[rules-users] drools performance : max limit on # of facts for each execution

techy techluver007 at gmail.com
Tue Nov 18 10:50:43 EST 2008


If I have set of rules(say 5 rules for now.. which just compares few fields
in facts and increments execution count on Rule Object as a consequence)
working on single fact and I have huge amount of data to process,
How many maximum facts can I insert into stateless session at a time for
faster execution of rules for each execution?

I inserted to 50,000 facts into stateless session(desktop runs in win XP,
and assigned 500MB head size to the java process) and with drools debug
enabled, I noticed that insertion itself takes(>10 secs) considerable time.

I would like to know best practices in such situations. appreciate your
help.

Thanks!
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