Isn't the recent kernels do autotuning for tcp buffer sizes ?
http://fasterdata.es.net/host-tuning/background/#t1

The max size still can be usefull but we need to see it with real tests



On Thu, Oct 17, 2013 at 10:40 AM, Alex Peshkoff <[email protected]> wrote:
> On 10/16/13 19:04, Dimitry Sibiryakov wrote:
>> 16.10.2013 17:01, Leyne, Sean wrote:
>>> Is this buffer size setting configurable thru a connection/API setting?
>>     AFAIK, no.
>>
>
> It's possible to make it configurable in FB3 at the client side. At the
> server side we must first allocate some buffer to be able to know
> something from that connection.
> If we find out that this setting does give some serious effect - even at
> server side we can realloc that buffer, but before doing this let's find
> a case when increasing buffer size is really useful. And let's also not
> forget that making buffer too big at server with that size controllable
> by connection is not good from security POV.
>
>
>
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