Update the documentation with the information on the megaflow hits observed with the default 'emc-insert-inv-prob' value. Also add the recommended setting for achieving higher forwarding performance.
Signed-off-by: Bhanuprakash Bodireddy <[email protected]> CC: Ciara Loftus <[email protected]> CC: Georg Schmuecking <[email protected]> --- Documentation/howto/dpdk.rst | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/howto/dpdk.rst b/Documentation/howto/dpdk.rst index dc63f7d..3bd9e07 100644 --- a/Documentation/howto/dpdk.rst +++ b/Documentation/howto/dpdk.rst @@ -398,6 +398,14 @@ where: If ``N`` is set to 1, an insertion will be performed for every flow. If set to 0, no insertions will be performed and the EMC will effectively be disabled. +With default ``N`` set to 100, higher megaflow hits will occur initially +as observed with pmd stats:: + + $ ovs-appctl dpif-netdev/pmd-stats-show + +For certain traffic profiles with many parallel flows, it's recommended to set +``N`` to '0' to achieve higher forwarding performance. + For more information on the EMC refer to :doc:`/intro/install/dpdk` . .. _dpdk-ovs-in-guest: -- 2.4.11 _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
