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CHANGELOG.md

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0.2.0 (unreleased)

BACKWARDS INCOMPATIBILITIES

  • Use Java 7 instead of Java 6.

IMPROVEMENTS

  • Use Kafka 0.8.2.2.
  • Use Storm 0.9.6. This includes two notable improvements:
    • We can and do use the Kafka 0.8 compatible Kafka spout included in Storm 0.9.2+.
    • We use ZooKeeper 3.4.5, up from 3.3.x before.
  • Use Spark 1.1.1.
  • Add Spark Streaming example, which reads from Kafka and writes to Kafka. The streaming job is fucntionally equivalent to the test topologies in KafkaStormSpec.
  • AvroKafkaSinkBolt should not declare any output fields because it writes to Kafka only, it does not emit any tuples.
  • Reduce logging output when running tests to minimize distraction and confusion.
  • Disable ZooKeeper reconnection attempts in the test topology of KafkaStormSpec to prevent the Kafka spout from logging ZooKeeper connection errors.
  • Improve and consolidate the setup we use to lauch in-memory Kafka and ZooKeeper clusters during testing.
  • Add startup() and shutdown() methods to Kafka consumer apps to improve lifecycle management.
  • Kafka producer apps have more granular control to which topics messages are being sent.

BUG FIXES

  • Do not provide multiple logging bindings during run (thanks viktortnk) [GH-3]

0.1.0 (May 27, 2014)

  • Initial release. Integrates Kafka 0.8.1.1 with Storm 0.9.1-incubating.