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
via NoSQL databases
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