High CPU caused with the query "select correlatio0_.processInstanceId as col_0_0_ from CorrelationKeyInfo correlatio0_ where correlatio0_.name=:1"

Solution Unverified - Updated -

Issue

  • The following query causes high CPU during load testing:

    select correlatio0_.processInstanceId as col_0_0_ from CorrelationKeyInfo correlatio0_ where correlatio0_.name=:1
    
  • What is the use of this query in the engine?

  • Why does this query uses so much CPUs when "name" column of the CorrelationKeyInfo table is equal to null in 90% of cases;
  • Is there a way to disable this query?

Environment

  • Red Hat Process Automation Manager (RHPAM) 7.4

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