Hi Raja, Will there be functionality issues if rps_cpus is not set. We did not face any issue in basic functionally.
Regards, Pramod.V On Tue, Oct 27, 2015 at 10:35 AM, Rajagopalan Sivaramakrishnan < [email protected]> wrote: > Hi Pramod, > RPS on pkt2 is a performance optimization to use multiple CPU cores in > the vrouter receive path. This hasn’t been tried on virtualbox until now to > my knowledge and I’m not sure if it would have a significant impact in this > scenario. There should be functionality issues if rps_cpus is not set. > > Raja > > From: Dev <[email protected]> on behalf of pramod v < > [email protected]> > Date: Monday, October 26, 2015 at 12:09 PM > To: Anand H Krishnan <[email protected]> > Cc: "[email protected]" <[email protected]> > Subject: Re: [opencontrail-dev] Issues in Host connectivity when running > contrail vrouter on virtualbox > > Hi Anand, > > I am still seeing the issue after i applied the patch. The moment the > script writes rps_cpu value , vhost0 loses connectivity. > > Regards, > > Pramod.V > > On Mon, Oct 26, 2015 at 3:38 PM, pramod v <[email protected]> wrote: > >> Hi Anand, >> >> We are currently using Contrail v2.1 on 3.13.0-65 on virtualbox, whereas >> on BM we are using v2.1 on 3.13.0-63 (here it works fine, without the >> necessary patch) >> >> I will apply the patch and let you know in virtualbox. >> >> Regards, >> Pramod.V >> >> On Mon, Oct 26, 2015 at 3:17 PM, Anand H Krishnan <[email protected]> >> wrote: >> >>> Which contrail version are you using? >>> >>> >>> There is a known issue in ubuntu with kernels equal to above 3.13.0-63. >>> You >>> >>> can look at >>> >>> >>> >>> https://github.com/Juniper/contrail-packaging/commit/c26b0a9d1ad46186a28c6b60ae1b2efd42a6040d >>> >>> <https://github.com/Juniper/contrail-packaging/commit/c26b0a9d1ad46186a28c6b60ae1b2efd42a6040d> >>> Explicitly bring up the interfaces used for RPS/GRO · >>> Juniper/contrail-packaging@c26b0a9 >>> In the ubuntu version of 3.13.0 (-63, onwards), packets are dropped by >>> the kernel if the incoming interface is not up (a possibility with virtual >>> interfaces). So, explicitly bring those interfaces ... >>> Read more... >>> <https://github.com/Juniper/contrail-packaging/commit/c26b0a9d1ad46186a28c6b60ae1b2efd42a6040d> >>> >>> >>> >>> Thanks, >>> >>> Anand >>> >>> >>> ------------------------------ >>> *From:* Dev <[email protected]> on behalf of pramod v < >>> [email protected]> >>> *Sent:* Monday, October 26, 2015 11:24 AM >>> *To:* [email protected] >>> *Subject:* [opencontrail-dev] Issues in Host connectivity when running >>> contrail vrouter on virtualbox >>> >>> Hi All, >>> >>> We are running a contrail setup using vagrant with virtualbox as the >>> hypervisor. >>> >>> In a compute node running contrail vrouter , we see the node losing host >>> connectivity after vrouter kernal module is inserted and the vhost0 is up. >>> >>> We use the script if-vhost0 , which calls vrouter-functions.sh to insert >>> the vrouter kernal module and configure pkt1 and pkt2 interfaces. >>> >>> After debugging we found that the issue is caused when the >>> vrouter-functions.sh changes the rps settings in pkt2 queues. >>> >>> We see this behaviour only in virtualbox. Is this a known issue , also >>> what is the impact if we disable setting of rps in pkt2 >>> >>> Regards, >>> >>> Pramod.V >>> Manager, >>> Reliance Jio Infocomm Ltd >>> >>> >> >> >> >> -- >> Pramod.V >> Manager, >> Reliance Jio Infocomm Ltd >> >> > > > > -- > Pramod.V > Manager, > Reliance Jio Infocomm Ltd > > -- Pramod.V Manager, Reliance Jio Infocomm Ltd
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