Hadoop Common Commands

The below listed commands are very commonly used in Hadoop command line interface.

Hadoop Listing Files

Hadoop Upload/Download Files

Hadoop File Management

Hadoop Reading and Writing Files

Hadoop Namenode Commands

Hadoop fsck Commands

Hadoop Job Commands

Hadoop dfsadmin Commands

Hadoop Safe Mode (Maintenance Mode) Commands

The following dfsadmin commands helps the cluster to enter or leave safe mode, which is also called as maintenance mode. In this mode, Namenode does not accept any changes to the name space, it does not replicate or delete blocks.


Hadoop Configuration Files

Hadoop mradmin Commands


Hadoop Balancer Commands


Hadoop File System Commands

Additional Hadoop File System Commands


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