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Date: Sun, 12 Oct 2014 06:17:38 -0700
From: Matthew Hall <mhall@mhcomputing.net>
To: Yan Freedland <YanF@Radware.com>
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Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] DPDK - VIRTIO performance problems
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On Sun, Oct 12, 2014 at 12:37:37PM +0000, Yan Freedland wrote:
> Every ~2min traffic stopped completely and then immediately came back. This 
> happened in a periodic fashion.

To me it sounds like it could be similar to what I've seen when I ran out of 
mbuf's or ran out of RX / TX descriptor entries. It could be worth checking 
the error counters on the interfaces with DPDK and Linux OS / ethtool to see 
what might be incrementing during the failed time periods.

Matthew.