--- /usr/share/munin/munin-graph	2015-11-28 00:45:25.274878597 +0100
+++ /usr/share/munin/munin-graph	2015-11-28 00:45:44.622466044 +0100
@@ -73,6 +73,7 @@
 
 logger_open($config->{'logdir'});
 logger_debug() if $config->{debug} or defined($ENV{CGI_DEBUG});
+logger_level("warn");
 
 if (! graph_check_cron() ) {
 	# Should not be launched from cron.