Batch Processor and Custom Functions

Hi,
We're using the 10.4.2 Batch Processor, connected to an Oracle 11g database to handle large amounts of data.
Recently, four custom functions have been added to the rulebase. Nothing complicated, just some string manipulation stuff (trim whitespace etc.). Each function is just a few lines of fairly simple code. No database calls, no web service calls or anything like that. It stays within the Java jar file.
Suddenly the processing time of the BP has gone up from a couple of minutes to well over an hour. The only change to the rulebase has been the addition of the functions, nothing else.
It almost looks like the BP is initialising the custom functions with every case that's processed. If this is the case then this would be massively inefficient and as a result we would not be able to implement our new functions.
Has anybody else come across this before?
Regards,
Evert

943413 wrote:
Hi,
We're using the 10.4.2 Batch Processor, connected to an Oracle 11g database to handle large amounts of data.
Recently, four custom functions have been added to the rulebase. Nothing complicated, just some string manipulation stuff (trim whitespace etc.). Each function is just a few lines of fairly simple code. No database calls, no web service calls or anything like that. It stays within the Java jar file.
Suddenly the processing time of the BP has gone up from a couple of minutes to well over an hour. The only change to the rulebase has been the addition of the functions, nothing else.
It almost looks like the BP is initialising the custom functions with every case that's processed. If this is the case then this would be massively inefficient and as a result we would not be able to implement our new functions.
Has anybody else come across this before?
Regards,
EvertEvert,
You are correct, it does initialise the custom function for every case that is processed. This is necessary as every case is a determinations engine session.
However, you have control over how long the initialization process. If you make the time consuming parts of your custom function static, and then make the initialization fast, then you will get a much faster custom function call. The custom function code is entirely within your control and you can make it as fast as you like.
Cheers
Frank

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Philippe Carpentier wrote:
Thank you Franck for your answer.
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Brad Tuckett wrote:
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