[rules-users] Parallel processing of large batches of facts

[Tim Jones]

Hello,



I’m working on a project that needs a high performance rules system for
processing batches of objects. Typically I’ll have a dozen or so rules, the
most complex of which will aggregate several objects based on timestamps and
specified data patterns. The objects will come in batches of a few 100ks.
The system is reset back to the starting point after each batch is
processed.



My guess at doing this with Drools is that you load up all the rules and
enter all the objects as “facts”. You then hit fireallrules and sit back and
wait. Doing this, I only get so much performance and I can see that its only
using a single thread. Is there a way to process the whole lot in a
parallel, or multithreaded way? Unfortunately there's no natural way to
partition the objects that would make things easier.



Cheers,

Tim
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