Hadoop FAQ

Scope — a reading list for Hadoop: HDFS architecture, a classic interview question list, HA setup and node commissioning. The answers themselves are in the deep dive. See also: ../de/hadoop.md — HDFS, MapReduce, YARN and Hive answered in depth; ./faq_spark_hadoop.md — the Spark / Hadoop interview question bank.

Ref

• Hadoop Architecture

  • https://www.edureka.co/blog/apache-hadoop-hdfs-architecture/

• Top 50 Hadoop interview questions

  • https://www.edureka.co/blog/interview-questions/top-50-hadoop-interview-questions-2016/ - 27

• Set up hadoop cluster with HA (high availability)

  • https://www.edureka.co/blog/how-to-set-up-hadoop-cluster-with-hdfs-high-availability/

• Commissioning and decommissioning nodes in Hadoop clusters (commission (Add) and decommission (Remove) “Data Nodes”)

  • https://www.edureka.co/blog/commissioning-and-decommissioning-nodes-in-a-hadoop-cluster/