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Re: [MiNT] opkg / coldmint



On Sun, 17 Feb 2013 18:18:56 , Jean-François Lemaire <jflemaire@skynet.be> wrote:
> On Sunday 17 February 2013 18:06:06 Ole wrote:
> >  Am Samstag, den 16.02.2013, 18:13 +0100 schrieb Jean-François L
> emaire
>
> >  <jflemaire@skynet.be>:
> > > If OPKG is also very slow, well, this means RPM wins by a mile the
> > > real-world
> > > usability contest :-)
>
> >  Also, I don't think it is fair to just blame the opkg installation t
> ool
> >  here...
> >  I think this is an perfomance issue inside the kernel regarding fork
> ()
> >  and reading/writing to pipes.
> >  The bad thing is, I don't want to have the situation that opkg only
> >  runs well on the latest
> >  kernel where this was fixed...
>
> Why not? If there's a critical (and what you describe seems critical) b
> ug in
> the kernel, a fixed version of the kernel must be released and users
>
> encouraged to upgrade.
>
> >  (and also I'm not able to fix it). So I
> >  will try to
> >  patch opkg to make it faster. (I think my workaround will be, to not
>
> >  use pipe()/fork(),
> >  but to use libz directly, or something like that.)
>
> I'll wait for your modified version to try it out, then. I'm looking fo
> rward
> to it.
>
> Cheers,
> JFL


I believe Samba uses pipes and it is dog slow.

Peter