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- Building a Strava dashboard on a Raspberry Pi with an e-ink display
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Tag Archives: ZooKeeper
Hadoop High Availability In A Hurry – Part 2: YARN
If you don’t know a lot about YARN and why it’s called a data operating system, you’re in luck. I found it necessary to explain how YARN works before I could explain the solutions for high availability. At first YARN … Continue reading
Posted in Apache Products for Outsiders
Tagged Application Master, Container, Hadoop, Node Manager, Resource Manager, YARN, ZooKeeper
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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
Tagged DataNode, edits file, Fencing, fsimage, Hadoop, HDFS, High availability, JournalNode, NameNode, Split brain, ZKFC, ZooKeeper
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