From: Dheeraj Dang <dheerajdang138@gmail.com>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: users@dpdk.org
Subject: Re: [dpdk-users] Strange Packet Loss with number of flows.
Date: Thu, 26 Sep 2019 15:12:51 +0530 [thread overview]
Message-ID: <CAJyVW4-XmwEyVs-dHZDuUSA=Qt6ajdQ1iSutXw5aWMuVQ8RGdg@mail.gmail.com> (raw)
In-Reply-To: <20190925221748.1d53073c@hermes.lan>
I'm running dpdk test cases on Ubuntu 16.04 VM. xstats are not
available inside VM.
Following are the version of DPDK in Guest OS
*DPDK version : 17.08*
We are using *OVS version 2.6.1 *and *Intel Corporation Ethernet 10G 2P
X520 Adapter card.*
On Thu, Sep 26, 2019 at 10:47 AM Stephen Hemminger <
stephen@networkplumber.org> wrote:
> On Thu, 26 Sep 2019 10:10:25 +0530
> Dheeraj Dang <dheerajdang138@gmail.com> wrote:
>
> > Hi,
> >
> > I am having a problem with packet loss and I hope you can help me out.
> > When we increase the number of flows, PPM value must increase. I observed
> > this behavior to some point, but after that PPM value reduces. Below you
> > find the description of application, workload, and observations.
> >
> > *Application*
> > I have a server-client application, a single server, and single client.
> > Both machines are using multiple queues to send or receive packets.
> >
> >
> > *Workload*
> > I'm running dpdk with fixed PPS value i.e 2 Mpps.
> > I'm increasing the number of flows to see the impact on PPM value.
> > I'm changing UDP port range to generate the number of flows.
> >
> >
> > *Observations*
> > Target MPPS Flows PPM
> > 2 2 100
> > 2 100 670
> > 2 1000 3136
> > 2 5000 265878
> > 2 10000 106316
> > *I was expecting PPM value to rise for 10K flows, but its value reduces.*
> > Please share your suggestions.
> >
> > Regards
> > Dheeraj Dang
>
> What DPDK version? What OS? What hardware?
> Did you look at xstats in DPDK?
>
prev parent reply other threads:[~2019-09-26 9:43 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-26 4:40 Dheeraj Dang
2019-09-26 5:17 ` Stephen Hemminger
2019-09-26 9:42 ` Dheeraj Dang [this message]
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