collectd-mcrouter

A collectd plugin that collects metrics from Mcrouter stats file. It runs under collectd Python plugin.

McRouter automatically creates and updates several files useful to monitor it's state, which is by default created under /var/mcrouter/stats. More information on stats list here.

Requirements

Software	version
Collectd	4.9 or later (for the python plugin)
Python	2.6 or later

Install

1. Copy mcrouter_stats.py somewhere accessible by collectd, e.g /usr/share/collectd/collectd-mcrouter.
2. Create a collectd configuration file (e.g mcrouter_stats.conf) for the plugin preferably in /etc/collectd/managed_config/ (see the example below).
3. Restart collectd.

Sample configuration

<LoadPlugin python>
        Globals true
</LoadPlugin>

<Plugin python>
        # mcrouter_stats.py is at "/usr/share/collectd/collectd-mcrouter/mcrouter_stats.py"
        ModulePath "/usr/share/collectd/collectd-mcrouter"
        Interactive false
        Import "mcrouter_stats"
        <Module "mcrouter_stats">
                Port <mcrouter_port_number>
                # McRouter exposes metrics in "/var/mcrouter/stats"
                DataDir "/path/to/mcrouter/stats/file"
        </Module>
</Plugin>

Dashboard

• Gets per second

• Sets since process start