[Dovecot] interesting stats pattern
Cor Bosman
cor at xs4all.nl
Tue May 29 13:23:42 EEST 2012
Hey all, im experimenting with dovecot stats service, and graphing the result. My initial results are kind of interesting. Check out this graph showing connected sessions and users:
http://grab.by/dReu
At first I thought maybe one of our 35 imap servers was having issues sending data, but all individual servers show this patters. Here is a bunch of individual servers:
http://grab.by/dReC
Anyone have any idea what could cause such a pattern? Maybe dovecot does some cleaning up of idle sessions at specific intervals? Or maybe our loadbalancers do, or the imapdirectors.
regards,
Cor
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