When comparing Loggly vs Graylog2, the Slant community recommends Loggly for most people. In the question“What are the best log management, aggregation & monitoring tools?” Loggly is ranked 6th while Graylog2 is ranked 7th. The most important reason people chose Loggly is:
[Unlike Airbrake](https://github.com/airbrake/airbrake-js/issues/82), you don't have to add try/catch blocks to automatically capture JavaScript errors.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Automatically captures JavaScript errors
Unlike Airbrake, you don't have to add try/catch blocks to automatically capture JavaScript errors.
Pro Hosted on a CDN already
Unlike Airbrake or LogEntries, you can download the library from GitHub and concatenate/minify it along with your other JS, or you can use it directly from Loggly's CDN.
Pro Supports raw text, syslogs, and JSON
Raw text, syslogs, and JSON can be fed to Loggly.
Pro Easy to set up
You only have to set up a HTTP JSON input and there are community examples to guide you.
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 Expensive
Loggly QUICKLY overflows the 200mb daily free allowance.
Con Difficult to setup
Setup is not easy, the whole process is disjointed, with open source libraries that regularly change and out of date installation instructions.
Con The UI is confusing
The UI is very difficult to use, but it does offer a lot of features.
Con Timestamps are in UTC in the UI, and can't be converted
Loggly shows all timestamps in UTC, and the bookmarklet that's supposed to convert them to local time doesn't work.
Con JavaScript tracker has removed tag support
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.