More than 40 minutes to delete an obj tree?

Hi,

I did a universe built yesterday of stable/14.

That accumulates 83G of data in the obj tree (I wanted to know how
much space we need)

% du -hcsx *
  27G    amd64.amd64
6.9G    arm.armv7
  13G    arm64.aarch64
8.2G    i386.i386
5.9G    powerpc.powerpc
7.7G    powerpc.powerpc64
5.8G    powerpc.powerpc64le
8.0G    riscv.riscv64
  83G    total

I didn't run "time" on the rm -rf of that obj tree but I caught it
seconds before it was done:

load: 0.56  cmd: rm 91967 [zio->io_cv] 2541.72r 1.52u 81.62s 4% 3972k

Tha machine in questing is a 14.3-STABLE GENERIC and while it is shared
it's been pretty much idle during that time.

Is it normal that it takes so much real time to cleanup a universe build
these days or is that a ZFS tuning issue?  It feels a bit excessive.

/bz

-- 
Bjoern A. Zeeb                                                     r15:7