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Posted to issues@maven.apache.org by "Kristian Rosenvold (JIRA)" <ji...@codehaus.org> on 2009/11/17 12:08:55 UTC
[jira] Issue Comment Edited: (MNG-3004) Allow build lifecycle to
execute projects in parallel
[ http://jira.codehaus.org/browse/MNG-3004?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=198467#action_198467 ]
Kristian Rosenvold edited comment on MNG-3004 at 11/17/09 5:08 AM:
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The enclosed patch contains the StringSearchModelInterpolatorTest and its base class I ressurected from the maven 2.2.X build. The test also contains an upgraded concurrency test that fails most of the time unless the patch is applied.
There are a large number of tests in the base class AbstractModelInterpolatorTest that failed. I have commented these tests out, since I have no idea if these should work on the 3.x line.
It would be appreciated if someone took a quick look at the commented-out tests and made a quick assesment if these are still relevant and how they can be made to pass again.
I suspect that some of them fail because I added new File(".") as a don't-know value to the interpolate method
was (Author: krosenvold):
The enclosed patch contains the StringSearchModelInterpolatorTest and its base class I ressurected from the maven 2.2.X build. The test also contains an upgraded concurrency test that fails most of the time unless the patch is applied.
There are a large number of tests in the base class AbstractModelInterpolatorTest that failed. I have commented these tests out, since I have no idea if these should work on the 3.x line.
It would be appreciated if someone took a quick look at the commented-out tests and made a quick assesment if these are still relevant and how they can be made to pass again.
> Allow build lifecycle to execute projects in parallel
> -----------------------------------------------------
>
> Key: MNG-3004
> URL: http://jira.codehaus.org/browse/MNG-3004
> Project: Maven 2
> Issue Type: Improvement
> Components: Bootstrap & Build, General, Performance
> Affects Versions: 2.0.6
> Reporter: Nigel Magnay
> Fix For: 2.3.x
>
> Attachments: MNG-3004-Resurrected-StringSearchModelInterpolatorTest.patch, MNG-3004.increased-testability.patch, MNG3004-SSMI.patch, parallel-builds.patch
>
>
> One of the great advantages with maven over scripted build environments is that it can calculate the dependencies of the build, and it could execute items that are independent of each other in parallel.
> Unfortunately it currently doesn't do this, which would be a big win over tools such as 'ant'. It also means that multicore machines have lots of idle capacity when running a serial build that could be utilised.
> I had a quick shot at seeing what might be required. Bear in mind this is the first time I have looked at maven internally, and I was just trying to feel my way around and build a POC. I got some of the way there, but my build threads don't seem to have the correct classpath - I think this is something to do with plexus / classworlds - but I don't know enough.
> It'd be great to get this feature in a future version, or a way of running my hack (figuring out why in a thread has not the plexus stuff) in the interim.
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