How to monitor logstash itself?

[magnusbaeck (Magnus Bäck)]

The following discussion from a day or two ago might be helpful. If not, please be more specific in what you're after.

How to get alerts for logstash failures of plugins / input / filters?

Inside logstash, what is the official mechanism to know about any critical errors that happen with plugins / inputs / filters during the production run? For example, I am using http_poller input and elastic output. Say, if for some reason the http_poller is unable to read the input properly from the url or elastic unable to save the output - is there anyway I can configure logstash to send me alert mails ? Generating debug / stdout errors to console would not help in backend systems case - rig…