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Apache BookKeeper

The Apache BookKeeper subproject of ZooKeeper is made up of two major components:

  1. A distributed logging service called BookKeeper.
  2. A distributed topic based publish/subscribe service called HedWig.

We have implemented a JournalManager for Hadoop HDFS which allows you to run a high availability cluster using BookKeeper as shared storage. Details on this can be found in HDFS BookKeeperJournalManager.

Roadmap for work.

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