[Dovecot] Degeneration of CPU Performance

[Steffen Kaiser]

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>> login_process_per_connection: no
>> login_process_size: 32
>> login_processes_count: 100
>> login_max_connections: 100

s. http://wiki.dovecot.org/LoginProcess

"The maximum number of users logging in at the same time (+ SSL/TLS 
proxying connections) is login_max_connections * 
login_max_processes_count."

Is it possible you are hitting the "max num of users" boundary? Dovecot 
needs one login process per lifetime of a SSL/TLS connection, too.

Bye,

- -- 
Steffen Kaiser
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