Ranked in these QuestionsQuestion Ranking
Pro Free and open source
Graylog2 is licensed under GNU GPL v3.
Pro Easy setup
Information and statistics displayed update in real time.
Pro Great interface
Easy to overview, intuitive and full of explainers.
Pro Server-side functionality can be extended via plug-ins
Pro Works well with just about any type of logging
Pro Little maintenance
Pro Streams allow identifying events in real-time and perform actions
Stream allow filtering events in real time and perform action such as issue alerts or forward messages.
Con Self hosted. Difficult to maintain.
Maintenance is very difficult because of the high volume nature of logs.
Con Limited logging protocols support
Graylog2 only has support for syslog and GELF.
Con Interface is hard to use
The interface is hard to use, loaded with data, and difficult to understand.