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Apache Hadoop 2.4.0 released with operational improvements

Hadoop 2.4.0 continues that momentum, with additional enhancements to both HDFS & YARN:

  • Support for Access Control Lists in HDFS
  • Native support for Rolling Upgrades in HDFS
  • Smooth operational upgrades with protocol buffers for HDFS FSImage
  • Full HTTPS support for HDFS
  • Support for Automatic Failover of the YARN ResourceManager (a.k.a Phase 1 of YARN ResourceManager High Availability)
  • Enhanced support for new applications on YARN with Application History Server and Application Timeline Server
  • Support for strong SLAs in YARN CapacityScheduler via Preemption

Original title and link: Apache Hadoop 2.4.0 released with operational improvements (NoSQL database©myNoSQL)

via: http://hortonworks.com/blog/apache-hadoop-2-4-0-released/