beta 2 ZFS performance degradation on SSDs

[Steven Hartland]

While that may be the fix the behavior is interesting none the less, see 
my other reply about IOPs sizing.

On 20/06/2017 23:02, Caza, Aaron wrote:
> With regards to this issue, it's a case of the old FreeBSD 9.0 settings not working the same as in FreeBSD 10 & 11: the ZFS ARC min & max settings I was utilizing were too aggressive.
>
> On a separate server with 18 days of uptime, bumping vfs.zfs.arc_min and vfs.zfs.arc_max up to something more reasonable sans reboot restored performance.
>
> Apologies for the noise and thanks for the suggestions.
>