Re: Serious WAPL performance problems

[Iain Hibbert <plunky%rya-online.net@localhost>]

On Mon, 29 Oct 2012, Roger Pau Monné wrote:

> > time seq 1 30000 | xargs touch
>
> I did this inside of a NetBSD DomU, and the time to perform the
> operation when using FFSv2 and WAPL is between 27-28s. Also, when the
> operation finishes, and I get the time results, it takes some time for
> the shell promtp to appear again, between 5s and 10s I would say.

if you did that exact command, the delay is because you only timed the
first command in the pipeline.. as Paul Goyette perhaps too subtly showed,
the correct command should be:

  time sh -c 'seq 1 30000 | xargs touch'

regards,
iain