PRPC for zOS Batch


We are having performance issues wherein in using Pega rules are called from a batch running on zOS. The message is sent from the zOS mainframe one by one and takes on an average 1 second. The message goes through the ESB to transform copybook to XML and send to Pega in a 4 node cluster.

We are looking to improve the situation given the volume of transactions and tight batch window.

I read the product sheet for 'PRPC for zOS Batch' and 'PRPC for Cobol' and would like to explore how it could help in above situation. Does this works with native copybook format or still need to translate to XML, does it makes the remote call to access business rules repository for validation or caches the rules and data locally on the mainframe? Would appreciate further information on this along with how customers are using this product with some references/case-studies, if possible?


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April 24, 2011 - 7:06pm

PRPC for Cobol is actually the instantiation of PRPC as part of a ZOS Cobol batch process. IBM Enterprise Cobol conforms ANSI specifications for Object Oriented Cobol and it supports both Cobol Objects and embedded Java Objects running inside Cobol program address space. The full PRPC for Cobol solution includes Cobol Objects that instantiate and communicate within the Cobol address space, with Cobol-to-Java built on top of JSR-194 features in PRPC, plus the Rule-Map-Cobol so that PRPC can directly map Cobol structures to clipboard, including native Cobol datatypes such as COMP-3 packed decimal.

January 7, 2011 - 10:37am

Hello Akhilesh,

We developed a rule type similar to Map-Structured called Map-COBOL. I believe you would see performance gains with the set-up you have, because Map-COBOL understands the native copybook format and does not require XML conversion. Please note that this feature is not part of the standard PRPC package and does have certain limitations on which primitive types it can work with.