Description of problem: This patch disables EMC by setting emc-insert-inv-prob to 0. Based on observation presented by Andrew Theurer[1],As the number of flows increase, the performance of OvS-DPDK with the Exact Match Cache (EMC) seems to diminish below OvS-DPDK performance with no EMC at all. Hence an option to disable EMC. [1] -http://www.openvswitch.org/support/ovscon2018/5/1330-theurer.pdf Version-Release number of selected component (if applicable): How reproducible: Steps to Reproduce: 1. 2. 3. Actual results: Expected results: emc-insert-inv-prob to 0 Additional info:
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2019:1672