Re: duration of buildworld

From: Slawa Olhovchenkov <slw_at_zxy.spb.ru>
Date: Mon, 27 Jul 2015 22:34:10 +0300
On Mon, Jul 27, 2015 at 08:47:04PM +0200, Matthias Apitz wrote:

> El d'ia Monday, July 27, 2015 a las 03:00:06PM +0300, Slawa Olhovchenkov escribi'o:
> 
> > On Mon, Jul 27, 2015 at 07:58:04AM +0200, Matthias Apitz wrote:
> > 
> > > 
> > > Hello,
> > > 
> > > Yesterday I grabbed r285885 from SVN and launched a 
> > > 
> > > # make -j2 buildworld
> > > 
> > > which is still running after 19 hours on a server of 2 CPU of the type
> > > Intel(R) Core(TM)2 Extreme CPU X9100  _at_ 3.06GHz and 4 GByte memory.
> > > 
> > > Last time in January with r276659 on the same host it took only some 8
> > > hours, IIRC.
> > > 
> > > Is there anything wrong of what could cause this change of the build
> > > time?
> > 
> > May be swap trashing on clang compilation?
> 
> This pointed in the right direction. I have had 6x 1 GByte additional
> swap partitions to plain files mounted (because I needed this to get
> the eclipse port compiled within poudriere). After changing the fstab and
> reboot, the 'make buildkernel' takes only half an hour.
> 
> Why is this?

swap to ZFS volume don't work some time ago (don't know about current
status).
May be swap to file on ZFS don't work also?
Received on Mon Jul 27 2015 - 17:34:14 UTC

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