Database Reference
In-Depth Information
You can also click the
MONITOR
option to have a closer look at the currently active mappers and reducers, as shown
in Figure
3-16
. Again, we will come back to this screen later while running a few map-reduce jobs on the cluster.
Figure 3-16.
Monitoring your cluster
You can also choose to alter the filters and customize the refresh rate for the dashboard, as shown in Figure
3-17
.
Figure 3-17.
Setting the dashboard refresh rate
Configuring the Cluster
If you want to control the Hadoop services running on the name node, you can do that from the
Configuration
tab as
shown in Figure
3-18
.
