Messages in this thread | | | From | John Heffner <> | Subject | Re: Possible BUG in IPv4 TCP window handling, all recent 2.4.x/2.6.x kernels | Date | Fri, 2 Sep 2005 10:10:18 -0400 |
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On Sep 2, 2005, at 10:05 AM, lists@limebrokerage.com wrote:
> This particular Win2k sender sends _only_ real-time data, it's not > capable of rewinding. So it's always sending small packets, from start > to finish, yet the problem still occurs. > > Note that even real-time data can end up generating a stream of > full-size packets occassionally. It's just very unlikely they would > occur at the start of the flow, as market data is very thin in the > pre-market open hours.
The rcv_ssthresh growth can actually take place anywhere in the flow, not just at the beginning.
>> But, that window clamping should fix the problem, as we recalculate >> the window to advertise. > > Patches for testing are very much welcome...
Have you tried increasing the size of the receive buffer yet?
-John
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