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From: "Avi Cohen (A)" <avi.cohen@huawei.com>
To: "dpdk-ovs@lists.01.org" <dpdk-ovs@lists.01.org>,
	"users@dpdk.org" <users@dpdk.org>,
	"ovs-discuss@openvswitch.org" <ovs-discuss@openvswitch.org>
Subject: [dpdk-users] OVS-DPDK - Very poor performance when connected to namespace/container
Date: Thu, 15 Jun 2017 07:13:42 +0000	[thread overview]
Message-ID: <B84047ECBD981D4B93EAE5A6245AA361013BE2A7@FRAEML521-MBX.china.huawei.com> (raw)

Hello   All,
I have OVS-DPDK connected to a namespace via veth pair device.

I've got a very poor performance - compared to normal OVS (i.e. no DPDK). 
For example - TCP jumbo pkts throughput: normal OVS  ~ 10Gbps , OVS-DPDK 1.7 Gbps.

This can be explained as follows: 
veth is implemented in kernel - in OVS-DPDK data is transferred from veth to user space while in normal OVS we save this transfer

Is there any other device to connect to namespace ? something like vhost-user ? I understand that vhost-user cannot be used for namespace 

Best Regards
avi

             reply	other threads:[~2017-06-15  7:14 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-15  7:13 Avi Cohen (A) [this message]
     [not found] ` <4B1BB321037C0849AAE171801564DFA6888840AA@IRSMSX107.ger.corp.intel.com>
2017-06-15  8:49   ` Avi Cohen (A)
     [not found]     ` <4B1BB321037C0849AAE171801564DFA6888842FA@IRSMSX107.ger.corp.intel.com>
2017-06-15 12:13       ` Avi Cohen (A)
2017-06-16  8:56       ` Gray, Mark D
2017-06-16 16:53         ` [dpdk-users] [ovs-discuss] " Darrell Ball
2017-06-16 17:01           ` Mooney, Sean K
2017-06-16 17:25             ` Darrell Ball
2017-06-18  6:51               ` Avi Cohen (A)

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