Re: zfs questions

[Brad Spencer <brad%anduin.eldar.org@localhost>]

Greg Troxel <gdt%lexort.com@localhost> writes:

[snip]

I do a lot of what Greg is doing...

> I avoid these lockups by three things
>
>   not keeping syncthing running (only starting syncthing with no builds,
>   and soemtimes I shut down firfox)
>
>   maxvnodes 200000 (vs far far higher by default)

I had to go much lower...  I use 1024...

But.. I have a LOT of ZFS filesets...

% zfs list | wc
     136     680   14430

... and snapshots...

% zfs list -t snapshot | wc
     138     690   13257

and clones.  All of that might matter.  I also run with less memory than
Greg, with just 16GB in the DOMU.

[snip]

> I suggest booting up a 4 GB machine in a VM  and stressing that.

I am pretty sure that a 4GB DOMU won't even make it though the daily
cronjobs if there are a number of ZFS filesets that have a lot of files
in them.... like the source trees, for example.






-- 
Brad Spencer - brad%anduin.eldar.org@localhost