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Munin Plugins for MongoDB


  • mongo_collcount : Count of documents in multible collections per db
  • mongo_collsize : Index, storage and data size per collection
  • mongo_indexsize : Index sizes of all collections in a db


  • pymongo 2.0+
  • MongoDB 1.4+


Follow the following steps to install these plugins on your munin-node

  • Copy mongo_collcount and mongo_indexsize into /etc/munin/plugins
  • Copy the wildcard plugin mongo_collsize to /etc/munin/plugins/mongo_collsize_<your collection>, where <your collection> means the name of the collection you want to monitor, this is case sensetive!

  • Edit /etc/munin/plugin-conf.d/plugins, and add the following:

    user nobody
    env.HOST <mongodbs ip>
    env.PORT 27017
    env.DB <the database you want to monitor>
  • At last restart munin-node:

    sudo /etc/init.d/munin-node restart