[dpdk-dev] DPDK - VIRTIO performance problems

Matthew Hall mhall at mhcomputing.net
Sun Oct 12 15:17:38 CEST 2014


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.


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