Re: TCP connection issues against Amazon S3

From: Erik Grinaker
Date: Wed Jan 07 2015 - 08:06:47 EST


On 07 Jan 2015, at 01:23, Lukas Tribus <luky-37@xxxxxxxxxxx> wrote:
>> This still doesn’t explain why it works with older kernels, but not newer ones.
>
> Can you try the different 3.12-rc kernels? The information that this was
> introduced in 3.12-rc1 as opposed to a specific -rc>1 releases may help
> the guys here to pinpoint what exactly caused the behavior change on the
> receiver side.

I can reproduce the problem with 3.12.0-rc1 as well.

I also tried 3.11.10 again, to make sure it did not have the problem even when forcing requests to a non-SACK-enabled loadbalancer, and it works as it should (no hung connections).


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