Enable the Fair Scheduler

You can enable Fair Scheduler using Cloudera Manager.

  1. In Cloudera Manager, select the YARN service.
  2. Click the Configuration tab.
  3. Search for scheduler.
  4. Find the Scheduler Class property.
  5. Select org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler.
  6. Click Save Changes.
  7. Click the Stale Service Restart icon that is next to the service to invoke the cluster restart wizard.
  8. Click Restart Stale Services.
  9. Select Re-deploy client configuration.
  10. Click Restart Now.