HDFS (HaDoop File System)

HDFS is one of utils that included at Hadoop framework.

• HDFS knows to handle large file (Ex. 1ptb) and split it to Data blocks and distrebute it over Cluster.
• HDFS has Fault tolerance - HDFS replicate same Data block on X Data nodes. X is Replication factor

• dfsadmin
• fs shell
• Web-UIs

• Name node
• Secundery name node
• Data node