log munin

[freshorange]

My /var/log/munin folder files are getting quite large, how to rotate the log?

-rw-r--r-- 1 munin munin 284791243 Feb 25 11:10 munin-graph.log
-rw-r--r-- 1 munin munin 223555130 Feb 25 11:10 munin-html.log
-rw-r--r-- 1 munin munin 35569740 Feb 25 11:10 munin-limits.log
-rw-r--r-- 1 root wheel 43766483 Feb 25 11:10 munin-node.log
-rw-r--r-- 1 munin munin 830450121 Feb 25 11:10 munin-update.log

need your advice

thank you