The following comment has been added to this issue:

     Author: Dominique Collette
    Created: Thu, 15 Apr 2004 11:24 AM
       Body:
Hi Brett,

I work with Vincent. I'm looking at maven-1.0-rc3-SNAPSHOT's sources and the 
WerkzDependencyResolver that it uses calls addPrecursor() from buildGraph().

We're currently running on :
480RSystem = SunOS
Node = XXXXXX
Release = 5.9
KernelID = Generic_112233-07
Machine = sun4u
BusType = <unknown>
Serial = <unknown>
Users = <unknown>
OEM# = 0
Origin# = 1
NumCPU = 2
With at least 2Gigs of RAM, 1Gig HD partition.

JDK : 
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_01-b06), and I've also 
tried with an older version of 1.4.2.

I let maven's reactor run on all 58 projects overnight to see if it would ever resolve 
the dependency graph, and after approximately 3 hours, it finally did.

Since then, we've distributed the 58 maven projects in 3 separate maven reactors. It's 
running fine now.

That said, I am definitely not ruling out the possibility that the box has a config 
problem, because everything works fine under W2K, 1Gig RAM, 40 Gig HD.

If you need more info on my sys configs, don't hesitate.
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Here is an overview of the issue:
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        Key: MAVEN-1235
    Summary: Performance problem with Maven reactor on Solaris
       Type: Bug

     Status: Unassigned
   Priority: Major

 Original Estimate: Unknown
 Time Spent: Unknown
  Remaining: Unknown

    Project: maven
 Components: 
             core
   Versions:
             1.0-beta-10
             1.0-rc3
             1.0-rc1
             1.0-rc2

   Assignee: 
   Reporter: Vincent Massol

    Created: Wed, 14 Apr 2004 5:01 AM
    Updated: Thu, 15 Apr 2004 11:24 AM

Description:
Context: 

We have about 58 Maven projects. Each project has about 85 dependencies. About 50 of 
these are dependencies to external jars. The rest are inter-project dependencies.

Problem:

When running the Maven reactor on windows machine. The reactor correctly and 
relatively quickly (30-40 seconds) finds out the ordered list of projects to run. 
However, on Solaris, it takes about 215 minutes (almost 4 hours!) to find out the 
ordered list of projects.

Analysis:

It seems the problem is somewhere in the werkz code. When using a profiling tool, 100% 
of the time is spent in the Goal.addPrecusor method (which takes as an average about 1 
minute per project per dependency to run). I don't see how the problem could be in 
werkz. But still the profiling tool points there.

Could it be the checkForCycle which is somehow having recursivity problems on Solaris?

Any idea?

Thanks


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