[rules-users] OutOfMemoryError using 6.0.1

[Geoffrey De Smet]

A workaround in optaplanner 6.0.1 is probably to enforce RETE_OO
(unfortunately ScoreDirectorFactoryConfig#buildKieBase hard codes that, 
so that's a PITA).

It's fixed in BRMS 6.0.0.GA and optaplanner 6.1.0.Beta1.
optaplanner 6.1.0.Beta1 might be released later this month.

On 19-02-14 13:11, Matteo Mortari wrote:
> Ciao, I'm another Drools user also encountering similar OutOfMemory 
> errors with v6.0.1; I'm not 100% sure what is your issue specific to, 
> but this may be related / of interest to your case: 
> https://issues.jboss.org/browse/DROOLS-411
>
> Hope this helps;
> Ciao
> MM
>
>
> On Wed, Feb 19, 2014 at 8:20 AM, john poole <jdpoole at gmail.com 
> <mailto:jdpoole at gmail.com>> wrote:
>
>     I've converted some NurseRostering rules, which worked in Drools
>     5.50, to
>     OptaPlanner 6.0.1. While it works far better for the time it runs,
>     it uses
>     up whatever memory I can give it (9GB) and then eventually crashes
>     the GUI.
>
>     with:
>     Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: GC
>     overhead limit exceeded
>
>     Is there a way to limit how much memory OptaPlanner uses? Or is it
>     likely
>     that I'm just adding fact to the WorkingMemory in a way that wasn't a
>     problem in 5.5 but is a problem in 6.0?
>
>
>
>
>
>     --
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>     Sent from the Drools: User forum mailing list archive at Nabble.com.
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