Please  set


in yarn-site.xml to enable log aggregation.


On Feb 16, 2014 6:15 PM, "EdwardKing" <> wrote:
hadoop 2.2.0, I want to view Tracking UI,so I visit,
then I click History of Completed Job,such as follows:

MapReduce Job job_1392601388579_0001
Attempt Number  Start Time                     Node        Logs
1               Sun Feb 16 17:44:57 PST 2014  master:8042  logs

Then I click logs,but it failed.
Aggregation is not enabled. Try the nodemanager at master:8994

I guess it must a service don't start, which command I need to execute under home/software/hadoop-2.2.0/sbin ?  Thanks.
[hadoop@node1 sbin]$ ls    start-all.cmd    stop-dfs.cmd
hdfs-config.cmd          start-dfs.cmd         stop-yarn.cmd  start-yarn.cmd                stop-all.cmd

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