Set YARN user limits

You can limit the number of applications a specific user can run at the same time.

Pool properties determine the maximum number of applications that can run in a pool.

  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. Click the User Limits tab.
    The table displays a list of users and the maximum number of jobs each user can submit.
  6. Click Add User Limit.
  7. Specify a username containing only alphanumeric characters. If referencing a user or group name that contains a ".", replace the "." with "_dot_".
  8. Specify the maximum number of running applications.
  9. Click Create.
  10. Click Refresh Dynamic Resource Pools.