[Bug 189616] Re: [SRU] connection problems under load with hardy dovecot

[Chuck Short]

Due to a change in ssl handling in dovecot between hardy and dapper. The
default configuration in dovecot can prevent server loads to rise and
become non-responsive when using dovecot. In dapper the
login_max_processes_count was not being enforced, however in hardy it
is. The attached patch displays in the error log that max login count
has been reached, it also puts a comment in the dovecot example
configuration file.

Testcase (Should be done in a virtual machine)

1.  Install dovecot.
2. Configure ssl with dovecot
3. Run the create users script.
4. Set the login_max_process_count option to 4.
5. Run the client login script.


** Attachment added: "Patch that informs the user of the change"
   http://launchpadlibrarian.net/14516330/login-max-processes-count-warning.dpatch

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[SRU] connection problems under load with hardy dovecot
https://bugs.launchpad.net/bugs/189616
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