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Declaratives/fragments cache is reduced frequently



The declaratives/fragments cache is reduced frequently. The application performance degrades when regenerating the previously-cached rules.

Error Messages

Not Applicable.

Steps to Reproduce


Root Cause

A defect in Pegasystems’ code or rules. The default declaritives/fragments instance count limit is used.


Perform the following local-change:

Add the following DSS settings:
  • Pega-Engineprconfig/declaratives/fragments/instancecountlimit ( set 5000)
  • Pega-Engineprconfig/collections/mru/PropertyReference/instancecountlimit  ( set 30000)
  • Pega-Engineprconfig/fua/global/instancecountlimit  ( set 30000)
  • Pega-Engineprconfig/fua/personal/instancecountlimit  ( set 30000)
  • Pega-Engineprconfig/declaratives/declarepages/instancecountlimit/default (set to 3000)
  • Pega-Engineprconfig/declaratives/fragments/instancecountlimit/default (set to 5000)


Published July 23, 2018 - Updated October 8, 2020

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