High Kernel CPU Usage on System Running Oracle ASM with Oracle ASMLib

Solution Verified - Updated -

Issue

  • High kernel CPU usage when running Oracle ASM or Oracle database Stress Test
  • %sys increases during workload increase

Environment

  • Red Hat Enterprise Linux 7
  • Oracle Database server
  • Oracle Automatic Storage Management (ASM), using optional ASMLib
  • Large number of ASM disks

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