Hi Jakub, MTU is at 9000 on the physical, the bond ans the vhost. MTU inside the VM is 1500.
Foucault 2016-06-27 18:48 GMT+02:00 Jakub Pavlik <[email protected]>: > HI Foucault, > > do you have MTU 9000 everywhere? Even tap interface outside and inside of > VM? > > Jakub > > > On 27.6.2016 18:35, Foucault de Bonneval wrote: > > Hi there, > > We are actually running new benchmarks on Opencontrail 2.21.x version. > The maximum throughput we can get is : > - ~6Gb/s in "half duplex" from VM A -> VM B or VM B -> VM A > - ~3.5Gb/s in "full duplex" in a VM A <-> VM B pattern > > Tests are run with Iperf on Ubuntu 14.04, computes are also on Ubuntu > 14.04, kernel 3.13.0-83-generic > > > Does anyone have run similar tests and may have results to share ? > If anyone have dig on optimizations on a system level that could improve > those results, I'd love some informations. > > Thanks, > Foucault > > > CPU : Intel(R) Xeon(R) CPU E5-2670 v3 @ 2.30GHz (48 cores) > > # lspci > 01:00.0 Ethernet controller: Intel Corporation 82599ES 10-Gigabit SFI/SFP+ > Network Connection (rev 01) > 01:00.1 Ethernet controller: Intel Corporation 82599ES 10-Gigabit SFI/SFP+ > Network Connection (rev 01) > > > # ethtool -k vhost0 > Features for vhost0: > rx-checksumming: off [fixed] > tx-checksumming: on > tx-checksum-ipv4: on [fixed] > tx-checksum-ip-generic: off [fixed] > tx-checksum-ipv6: off [fixed] > tx-checksum-fcoe-crc: off [fixed] > tx-checksum-sctp: off [fixed] > scatter-gather: on > tx-scatter-gather: on [fixed] > tx-scatter-gather-fraglist: off [fixed] > tcp-segmentation-offload: on > tx-tcp-segmentation: on [fixed] > tx-tcp-ecn-segmentation: off [fixed] > tx-tcp6-segmentation: off [fixed] > udp-fragmentation-offload: off [fixed] > generic-segmentation-offload: on > generic-receive-offload: on > large-receive-offload: off [fixed] > rx-vlan-offload: off [fixed] > tx-vlan-offload: off [fixed] > ntuple-filters: off [fixed] > receive-hashing: off [fixed] > highdma: off [fixed] > rx-vlan-filter: off [fixed] > vlan-challenged: off [fixed] > tx-lockless: off [fixed] > netns-local: off [fixed] > tx-gso-robust: off [fixed] > tx-fcoe-segmentation: off [fixed] > tx-gre-segmentation: off [fixed] > tx-ipip-segmentation: off [fixed] > tx-sit-segmentation: off [fixed] > tx-udp_tnl-segmentation: off [fixed] > tx-mpls-segmentation: off [fixed] > fcoe-mtu: off [fixed] > tx-nocache-copy: off > loopback: off [fixed] > rx-fcs: off [fixed] > rx-all: off [fixed] > tx-vlan-stag-hw-insert: off [fixed] > rx-vlan-stag-hw-parse: off [fixed] > rx-vlan-stag-filter: off [fixed] > l2-fwd-offload: off [fixed] > > > _______________________________________________ > Dev mailing > [email protected]http://lists.opencontrail.org/mailman/listinfo/dev_lists.opencontrail.org > > > -- > Jakub Pavlik > CTO > > [tcp ◕ cloud] > +420 602 177 [email protected] > > tcp cloud a.s. > Thamova 16 > 186 00 Praha 8 - Karlin > Czech republichttp://tcpcloud.euhttp://opentcpcloud.org > >
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