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Latest commit 88e3b50 Nov 12, 2014 @fsvehla Merge pull request #2 from undead-osiris/pull_request
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README.md

Redis Munin

A set of munin scripts to monitor redis

Installation

  1. copy the file in /usr/share/munin/plugins/

  2. make a link with the parameters you want in /etc/munin/plugins/

     ln -s /usr/share/munin/plugins/redis_memory_ /etc/munin/plugins/redis_memory_127_0_0_1_6379
    
  3. make sure there's a gem redis available for munin user

     su -s /bin/bash munin
     gem list
    

    if redis is not available install it with:

     gem install redis
    

Usage

Parameters

The parameters are in the filename in the format _IP_PORT, where IP is the 4 part ipv4 separated by '_'. They can also be set in YAML via a file in the munin plugin-conf.d named redis.conf.

Password

Set your redis password :password => "your_password", in /usr/share/munin/plugins/redis_*

Valid link name

Note the ending '_' when no ip or port or when not using a config file:

  • redis_command_
  • redis_command_1_2_3_4_
  • redis_command_1_2_3_4_port

ip will default to 127.0.0.1

port will default to 6379

Scripts

  • redis_change_since_last_save_

    Number of changes since last save

  • redis_databases_

    List all DBs with number of keys and expire

  • redis_memory_

    Used memory

  • redis_total_commands_

    Total commands

  • redis_total_connections_

    Total connections

  • redis_users_

    Current clients

  • resque_failed_

    COUNTER for failures

    Need resque-web

    TODO use driver or netcat or telnet

  • resque_workers_

    % of working workers

    Need resque-web

    TODO use driver or netcat or telnet

  • resque_queues_

    COUNTER for in / out jobs per queue. This ones needs some hooks to create the stats:

      def self.after_enqueue(*job_args)
          Resque::Stat.incr(@queue.to_s + ":pushed")
      end
    
      def self.after_perform(*job_args)
          Resque::Stat.incr(@queue.to_s + ":finished")
      end
    

    https://github.com/defunkt/resque/blob/master/docs/HOOKS.md

Changelog

  • added keyspace hit/miss statistics (** Christian Parpart trapni@gentoo.org **)
  • fixed redis_databases_ labels (thanks japerk)