On Sun, 19 May 2013, William Herrin wrote:
On Sat, May 18, 2013 at 11:39 AM, Nick Khamis <sym...@gmail.com> wrote:
We are transmitting an average of 700Mbps with packet sizes upwards of
900-1000 bytes when the traffic graph begins to flatten. We also start
experiencing some crashes at that point, and not have been able to
pinpoint that either.
Hi Nick,
You're done. You can buy more recent server hardware and get another
small bump. You may be able to tweak interrupt rates from the NICs as
well, trading latency for throughput. But basically you're done:
you've hit the upper bound of what slow-path (not hardware assisted)
networking can currently do.
Options:
1. Buy equipment with a hardware fast path, such as the higher end
Juniper and Cisco routers.
I think you've misinterpreted his numbers. He's using 1gb ethernet
interfaces, so that's 700 mbit/s. He didn't mention if he'd done any IP
stack tuning, or what sort of crashes he's having...but people have been
doing higher bandwith than this on Linux for years.
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Jon Lewis, MCP :) | I route
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