Re: SSL encryption makes bytea transfer slow

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От Albe Laurenz
Тема Re: SSL encryption makes bytea transfer slow
Дата
Msg-id D960CB61B694CF459DCFB4B0128514C20713EBB0@exadv11.host.magwien.gv.at
обсуждение исходный текст
Ответ на Re: SSL encryption makes bytea transfer slow  (Marti Raudsepp <marti@juffo.org>)
Ответы Re: SSL encryption makes bytea transfer slow  (Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>)
Список pgsql-performance
Marti Raudsepp wrote:
>> Disabling OpenSSL compression in the source (which
>> is possible since OpenSSL 1.0.0) does not give me any performance
>> improvement.
> 
> If it doesn't give you any performance improvement then you haven't
> disabled compression. Modern CPUs can easily saturate 1 GbitE with
> AES256-encrypted connections. Compression is usually the bottleneck,
> at 20-30 MB/s.

Hmm, my knowledge of OpenSSL is so little that it is well possible that
I did it wrong. I have attached the small patch I used; can you see
where I went wrong?

Yours,
Laurenz Albe

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