Fluentd is an open source data collector designed for processing data streams.
Ranked in these QuestionsQuestion Ranking
Pro Logs everything in JSON
Gives structure to unstructured logs.
Pro Logs stored to FS buffer while network is down
Logs aren't lost due to network issues
Pro In-stream processing
With a list of 150+ plugins, Fluentd can perform all kinds of in-stream data processing tasks.
Pro Huge plugin ecosystem
Fluentd has a plugin ecosystem that has resulted in developers creating over 150 plugins for the service.
Pro Prioritizes simplicity and robustness
For example, inputs and outputs have built-in support for buffering, load-balancing, timeouts and retries so to be able to deliver data reliably.
Pro Free and open source
Licensed under Apache 2.0.
Pro Routing based on tags
Pro Exponential retry wait
Pro Copy to multiple storages
Pro Based on CRuby
Con Difficult to setup
Requires a significant time investment to get up and running.
Con Does not run on Windows
No Windows version is available.