Munin is tool for collecting various information from system and showing them in charts. Spectrum 2 contains munin plugin which can be used to generate useful charts in Munin.

h2. Configuration

There's Munin plugin installed in by default in @/usr/share/munin/plugins/spectrum2_@. You have to create symlinks pointing to that files in @/etc/munin/plugins@ name like this:

|_. Symlink name |_. Meaning |
| @spectrum2_uptime@ | Uptime |
| @spectrum2_backends_count@ | Backends count |
| @spectrum2_crashed_backends_count@ | Crashed backends count |
| @spectrum2_online@ | Online users count |
| @spectrum2_messages@ | Total messages send over spectrum since the last restart |
| @spectrum2_messages_sec@ | Messages send per second over spectrum transports |
| @spectrum2_memory@ | Memory usage of transports |
| @spectrum2_average_memory_per_user@ | Average memory usage of per user |