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Date: Wed, 15 Jul 2020 16:37:41 +0200 From: Paolo Abeni <pabeni@...hat.com> To: Eelco Chaudron <echaudro@...hat.com>, netdev@...r.kernel.org Cc: davem@...emloft.net, dev@...nvswitch.org, kuba@...nel.org, pshelar@....org Subject: Re: [PATCH net-next] net: openvswitch: reorder masks array based on usage On Wed, 2020-07-15 at 14:09 +0200, Eelco Chaudron wrote: > This patch reorders the masks array every 4 seconds based on their > usage count. This greatly reduces the masks per packet hit, and > hence the overall performance. Especially in the OVS/OVN case for > OpenShift. > > Here are some results from the OVS/OVN OpenShift test, which use > 8 pods, each pod having 512 uperf connections, each connection > sends a 64-byte request and gets a 1024-byte response (TCP). > All uperf clients are on 1 worker node while all uperf servers are > on the other worker node. > > Kernel without this patch : 7.71 Gbps > Kernel with this patch applied: 14.52 Gbps > > We also run some tests to verify the rebalance activity does not > lower the flow insertion rate, which does not. > > Signed-off-by: Eelco Chaudron <echaudro@...hat.com> > Tested-by: Andrew Theurer <atheurer@...hat.com> Reviewed-by: Paolo Abeni <pabeni@...hat.com> /P
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