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Add to SafariWhen comparing Fluentd vs Rocana, 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 Rocana is ranked 15th. The most important reason people chose Fluentd is:
Gives structure to unstructured logs.
Specs
Question Ranking
Pros
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
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 Difficult to setup
Requires a significant time investment to get up and running.
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.
