MapR 5.1 is at End of Life (EOL) and no longer supported. Please see the latest documentation. This documentation is not being updated.

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5.1 Administration
This section contains administration information such as managing your cluster, data, users, jobs and security information such as configuring your security environment and auditing.
Administrator Guide
Managing the Cluster
Managing Roles and Services
TaskTracker Blacklisting
Blacklisting a TaskTracker Manually

MapR 5.1 Documentation

Blacklisting a TaskTracker Manually

Procedure

To blacklist a TaskTracker manually, run the following command as the administrative user:

hadoop job -blacklist-tracker <hostname>

Manually blacklisting a TaskTracker prevents additional tasks from being scheduled on the TaskTracker. Any currently running tasks are allowed to finish.