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Support Article

Large number of PEGA0026 alerts in the log file

SA-12562

Summary



Performance is poor after migrating to Pega 7.1.7. large number of PEGA0026 alerts are observed in the log file.
 

Error Messages



Time to acquire a connection has exceeded the alert threshold of 100 ms


Steps to Reproduce



There is no specific use case to reproduce this issue.


Root Cause



The root cause of this problem is defect/misconfiguration in the operating environment.

There are two issues:
  • Large number of PEGA0026 alerts. Refer the PDN article to know more - http://pdn.pega.com/node/1952
  • A Guardrail query was timing out. This is because the query was too complex and would take too long to finish. The timeout was introduced in Pega 7.1.7 to prevent query running for too long.

Resolution

  • Set InitialSize of Connection pool to be same as Max size to avoid time spent in resizing the pool.
  • Remove the part of the section calling the guardrail report, if needed.

Published July 31, 2015 - Updated October 8, 2020

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