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Maxwell's daemon - A mysql-to-json kafka producer

  •    Java

This is Maxwell's daemon, an application that reads MySQL binlogs and writes row updates to Kafka as JSON. Maxwell has a low operational bar and produces a consistent, easy to ingest stream of updates. It allows you to easily "bolt on" some of the benefits of stream processing systems without going through your entire code base to add (unreliable) instrumentation points.

Fluo - Make incremental updates to large data sets stored in Apache Accumulo

  •    Java

Apache Fluo (incubating) is an open source implementation of Percolator (which populates Google's search index) for Apache Accumulo. Fluo makes it possible to update the results of a large-scale computation, index, or analytic as new data is discovered. When combining new data with existing data, Fluo offers reduced latency when compared to batch processing frameworks (e.g Spark, MapReduce).