Re: Planning out Core Update 117

[Michael Tremer <michael.tremer@ipfire.org>]

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On Mon, 2017-11-06 at 22:09 +0100, Matthias Fischer wrote:
> On 06.11.2017 19:32, Michael Tremer wrote:
> > Hello,
> > 
> > so the big Core Update 115 has been shipped last week. Core Update 116 is
> > coming
> > today. So the next one should be a little bit calmer please :)
> > 
> > I do not have anything so far except some smaller bug fixes here and there.
> > Does
> > anyone have anything big? It doesn't have to be another big update. We could
> > also just improve IPFire where ever it is needed with loads of smaller
> > changes
> > and start working on 3 and other sub-projects that are floating around...
> 
> I forgot: Tuning the XZ-parameters... ;-)

Good that you are bringing this up. So I think what we should do here is
bringing back XZ compression with -8 so that we do not waste too much space when
extracting the image again.

To not run into memory limits we should detect how much memory the build host
has and set the memory limit to maybe 80% of that. xz will then automatically
scale down to a number of parallel processes that it can fit into memory.

We will at least need about half a GB which should be a sensible requirement for
a build system any ways.

Will you work on this bringing it into the build system?!

-Michael

> 
> Best,
> Matthias

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