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From: Jason van Zyl <jason@tesla.io>
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Subject: Re: Parallel classloading, need review...
Date: Thu, 8 Aug 2013 14:20:46 -0400
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What the performance difference in loading classes in your stand-alone =
tests?

On Aug 8, 2013, at 2:12 PM, Kristian Rosenvold =
<kristian.rosenvold@gmail.com> wrote:

> I just committed an update to plexus-classworlds that permits
> concurrent classloading under jdk7.
>=20
> I would really appreciate it if anyone would care to review this
> patch, especially regarding thread safety (esp the use of guards
> to access the protected methods of the base classes, which is where
> the likely stuff might be).
>=20
> It's also possible to test this locally by building the snapshot
> version from github and replacing the
> plexus-classworlds-*.jar file in the "lib" folder of your maven
> installation. You probably want to be running with the -T option
> for a meaningful test.
>=20
> Dont expect significant gains until I am able to re-consider the
> synchronization in maven core regarding plugin
> construction, since that's pretty heavily synchronized atm. This is in
> the famous pipeline, and this patch is step 1.
>=20
> So if anyone wants to study the details of the new jdk7 class loaders
> and do a review at the same time, the
> commit can be found here:
>=20
> =
https://github.com/sonatype/plexus-classworlds/commit/bc9583c4883b07adf980=
6b8323691aa5085c023e
>=20
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>=20

Thanks,

Jason

----------------------------------------------------------
Jason van Zyl
Founder,  Apache Maven
http://twitter.com/jvanzyl
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