This screen capture of a Job Analyzer report shows the following:

Job Information

Property Value
Job Name inverted_index_pb_jobanalyzer_nobal
Job Id job_2014013010730_2540
Start Time 2014-02-26 16:59:28
Finish Time 2014-02-26 17:00:06
Map Time 00:00:20
Reduce Time 00:00:13
Elapsed Time 00:00:37

Reduce Tasks

TaskID Start Time Finish Time Elapsed Time CPU Time %
 Input Shuffle Bytes %
 Input Keys %
 Input Records %
 Input ValueBytes %
0 16:59:51 17:00:00 00:00:08 00:00:09 12 20,987,702 12 13 13 2,300,118 12 43,702,242 12
1 16:59:51 16:59:58 00:00:07 00:00:07 9 15,630,571 9 12 12 1,438,876 7 27,338,644 7
2 16:59:51 16:59:58 00:00:07 00:00:07 9 14,682,583 8 7 7 1,503,328 8 28,563,232 8
3 16:59:51 16:59:58 00:00:07 00:00:07 9 14,977,081 9 10 10 1,450,603 7 27,561,457 7
4 16:59:51 17:00:00 00:00:08 00:00:08 11 21,175,220 12 11 11 2,073,885 10 39,403,815 10
5 16:59:51 17:00:00 00:00:09 00:00:09 12 19,664,004 11 10 10 2,580,271 13 49,025,149 13
6 16:59:51 16:59:57 00:00:06 00:00:06 7 8,867,408 5 9 9 775,690 4 14,738,110 4
7 16:59:51 16:59:56 00:00:05 00:00:04 6 5,912,478 3 6 6 531,247 3 10,093,693 3
8 16:59:51 17:00:04 00:00:12 00:00:15 18 35,890,632 21 11 11 5,824,950 29 110,674,050 29
9 16:59:51 16:59:59 00:00:07 00:00:07 9 16,252,928 9 11 11 1,521,032 8 28,899,608 8
Total - - - 00:01:22 - 174,040,607 - 100 - 20,000,000 - 380,000,000 -

Reduce Tasks Continued (Additional Columns)

TaskID Output Records %
 Output Bytes %
 %Load Observed
0 1,698,171 12 48,022,186 12 12
1 1,309,838 9 36,424,455 9 7
2 1,220,301 9 33,206,872 9 8
3 1,253,630 9 33,638,187 9 7
4 1,768,698 13 51,191,881 13 10
5 1,497,856 11 40,709,061 11 13
6 740,944 5 20,503,295 5 4
7 494,798 3 13,336,969 3 3
8 2,527,641 18 69,087,868 18 29
9 1,359,917 10 38,889,599 10 8
Total 13,871,794 - 385,010,373 - -

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