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Support Article

Slow Connect-REST inbound mapping of JSON content

SA-14520

Summary



Connect-REST connectors run slow (over 3 minute response time) in the production system. These connectors map JSON content to the clipboard, and the inbound data mapping takes a significant amount of time. 

This performance issue is due to a database query executed by the ServiceHelper.getPropertiesInClass() method every time the method is executed. While an individual query for the properties on a class is fast (0.02 seconds), when run ~7500 times (once for each JSON value mapped in this connector) this causes a significant performance problem in aggregate (7500 x 0.02 = 150 seconds). Here is the code module, method, and line in question:


    at com.pega.pegarules.integration.engine.internal.ServiceHelper.getPropertiesInClass(ServiceHelper.java:7402) 


Error Messages



Not Applicable


Steps to Reproduce

  1. Run Connect-REST connector.
  2. Observe performance.


Root Cause



A defect in Pegasystems’ code or rules.

Resolution



Install HFix-23709.
Suggest Edit

Published October 1, 2015 - Updated October 8, 2020

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