[rules-users] Drools Execution Server memory leak?

[fx242]

Hi,

We are having the same problem with a similar setup (drools 5.2.0 Final)
using stateless sessions and camel integration, using a KB with ~3000 rules.
Session memory is never reclaimed, and after some hours we got an out of
memory error. We still dont know the cause, but the profiler shows that
these objects are increasing rapidly:

org.drools.reteoo.BetaMemory	                                 176.478
+176.163 (+55925 %)	6.893 kB
org.drools.core.util.LeftTupleList	                                 175.467
+175.156 (+56320 %)	6.854 kB
org.drools.core.util.RightTupleList	                         172.806
+172.536 (+63902 %)	6.750 kB
org.drools.rule.ContextEntry[ ]	                                 164.784
+164.724 (+274540 %)	2.659 kB
org.drools.core.util.Entry[ ]	                                        
160.520	+160.449 (+225985 %)	16.561 kB
org.drools.core.util.ObjectHashMap	                         158.309	+158.253
(+282595 %)	6.183 kB
org.drools.reteoo.AccumulateNode$AccumulateMemory	 154.505	+154.503
(+7725150 %)	4.828 kB
org.mvel2.integration.impl.IndexVariableResolver          76.262	+76.234
(+272264 %)	1.787 kB

We used drools 5.1.1 before with no problems, so we think this leak is
upgrade related.
Regards,
TL


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