[OmniOS-discuss] zfs and small files

[Tobias Oetiker]

Hi Peter,

Today Peter Tribble wrote:

> On Wed, Nov 13, 2013 at 1:59 PM, Tobias Oetiker <tobi at oetiker.ch> wrote:
>
> > We have this customer who loves to put tons of files into single
> > directories.  The other day he found that removing a directory with
> > 7k files from raidz2 pool (with ssd log device) took about 10
> > minutes ...
> >
> > is this to be expected, or should this be faster on a properly
> > configured system ?
> >
>
> That's a tiny number of files. Ought to be essentially instant.
> I routinely have up to a million files in a directory. That can take
> a few minutes to delete, but I don't have any SSDs at all on
> those systems.
>
> This isn't being done over NFS, is it? That can dramatically slow
> operations like this, even with a log.

nope it is local ...

are you running this on raidz2 ?

cheers
tobi

-- 
Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
http://it.oetiker.ch tobi at oetiker.ch ++41 62 775 9902 / sb: -9900