Bug 1701934

Summary:	Provide option to disable EMC in puppet-vswitch
Product:	Red Hat OpenStack	Reporter:	yogananth subramanian <ysubrama>
Component:	puppet-vswitch	Assignee:	yogananth subramanian <ysubrama>
Status:	CLOSED DUPLICATE	QA Contact:	nlevinki <nlevinki>
Severity:	high	Docs Contact:
Priority:	high
Version:	14.0 (Rocky)	CC:	jjoyce, jschluet, slinaber, tvignaud
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Hardware:	All
OS:	Linux
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Last Closed:	2019-04-22 13:52:49 UTC	Type:	Bug
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
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Description yogananth subramanian 2019-04-22 13:43:39 UTC

Description of problem:
Description of problem:
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:
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Actual results:


Expected results:
emc-insert-inv-prob to 0


Additional info:

Comment 1 yogananth subramanian 2019-04-22 13:52:49 UTC


*** This bug has been marked as a duplicate of bug 1701935 ***