Hadoop - Daemons / Process / Services

1 - About

Hadoop process

2 - List

Common:

  • Key management server

Hdfs:

  • Namenode – on the head node
  • Datanode – on the worker nodes
  • Rest API:
    • HDFS - HttpFS (Rest Api)
    • HDFS - WebHDFS (Rest API)

Yarn:

3 - Management

3.1 - Log

Hadoop - hadoop client utility


hadoop daemonlog

See doc


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