Query Intermittently Spins on CPU in Function kkscsFindMatchingRange()
(Doc ID 1949350.1)
Last updated on FEBRUARY 14, 2019
Applies to:Oracle Database - Enterprise Edition - Version 188.8.131.52 to 184.108.40.206 [Release 11.2 to 12.1]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.
- Query intermittently spins on CPU, but most of the time runs OK without spinning.
- The execution plan is good and does not change when the problem is hit.
- Errorstacks of the spinning process show that it is stuck in the function kkscsFindMatchingRange(). Call stack in the trace file :
No actual changes.
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