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A workaround in optaplanner 6.0.1 is probably to enforce RETE_OO<br>
(unfortunately ScoreDirectorFactoryConfig#buildKieBase hard codes
that, so that's a PITA).<br>
<br>
It's fixed in BRMS 6.0.0.GA and optaplanner 6.1.0.Beta1.<br>
optaplanner 6.1.0.Beta1 might be released later this month.<br>
<br>
<div class="moz-cite-prefix">On 19-02-14 13:11, Matteo Mortari
wrote:<br>
</div>
<blockquote
cite="mid:CAHOoiEpKMoB8qQqYsaTV7Lsc1c9tM8qiB9=YTA8j0LOL1hsjeA@mail.gmail.com"
type="cite">
<div dir="ltr">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: <a moz-do-not-send="true"
href="https://issues.jboss.org/browse/DROOLS-411">https://issues.jboss.org/browse/DROOLS-411</a>
<div>
<br>
</div>
<div>Hope this helps;</div>
<div>Ciao</div>
<div>MM</div>
</div>
<div class="gmail_extra"><br>
<br>
<div class="gmail_quote">On Wed, Feb 19, 2014 at 8:20 AM, john
poole <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:jdpoole@gmail.com" target="_blank">jdpoole@gmail.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">I've
converted some NurseRostering rules, which worked in Drools
5.50, to<br>
OptaPlanner 6.0.1. While it works far better for the time it
runs, it uses<br>
up whatever memory I can give it (9GB) and then eventually
crashes the GUI.<br>
<br>
with:<br>
Exception in thread "AWT-EventQueue-0"
java.lang.OutOfMemoryError: GC<br>
overhead limit exceeded<br>
<br>
Is there a way to limit how much memory OptaPlanner uses? Or
is it likely<br>
that I'm just adding fact to the WorkingMemory in a way that
wasn't a<br>
problem in 5.5 but is a problem in 6.0?<br>
<br>
<br>
<br>
<br>
<br>
--<br>
View this message in context: <a moz-do-not-send="true"
href="http://drools.46999.n3.nabble.com/OutOfMemoryError-using-6-0-1-tp4028183.html"
target="_blank">http://drools.46999.n3.nabble.com/OutOfMemoryError-using-6-0-1-tp4028183.html</a><br>
Sent from the Drools: User forum mailing list archive at
Nabble.com.<br>
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