When comparing logFaces vs Graylog2, the Slant community recommends Graylog2 for most people. In the question“What are the best log management, aggregation & monitoring tools?” Graylog2 is ranked 7th while logFaces is ranked 34th. The most important reason people chose Graylog2 is:
Graylog2 is licensed under GNU GPL v3.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Comes with its own very rich desktop application
Pro Fast support
Been using it for years. Never had a problem that could not be solved with a quick email. Support very fast and to the point.
Pro Own your log data
Logs never leave your premises unless you want them to.
Pro Allows extremely fast and flexible queries
Pro Free and open source
Graylog2 is licensed under GNU GPL v3.
Pro Easy setup
Graylog2 can be quickly installed on any Linux machine running Java 7 via an executable that allows installing and configuring remote dependencies and graylog2 itself via a web interface.
Pro Real-time
Information and statistics displayed update in real time.
Pro Great interface
Easy to overview, intuitive and full of explainers.
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.
Pro Server-side functionality can be extended via plug-ins
Pro Works well with just about any type of logging
Cons
Con Requires Java
Con No free version
Con Limited logging protocols support
Graylog2 only has support for syslog and GELF.
Con Self hosted. Difficult to maintain.
Maintenance is very difficult because of the high volume nature of logs.
Con Slow
Takes multiple servers even for smaller deployments
Con Interface is hard to use
The interface is hard to use, loaded with data, and difficult to understand.