[rules-users] ruleflow trouble when process a large number of records

[Mazrim]

Hello,

I'm using drools 4.0.4 on jboss 4.0.5.
I build a ruleflow and  a set of rules following the documentation on
official drools site.
The ruleflow consist of about 50 ruleflow-group and 116 rules.
The ruleflow works correctly when processing a little number of records
(100-1000).
Instead if the number of records is around 20000 (they are processed in sets
of 100 record) many rules don't fire; so many records are lost in output. 
If I process in sets of 50 records I lose less records than in sets of 100
records. And  If I process in sets of 20 records I lose less records than in
sets of 50 records.
Must I tweak the JVM memory or the number of JVM threads? Or does this issue
concern the building of ruleflow (maybe it's bad built)?

Thanks in advance
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