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Job Browser

The Job Browser application lets you examine jobs running on your cluster.

Diving into a Job

A MapReduce job, as presented by the Job Browser, has many layers. You start with a list of jobs, then dig down into that job's tasks. Each task may have multiple task attempts. It is often useful, if a job has failed, to examine the "logs" tab of one of the attempts.

Killing Jobs

If you are the user who submitted the job, you can kill the job by hitting the "Stop" icon.

Viewing Metadata and Counters

Job Metadata (like where the inputs and outputs are) and counters are available using the Job Browser.