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Tag Archives: NameNode
Hadoop High Availability In A Hurry – Part 1: HDFS
I’ve been studying for a couple of hours how Hadoop high availability works, for the HDPCA exam. And now I’ve condensed that knowledge to a video on HDFS HA in just under 9 minutes. Enjoy!
Posted in Apache Products for Outsiders, Learning Big Data
Tagged DataNode, edits file, Fencing, fsimage, Hadoop, HDFS, High availability, JournalNode, NameNode, Split brain, ZKFC, ZooKeeper
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