Slow spotlight searches on zfs volumes

[jojo45]

I am finding that Spotlight searching is very slow on zfs volumes.

I have tried modifying the io throttle by setting:

Code: Select all

sysctl -w debug.lowpri_throttle_enabled=0

But this has no effect.

Has anyone seen this problem before?

Spotlight searches on non-zfs volumes are instantaneous.

[jojo45]

I was able to figure it out.

Tuning the ARC memory usage restored a speedy search.

Per the WIKI: https://openzfsonosx.org/wiki/Memory_utilization

Setting the kstat.zfs.darwin.tunable.zfs_arc_max tunable to use less RAM and rebooting took care of it.

[Brendon]

Hi,

What version of the software are you running?

Can you provide more details on your RAM capacity, utilisation etc and continue to monitor?

Cheers
Brendon