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A plug-in backend for StatsD providing support for writing statistics to Ganglia - Github mirror - our actual code is hosted with Gerrit (please see https://www.mediawiki.org/wiki/Developer_access for contributing)

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Ganglia backend for StatsD

ganglia.js is a plug-in for Etsy's StatsD that provides support for writing statistics to Ganglia, a distributed monitoring system for clusters and grids.

Prerequisites

Configuration

Place ganglia.js in StatsD's backends directory (most likely /usr/share/statsd/backends). Then edit /etc/statsd/localConfig.js and add a reference to the "backends" configuration key. For example:

{ "backends": [ "./graphite", "./ganglia" ] }

The following configuration options are available:

{
  "gangliaHost": "localhost",  // Hostname of Ganglia server (required)
  "gangliaPort": 8649,         // UDP port of Ganglia server (default: 8649)
  "gangliaMulticast": false,   // Use multicast? (default: no)
  "gangliaSpoofHost": "slave", // Associate metrics w/this hostname (default: unset)
  "gangliaGroup": "statsd",    // Default metric group name (default: 'statsd')
  "gangliaFilters": [],        // Array of module paths (see below)
}

Metric filters

If you want to choose which metrics get sent to Ganglia, you may set the "gangliaFilters" configuration to an array of module paths. Each module should export a "filter" function which takes a metric object. The function may modify the metric object or return false to exclude it from Ganglia reporting. For example:

exports.filter = function ( metric ) {
    // Exclude counters from Ganglia reporting.
    return /count/.test( metric.name ) ? false : metric;
};

License & copyright

Copyright (c) 2013 Wikimedia Foundation info@wikimedia.org

Copyright (c) 2013 Ori Livneh ori@wikimedia.org

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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A plug-in backend for StatsD providing support for writing statistics to Ganglia - Github mirror - our actual code is hosted with Gerrit (please see https://www.mediawiki.org/wiki/Developer_access for contributing)

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