logstash-plugins/logstash-input-heartbeat — pull request #1 by untergeek (2014-12-11 20:18:50+00:00)
Title: This is the initial commit

This plugin will allow people to keep track of Logstash availability by sending the output (a string, a counter, or an epoch timestamp) out to some other monitoring entity. The default interval is 60 seconds, but it can be as low as 1 second.