Re: [tycho-dev] single threaded download

[Igor Fedorenko <igor@xxxxxxxxxxxxxx>]

I am not sure I understand what you mean. What is the problem you are
trying to solve? What is "fixed this today" that makes p2 thread
download synchronization work better?

In any case, if you can get rid of this workaround without degrading
build performance, please do so. ;-)

--
Regards,
Igor

On 11-10-05 8:24 AM, Oberlies, Tobias wrote:
> Quote from the commit message: "This forces P2 to believe it always
> downloads artifacts remotely, even when everything is already
> available from maven local repository."
>
> I don't believe that this is necessary any more. From what I
> understood from the p2 artifact download code, the Maven repository
> integration hooked into p2 in the wrong place. I believe that we have
> fixed this today (through a mostly correct, local Maven repository
> based IArtifactRepository implementation), but I never came around to
> refactor the download code.
>
> Regards Tobias
>
>
> > -----Original Message-----
> > From: tycho-dev-bounces@xxxxxxxxxxx [mailto:tycho-dev-bounces@xxxxxxxxxxx]
> > On Behalf Of Igor Fedorenko
> > Sent: Freitag, 30. September 2011 13:43
> > To: tycho-dev@xxxxxxxxxxx
> > Subject: Re: [tycho-dev] single threaded download
> >
> > See inline
> >
> > --
> > Regards,
> > Igor
> >
> > On 11-09-30 5:19 AM, Sievers, Jan wrote:
> > > any ideas why we force single threaded download in
> > >
> > > http://git.eclipse.org/c/tycho/org.eclipse.tycho.git/tree/tycho-
> > bundles/org.eclipse.tycho.p2.resolver.impl/src/main/java/org/eclipse/tycho
> > /p2/impl/resolver/ResolutionContextImpl.java#n293
> > > ?
> > >
> > > Did we experience problems with multithreaded downloads?
> >
> > Yes. Very bad performance problems for large projects like jbosstools
> > when all artifacts are already cached locally.
> >
> > https://github.com/sonatype/sonatype-
> > tycho/commit/415fdad825e5331755945b8837ba633c7701e97b
> >
> > > See also the force.threading option on
> > http://wiki.eclipse.org/Equinox/p2/HiddenOptions
> >
> > I do not believe there is a way to set this property from Tycho. At
> > least there was not way.
> >
> > > Jan
> > > _______________________________________________
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> > > tycho-dev@xxxxxxxxxxx
> > > https://dev.eclipse.org/mailman/listinfo/tycho-dev
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