Re: [ovs-dev] [PATCH v3 4/4] netdev-dpdk: Enable vhost-tx-retries config.

2019-06-28 Thread Kevin Traynor
On 28/06/2019 15:39, Ian Stokes wrote: > On 6/27/2019 12:12 PM, Kevin Traynor wrote: >> vhost tx retries can provide some mitigation against >> dropped packets due to a temporarily slow guest/limited queue >> size for an interface, but on the other hand when a system >> is fully loaded those extra

Re: [ovs-dev] [PATCH v3 4/4] netdev-dpdk: Enable vhost-tx-retries config.

2019-06-28 Thread Kevin Traynor
On 28/06/2019 13:34, Ilya Maximets wrote: > On 27.06.2019 14:12, Kevin Traynor wrote: >> vhost tx retries can provide some mitigation against >> dropped packets due to a temporarily slow guest/limited queue >> size for an interface, but on the other hand when a system >> is fully loaded those

Re: [ovs-dev] [PATCH v3 4/4] netdev-dpdk: Enable vhost-tx-retries config.

2019-06-28 Thread Ian Stokes
On 6/27/2019 12:12 PM, Kevin Traynor wrote: vhost tx retries can provide some mitigation against dropped packets due to a temporarily slow guest/limited queue size for an interface, but on the other hand when a system is fully loaded those extra cycles retrying could mean packets are dropped

Re: [ovs-dev] [PATCH v3 4/4] netdev-dpdk: Enable vhost-tx-retries config.

2019-06-28 Thread Ilya Maximets
On 27.06.2019 14:12, Kevin Traynor wrote: > vhost tx retries can provide some mitigation against > dropped packets due to a temporarily slow guest/limited queue > size for an interface, but on the other hand when a system > is fully loaded those extra cycles retrying could mean > packets are

Re: [ovs-dev] [PATCH v3 4/4] netdev-dpdk: Enable vhost-tx-retries config.

2019-06-27 Thread Flavio Leitner via dev
On Thu, Jun 27, 2019 at 12:12:32PM +0100, Kevin Traynor wrote: > vhost tx retries can provide some mitigation against > dropped packets due to a temporarily slow guest/limited queue > size for an interface, but on the other hand when a system > is fully loaded those extra cycles retrying could

[ovs-dev] [PATCH v3 4/4] netdev-dpdk: Enable vhost-tx-retries config.

2019-06-27 Thread Kevin Traynor
vhost tx retries can provide some mitigation against dropped packets due to a temporarily slow guest/limited queue size for an interface, but on the other hand when a system is fully loaded those extra cycles retrying could mean packets are dropped elsewhere. Up to now max vhost tx retries have