When comparing Flume vs Scribe, the Slant community recommends Scribe for most people. In the question“What are the best log management, aggregation & monitoring tools?” Scribe is ranked 13th while Flume is ranked 14th. The most important reason people chose Scribe is:
Scribe uses Thrift for its protocol encoding so it's compatible with pretty much any language you want to use with it.
Specs
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Pros
Pro Flume is transactional (no lost when duplicating streams), and can be backuped by Kafka
Pro Hadoop integration
Flume was created to efficiently move log data to Apache Hadoop's HDFS.
Pro Free and open source
Licensed under Apache 2.0.
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.
Cons
Con Hard to manage
Since Flume cannot do multiplex connections, it's extremely hard to manage. It's essentially one socket per log type.
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.