Performance degradation on RHEL6 with a realtime multithreaded application

Solution Unverified - Updated -

Issue

  • During our load tests we observed significant performance degradation witH RHEL 6 over RHEL 5.
  • Our application is multithreaded real time application.
  • I tried changing below scheduler parameters which had little impact

Environment

  • Red Hat Enterprise Linux 6.4
  • Realtime, multithreaded application

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