[Dovecot] director monitoring?

[Jan-Frode Myklebust]

On Thu, Jun 02, 2011 at 12:29:10PM -0700, Kelsey Cummings wrote:
> I'm using a hacked up version of poolmon.  The only important changes
> are that it actually logs into the real server rather than just making a
> connection to it and that has heuristics to prevent the real servers
> from flapping and added a timeout to scan_host so if a real server
> blocks after the connection is established it won't hang indefinitely.

Could you share your hacks ? :-)

We're often seeing poolmon not noticing when our backend servers are
hanging on busy filesystem. They're probably to busy to complete a login,
but not busy enough to fail a connect, so a poolmon that does a full login
sounds interesting.



  -jf