OpenSSL v3 performance regressions

From: Adrien Nayrat <adrien(dot)nayrat(at)anayrat(dot)info>
To: PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: OpenSSL v3 performance regressions
Date: 2023-09-26 08:36:22
Message-ID: a1bdc431-2119-4c81-baaa-d1ac1b32e68b@anayrat.info
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Hello,

I read this article from Haproxy, they noticed OpenSSL v3 has huge
performance regressions :
https://github.com/haproxy/wiki/wiki/SSL-Libraries-Support-Status#openssl

This is a known issue :
https://github.com/openssl/openssl/issues/17627#issuecomment-1060123659

Unfortunately, v3 is shipped with many distributions (Debian, Redhat,
Rockylinux...) : https://pkgs.org/search/?q=openssl

I am afraid of users will face performance issues once they update their
distro.

Does someone already encounter problems? Should Postgres support
alternative SSL libraries has HAProxy?

Regards,

--
Adrien NAYRAT

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