feature request: record build space used

[Ion-Mihai Tetcu]

On Wed, 23 Jul 2008 15:14:37 -0400
Joe Marcus Clarke <marcus at freebsd.org> wrote:

> Ion-Mihai Tetcu wrote:
> > On Wed, 23 Jul 2008 15:03:05 -0400
> > Joe Marcus Clarke <marcus at freebsd.org> wrote:
> > 
> >> Ion-Mihai Tetcu wrote:
> >>> On Wed, 23 Jul 2008 12:18:16 -0400
> >>> Wesley Shields <wxs at FreeBSD.org> wrote:
> >>>
> >>>  On Wed, Jul 23, 2008 at 12:11:48PM -0400, Joe Marcus Clarke
> >>> wrote:
> >>>>> On Wed, 2008-07-23 at 13:59 +0300, Ion-Mihai Tetcu wrote:
> >>>>>> Yeh, an other one ;)
> >>>>>>
> >>>>>>
> >>>>>> It would be very useful to me to have, for each port, stored in
> >>>>>> the database the total size of the space it occupies, together
> >>>>>> with base OS and dependencies, at build time. This value should
> >>>>>> be updated, if bigger that current values, even if the build
> >>>>>> fails.
> >>>>> How would one know the size before the port builds?
> >>>>> Dependencies are one thing, but we have no concept of size
> >>>>> (even distfile size) before buildscript is called.
> >>>> You can get a rough idea of it based upon the previous build?
> >>>> Take the previous build and add on N% of space for growth?
> >>> Exactly. While it might fail for a few ports that suddenly grow,
> >>> it will work for 99%.
> >>>
> >>> From my educated guess:
> >>> - for at least 50% of the ports tindy is spending more time
> >>> untaring the jail that doing anything else. 
> >>> - for 95% of the ports 2GB of RAM-based build space is more that
> >>> enough;
> >>>
> >>> What I'd like is to be able to have everything in RAM for those
> >>> 95% without maintaining an exceptions list by hand. For the
> >>> current hardware QA Tindy is running on I should get at least 35%
> >>> "speed" improvement for a full run. (The jail tarball is cached
> >>> by the fs in memory for me).
> >> So what would the size take into account?
> > 
> > If I use mdmfs or not. I don't have 8GB for OOo or some games.
> 
> No, I mean what would count towards a port's total size (e.g. 
> dependencies, wrkdir, etc.)?

(Space use by tindy before starting the build) -
(Space used by tindy after make package - package size)


-- 
IOnut - Un^d^dregistered ;) FreeBSD "user"
  "Intellectual Property" is   nowhere near as valuable   as "Intellect"
FreeBSD committer -> itetcu at FreeBSD.org, PGP Key ID 057E9F8B493A297B
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