In your application, you can generate Java code for your Txn class and compile this; then compile the DRL with your rules. This should give you the performance of OPTION 2. -W
On 9 February 2011 05:29, Saurabh <[email protected]> wrote: > > Hi, > > more detailed Fact problem > > ENVIRONMENT: > My system generates a Txn class on startup based on db config (along with > rules). > Then it starts reading the database table, creating instances of this Txn > class. > These instances are inserted into the working memory, and fireAllRules > called for each insertion. > The number of these instances in memory will grow beyond one million. > Drools Version is 5.1.1. > > OPTION 1: > Txn is generated as a declared class in DRL and FactType is used to create > and insert instances. > I get this to run at 75 TPS which starts slowing down as the number of Txns > in working memory grows. > This is too slow for my needs. > > OPTION 2: > I created the Txn as a Java class and used normal new() to create instances > and insert into the working memory. > This runs at 1000 TPS steadily all the way to 1.4 millions Txns in memory. > > THIS IS ODD, NEED HELP ! > Any ideas ? Option 1 is what we need as the Txn fields change in each run > configuration. > Both options work correctly insofar as rule firing is concerned. > Does not appear to be 'reflection' as it gets worse as the number of > instances of Txn in working memory increases. > > Regards > Saurabh > > -- > View this message in context: > http://drools-java-rules-engine.46999.n3.nabble.com/fact-problem-tp2453010p2456322.html > Sent from the Drools - User mailing list archive at Nabble.com. > _______________________________________________ > rules-users mailing list > [email protected] > https://lists.jboss.org/mailman/listinfo/rules-users >
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