bigcouch.log is very noisy - will fill up disk
The /opt/bigcouch/var/log/bigcouch.log is very very chatty and is filling up fast.
We don't have any logrotation in place for this log, we should either do that, or turn down the logging altogether.
(from redmine: created on 2013-08-15, closed on 2013-08-28, relates #5074)