This screen capture of the Hadoop Map/Reduce Administration interface shows the following from left to right and from top to bottom:

Hadoop Map/Reduce Administration

A drop-down box named Quick Links in the upper right corner displays these choices: Scheduling Info, Running Jobs, Retired Jobs, Local Logs.

State: RUNNING

Started: Mon Oct 22 08:40:59 PDT 2012

Version: 2.0.0-mr1-cdh4.1.0, Unknown

Compiled: Sat Sep 29 11:58:46 PDT 2012

Identifier: 201210220840

Cluster Summary (Heap Size is 205.44 MB/3.56 GB

A table runs horizontally with these headings and values from left to right:

Running Map Tasks: 0

Running Reduce Tasks: 0

Total Submissions: 74

Nodes: 6

Occupied map Slots: 0

Occupied Reduce Slots: 0

Reserved Map Slots: 0

Reserved Reduce Slots: 0

Map Task Capacity: 132

Reduce Task Capacity: 144

Avg Tasks/Node: 46.00

Blacklisted Nodes: 0

Excluded Nodes: 0

Scheduling Information: This table runs horizontally with these headings and values:

Queue Name: default

State: running

Scheduling Information: N/A

Filter (Jobid, Priority, User, Name) with empty text box

Example: 'user:smith 3200' will filter by 'smith' only in the user field and '3200' in all fields

Running Jobs: none