Enable and disable preemption for a pool

You can enable and disable preemption for a pool in Cloudera Manager.

  1. In Cloudera Manager, click Clusters.
  2. Select the Cluster Name.
  3. Click Dynamic Resource Pool Configuration.
    If the cluster has a YARN service, the YARN / Resource Pool tab displays. If the cluster has an Impala service enabled, the Impala Admission Control / Resource Pool tab displays.
  4. Click the YARN tab.
  5. In a pool row, click Edit.
  6. Click the Preemption tab.
  7. Select or clear Allow Preemption From.
  8. Click Save.
  9. Click Refresh Dynamic Resource Pools.