RHEL: Application ported from Solaris shows a large variation in performance metrics such as significant high IOwait and high cpu util

Solution Verified - Updated -

Issue

  • An application was ported from Solaris 11 to RHEL 7.4 and in house performance monitoring showed a significant increase in the high IOwait and cpu load averages.

Environment

  • Red Hat Enterprise Linux 7.4
  • Solaris 11

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