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Hadoop Ecosystem - Coggle Diagram

- - - - Velocity
        
        Veracity
  - - - Statistics
    - - Crunching
    - - Engineering
  - - - Process
        
        Big Data
    - - Apache
    - - HDFS
        
        Storage
        
        Cluster
      - YARN
        
        Resources
      - Applications
        
        MapReduce
        
        HIve
        
        Spark
    - - Nodes
        
        Worker
        
        Proccessing
        
        Horizontal Scaling
        
        Master
        
        Virtualized
    - - Apache
        
        Open Source
        
        Free
        
        Community Support
      - Hortonworks
        
        Open Source
      - Cloudera
      - MapR
        
        Expensive
- - - - Metadata
      - Heartbeat + Block Report
        
        From
        
        Data Node
    - - Split 120MB
        
        Copied
        
        3 times
        
        Acknowledgement
    - - file
        
        hadoop fs -put <full_path_file> <file_after_import>
  - - - In
        
        Data Node
      - Parallelized
    - - Key : Value
      - Shuffle & Sort
        
        Reduce