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Add to SafariWhen comparing Flume vs Rocana, the Slant community recommends Flume for most people. In the question“What are the best log management, aggregation & monitoring tools?” Flume is ranked 14th while Rocana is ranked 15th.
Specs
Question Ranking
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 Great "out-of-the-box" analytics
Beyond simple rules-based alerting, Rocana Ops creates statistical models for each of the metrics you want to track and evaluates as data streams in to provide nearly instantaneous feedback on how your systems are performing. Unique WARN (Weighted Analytic Risk Notifications) Scores indicate components that are trending to the good or bad. Users can create custom metrics, which get evaluated just the same as "out-of-the-box" metrics.
Pro Highly scalable
Collect and analyze multiple TBs of data per day, built on Hadoop components Rocana Ops is a highly-distributed system offering massive scalability using commodity hardware. Rocana has customers collecting 10+ TBs of log data per day.
Rocana One free option provides up to 1TB of daily data volume for free.
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 Expensive
Appears to be an expensive solution.
Con Doesn't run on a laptop
Well, maybe you can squeeze Rocana Ops on a laptop, but it is designed as a highly-distributed, fault-tolerant system and requires a Hadoop distro as the underlying platform.
