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From yipeng <yip...@gmail.com>
Subject Inconsistent times in Hadoop web interface
Date Mon, 27 Dec 2010 05:14:33 GMT
Hi guys,

I am having some inconsistent timing in the web interface. The job finish
time as below is 47 secs but the Map & Reduce took significantly longer. I
don't think I did anything that could have caused this. Any ideas what might
have?

Hadoop Job job_201012271216_0002 on History Viewer
User: yipeng
JobName: Identity Job
JobConf:
hdfs://compg0:54310/temp/hadoop-yipeng/mapred/system/job_201012271216_0002/job.xml
Submitted At: 27-Dec-2010 12:35:51
Launched At: 27-Dec-2010 12:35:52 (0sec)
Finished At: 27-Dec-2010 12:36:39 (*47sec*)
Status: SUCCESS
Analyse This Job
Kind Total Tasks(successful+failed+killed) Successful tasks Failed tasks Killed
tasks Start Time Finish Time
Setup 1 1 0 0 27-Dec-2010 12:34:35 27-Dec-2010 12:34:36 (1sec)
Map 18 18 0 0 27-Dec-2010 12:34:39 27-Dec-2010 12:36:32 (*1mins, 53sec*)
Reduce 18 18 0 0 27-Dec-2010 12:34:48 27-Dec-2010 12:36:52 (*2mins, 4sec*)
Cleanup 1 1 0 0 27-Dec-2010 12:36:55 27-Dec-2010 12:36:56 (1sec)

Cheers,

Yipeng

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