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Support Article

Slowness parsing Connect-REST JSON response



The user is exerpirencing slow Connect-REST JSON response. The below query keeps running again and again during an asynchronous loading of a data page.

SELECT pyPropertyName AS "pyPropertyName",
pyPageClass AS "pyPageClass",
pyPropertyMode AS "pyPropertyMode"
FROM Rules.pr4_rule_property "property"
WHERE (pxObjClass = 'Rule-Obj-Property')
AND (pyClassName = ?)
AND (pyRuleAvailable = 'Yes')

Error Messages

Not Applicable

Steps to Reproduce

Use Wizard to consum REST service that returns JSON response. Use Data page.
Run it asynchronously in a flow
Notice the preponderance of SQL queries

Root Cause

A defect in Pegasystems’ code or rules caused JSON Cache to be re-loaded (hence reading of Property rules).


Apply HFix-28691.


Published August 4, 2016 - Updated October 8, 2020

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