fluent-plugin-free

Input plugin for fluentd to collect memory usage from 'free' command.

'free' command shows system memory usage. This plugin collect values from the command , and input is into fluentd.

Add this line to your application's Gemfile:

gem 'fluent-plugin-free'

And then execute:

$ bundle

Or install it yourself as:

$ gem install fluent-plugin-free

To get memory usage in MegaByte :

<source>
  type free
  unit mega     # size unit, 'byte', 'kilo', 'mega', 'giga'
  mode actual   # 'actual' mode incldue 'buffers' and 'cache' in 'free' size.
  interval 5    # seconds, you can also use 10s, 20m, 10h
  tag memory.free
</source>

And you will get like this :

2014-06-28T10:46:04+09:00   memory.free {"used":"1553","free":"441"}
2014-06-28T10:46:09+09:00   memory.free {"used":"1553","free":"441"}

• unit

  The unit of memory usage value. You can choose one of 'byte', 'kilo', 'mega' or 'giga'. Default is 'mega'

• mode

  If you specify 'actual' in the option,the value you get includes 'buffers' and 'cached'.The value in 'mode actual' shows the memory size you can really use.Default is nil.

• interval

  The interval time to collect value. Numerical number means seconds, and you can also use 's':seconds, 'm':minutes or 'h':hours. Default is 10 (seconds).

• tag

  The input tag. Default is 'memory.free'

1. Fork it ( https://github.com/zonomasa/fluent-plugin-free/fork )
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create a new Pull Request

Author:: TATEZONO Masaki Copyright:: Copyright (c) 2014 TATEZONO Masaki License:: Apache License, Version 2.0