Databases Reference
In-Depth Information
Figure 2.5
A snapshot of the MapReduce web interface. This tool allows you to monitor active
MapReduce jobs and access the logs of each map and reduce task. The logs of previously submitted
jobs are also available and are useful for debugging your programs.
Figure 2.6
Configuration details for a specific MapReduce job. This information is potentially useful
when tuning parameters to optimize the performance of your programs.
