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