[rules-users] Jbilling Drools performance

Greg Barton greg_barton at yahoo.com
Tue May 18 11:12:28 EDT 2010


OK, so a few questions:

What is a CDR?  How much data does it contain?  Do you load the rules fresh each time you process one?  Are there other rules besides the ones listed in the decision table?

--- On Tue, 5/18/10, Antonio Anderson Souza <antonio at voicetechnology.com.br> wrote:

From: Antonio Anderson Souza <antonio at voicetechnology.com.br>
Subject: Re: [rules-users] Jbilling Drools performance
To: "Rules Users List" <rules-users at lists.jboss.org>
Date: Tuesday, May 18, 2010, 9:49 AM

Dear All,

I've finished the tests with the digit per digit comparison without eval, but the performance does not increased a lot, it still taking about 1 minute per CDR, that is so slow for a Telecom Carrier, follow a piece of the new spreadsheet below:




	
	
	
	


	
	
		
			RuleSet
			pricing
			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

		
		
			Sequencial
			true
			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

		
		
			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

		
		
			RuleTable Padrao
			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

			

		
		
			CONDITION



			CONDITION
			CONDITION
			CONDITION
			CONDITION
			CONDITION
			CONDITION
			CONDITION
			CONDITION
			CONDITION
			CONDITION
			CONDITION
			CONDITION
			ACTION
			PRIORITY 
		
		
			PricingField



			PricingField
			PricingField
			PricingField
			PricingField
			PricingField
			PricingField
			PricingField
			PricingField
			PricingField
			PricingField
			PricingField
			PricingManager
			manager
			salience
		
		
			name
			digit0 == '$param'
			name
			digit1 == '$param'
			name
			digit2 == '$param'
			name
			digit3 == '$param'
			name
			digit4 == '$param'
			name
			digit5 == '$param'
			name
			digit6 == '$param'
			name
			digit7 == '$param'
			name
			digit8 == '$param'
			name
			digit9 == '$param'
			name
			digit10 == '$param'
			name
			digit11 == '$param'
			itemId
			setPrice($param)
			

		
		
			Campo
			Digito1
			Campo
			Digito2
			Campo
			Digito3
			Campo
			Digito4
			Campo
			Digito5
			Campo
			Digito6
			Campo
			Digito7
			Campo
			Digito8
			Campo
			Digito9
			Campo
			Digito10
			Campo
			Digito11
			Campo
			Digito12
			ID do Item
			Preço
			Ordem
		
		
			digit0
			5
			digit1
			5
			digit2
			9
			digit3
			9
			digit4
			3
			digit5
			2
			digit6
			6
			digit7
			3
			digit8
			1
			digit9
			0
			digit10
			0
			digit11
			9
			300
			0.32610
			1
		
		
			digit0
			5
			digit1
			5
			digit2
			9
			digit3
			8
			digit4
			3
			digit5
			2
			digit6
			6
			digit7
			3
			digit8
			5
			digit9
			0
			digit10
			8
			digit11
			9
			300
			0.32610
			2
		
		
			digit0
			5
			digit1
			5
			digit2
			9
			digit3
			8
			digit4
			3
			digit5
			2
			digit6
			6
			digit7
			3
			digit8
			5
			digit9
			0
			digit10
			8
			digit11
			8
			300
			0.32610
			3
		
		
			digit0
			5
			digit1
			5
			digit2
			9
			digit3
			8
			digit4
			3
			digit5
			2
			digit6
			6
			digit7
			3
			digit8
			5
			digit9
			0
			digit10
			8
			digit11
			7
			300
			0.32610
			4
		
		
			digit0
			5
			digit1
			5
			digit2
			9
			digit3
			8
			digit4
			3
			digit5
			2
			digit6
			6
			digit7
			2
			digit8
			5
			digit9
			0
			digit10
			0
			digit11
			6
			300
			0.32610
			5
		
	




Do i need to make some special treatment to get Drools indexing my rules? I'm using the guvnor to upload the spreadsheet and compile the rules.

Does anybody have some tips to increase the performance?



Thank you very much,

Antonio Anderson Souza
Voice Technology

http://www.antonioams.com



2010/5/17 Swindells, Thomas <TSwindells at nds.com>











My advice is to try just having a single column:
strValue matches “$param.*”
you could also compare the performance of that to
eval(strValue.startsWith(“$param”))
 
Also presumably you are only wanting the first matching rule in your table to fire, looking at the table below drools will fire all of the matching rules,
 this will mean than any phone number with prefix 5511 will be charged at 0.4 as that will be the last rule to fire. 

 
Thomas
 



From: rules-users-bounces at lists.jboss.org [mailto:rules-users-bounces at lists.jboss.org]
On Behalf Of Greg Barton

Sent: 14 May 2010 20:59

To: Rules Users List

Subject: Re: [rules-users] Jbilling Drools performance


 




No problem.  I'm not sure how you'd do this in a decision table (it's probably pretty trivial) but in DRL you'd do:



rule "makePhoneNumber" 

when

  s: String()

then

  insert(new PhoneNumber(s));

  retract(s);

end



With two caveats: 



1) you need some conditions on the String matched if there are other Strings that don't make PhoneNumbers.

2) The rule could use a salience value higher than the pricing rules, but that isn't necessary.



Actually, there's a third caveat, and it's a big one: this won't work with sequential mode. This is because the rule above would alter working memory with the expectation that the pricing rules would react to the change.  If you want to use sequential mode
 you'll have to convert to PhoneNumber objects before hand.  I understand that you're using this Jbilling package, but is there no way you can put an intermediate adapter between the two?  It'd be as simple as inserting "new PhoneNumber(someString)" instead
 of "someString".



--- On Fri, 5/14/10, Antonio Anderson Souza <antonio at voicetechnology.com.br> wrote:


From: Antonio Anderson Souza <antonio at voicetechnology.com.br>

Subject: Re: [rules-users] Jbilling Drools performance

To: "Rules Users List" <rules-users at lists.jboss.org>

Date: Friday, May 14, 2010, 2:16 PM

Dear Greg,



Thanks very much for your reply.



I'm using sequential mode = true



Is there a way to create this PhoneNumber class, and convert the String to the PhoneNumber object inside the Drools? Because I'm using a system called JBilling and it send the phoneNumber as a String.



Sorry if those are basic questions, but I'm a newbie in Drools...



Thank you very much,



Antonio Anderson Souza

Voice Technology

http://www.antonioams.com





2010/5/14 Greg Barton <greg_barton at yahoo.com>




Right off the bat I'd say try to get rid of the eval usage.  Can you put the phone number into an object like this:



class PhoneNumber {

  private char digit0;

  private char digit1;

  ///...same for the rest of the digits



  public char getDigit0() { return digit0; }

  public char getDigit1() { return digit1; }

}



Then the conditions would look like this:



digit0 == '$param'



Behind the scenes hopefully this will optimize better.  The use of eval won't optimize well.



Are you using sequential mode?  This might be a good candidate for that if setting the price does not trigger any other rules to fire.



--- On Fri, 5/14/10, Antonio Anderson Souza <antonioams at gmail.com> wrote:


From: Antonio Anderson Souza <antonioams at gmail.com>

Subject: [rules-users] Jbilling Drools performance

To: "Drools Users Mailing list" <rules-users at lists.jboss.org>

Date: Friday, May 14, 2010, 1:28 PM


 




Dear All,

I'm deploying  a JBilling using Drools in a Telecom Carrier in Brazil, and I'm using Decision tables in xls files to execute the pricing, my pricing table has about 40.000 rules, and I'm getting a terrible performance
 about 1.5 minute to execute the price of each CDR (Call Detail Record) mediated.



Follow bellow a small piece of my decision table:







RuleTable Padrao



























































































CONDITION


CONDITION


ACTION


PRIORITY 







PricingField


PricingManager


manager


salience




name


eval (strValue.charAt(0) == '$param')


eval (strValue.charAt(1) == '$param')


eval (strValue.charAt(2) == '$param')


eval (strValue.charAt(3) == '$param')


eval (strValue.charAt(4) == '$param')


eval (strValue.charAt(5) == '$param')


eval (strValue.charAt(6) == '$param')


eval (strValue.charAt(7) == '$param')


eval (strValue.charAt(8) == '$param')


eval (strValue.charAt(9) == '$param')


eval (strValue.charAt(10) == '$param')


eval (strValue.charAt(11) == '$param')


itemId


setPrice($param)







Campo


Digito1


Digito2


Digito3


Digito4


Digito5


Digito6


Digito7


Digito8


Digito9


Digito10


Digito11


Digito12


ID do Item


Preço


Ordem




destinationnumber


5


5


1


1


3


5


8


8


0


1


8


8


300


0.00000


1




destinationnumber


5


5


1


1


3


5


8


8


0


1


8


7


300


0.00000


2




destinationnumber


5


5


1


1


3


5


8


8


0


1


8


6


300


0.00000


3




destinationnumber


5


5


1


1


3


5


8


8


0


1


8


5


300


0.00000


4




destinationnumber


5


5


1


1


3


5


8


8


0


1


8


4


300


0.00000


5




destinationnumber


5


5


1


1


3


5


8


8


0


1


8


3


300


0.00000


6




destinationnumber


5


5


1


1


3


5


8


8


0


1


8


2


300


0.00000


7




destinationnumber


5


5


1


1


















300


0.40000


8








Is it normal? Are there somebody using Jbilling in a similar way? Does anybody can help me?



Best regards,



Antonio Anderson Souza

Voice Technology

http://www.antonioams.com

 



 

 


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