When comparing Scribe vs Fluentd, the Slant community recommends Fluentd for most people. In the question“What are the best log management, aggregation & monitoring tools?” Fluentd is ranked 4th while Scribe is ranked 13th. The most important reason people chose Fluentd is:
Gives structure to unstructured logs.
Specs
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Pros
Pro Works with pretty much any language
Scribe uses Thrift for its protocol encoding so it's compatible with pretty much any language you want to use with it.
Pro Free and open source
Licensed under the Apache 2.0.
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
Cons
Con No longer supported
Scribe has been abandoned and is no longer supported by Facebook. This means that it's no longer possible to submit pull requests or to open issues.
Con Difficult to setup
Requires a significant time investment to get up and running.