>> Oh btw, I've just made a new test with haproxy-1.5-dev12 and the
>> performance is here again : around 500 req/s with "nbproc 1" and 1200
>> req/s with "nbproc 8".
>
> OK. Its possible that we did something wrong in one version. I know that
> Emeric does a lot of performance tests, but it is always possible that I
> break something each time I touch the lower layers.
>
> If you observe anything suspect again, do not hesitate to report it.
>
> The difference you're talking about could also be caused by too low a
> cache size, causing constant rekeying.
>
> Cheers,
> Willy
>
>


Hi Cyril, Willy,

There are a few parameter which may impact SSL performance:
- the version of openssl library
- the SSL/TLS version protocol in use
- the cypher used

cheers

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