Post 9.1 stable file system problems

[Chris Rees]

On 1 Jan 2013 00:01, "Dominic Fandrey" <kamikaze at bsdforen.de> wrote:
>
> I have a Tinderbox that I just updated to the current RELENG_9.
> Following the update build times for packages have increased by a
> factor between 5 and 20. I.e. I have packages that used to build in
> 5 minutes and now take an hour.
>
> I'm suspecting the file system ever since I saw that the majority of CPU
> load was caused by ls when I looked at top (more than 2 minutes of CPU
> time were counted that moment). The majority of the time most of the CPU
> load is caused by bsdtar, pkg_add, qmake-qt4, etc. Without exception
> tools that access a lot of files.
>
> The file system on which packages are built is nullfs mounted from
> an async mounted UFS. I turned async off, to no avail.
>
> /usr/src/UPDATING says that there were nullfs optimisations. So I
> think this is where the problem originates. I might hack the tinderbox to
> use 'ln -s' or set it up for NFS to verify this.

Is your kernel newer than the Jail?  The converse causes problems.

Chris