Data Input

Listener

The Listener only supports udp input.
There is no kind of auth / verification. Anything received is processed.

Data Types

frequency

• freq is for frequency of events, measures events / sec.
• useful for measuring failure rates, or hits / sec.
• echo my_event_keyword > /dev/udp/127.0.0.1/9876

gauge

• Gauge is any fluctuating value.
• useful for graphing fluctuating values, eg sysload.
• echo my_gauge_keyword {value} > /dev/udp/127.0.0.1/9876

counter

• counter is any incrementing value, measures rate of change / sec.
• useful for graphing network usage.
• echo my_counter_keyword {value} COUNTER > /dev/udp/127.0.0.1/9876

sum

• sum is sum of received values / sec.
• useful for graphing web server traffic.
• echo my_sum_keyword {value} SUM > /dev/udp/127.0.0.1/9876

events

• eventmarker marks graphs with a little red arrow
• echo eventmarker updated service > /dev/udp/127.0.0.1/9876
• echo eventmarker {timestamp} this is when something occured > /dev/udp/127.0.0.1/9876