Managing and Monitoring a Cluster
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Restart all required services

As prompted in Ambari Web, restart all required services whenever you update configuration properties.

When you update service configuration settings in Ambari, Ambari marks the services that require a restart with a prompt similar to this:

To restart all required services:
  1. In Ambari Web, click Services....
  2. Click Restart All Required.

    Apache Oozie requires a restart after an Atlas configuration update, but might not be marked as requiring restart in Ambari. If Oozie is not included, follow these steps to restart Oozie:
    1. In Ambari Web, click Oozie in the services summary pane on the left of the display.
    2. Click Service Actions > Restart All.