Dovecot Director upgrade from 2.2 to 2.3

[Timo Sirainen]

On 22 Jul 2019, at 17.45, Alessio Cecchi <alessio at skye.it> wrote:
> 
> one server of the ring is now running Dovecot 2.3.7 and works fine with the others Dovecot 2.2 since 3 days.
> I notice only that the load avarage of this CentOS 7 server is higher compared with CentOS 6 and Dovecot 2.2, but I don't know if is related to the new operating system or Dovecot (hardware is the same).
> 
How much higher? Can you check the individual dovecot processes' CPU usage? I guess mainly director, imap-login and pop3-login. The director code should be pretty much the same though.

The SSL code in login processes changed in v2.3, so I wonder if the new code has some performance issues.

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