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java.lang.Objectorg.apache.hadoop.yarn.server.resourcemanager.scheduler.ActiveUsersManager
@InterfaceAudience.Private public class ActiveUsersManager
ActiveUsersManager
tracks active users in the system.
A user is deemed to be active if he has any running applications with
outstanding resource requests.
An active user is defined as someone with outstanding resource requests.
Constructor Summary | |
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ActiveUsersManager(QueueMetrics metrics)
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Method Summary | |
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void |
activateApplication(String user,
org.apache.hadoop.yarn.api.records.ApplicationId applicationId)
An application has new outstanding requests. |
void |
deactivateApplication(String user,
org.apache.hadoop.yarn.api.records.ApplicationId applicationId)
An application has no more outstanding requests. |
int |
getNumActiveUsers()
Get number of active users i.e. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public ActiveUsersManager(QueueMetrics metrics)
Method Detail |
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@Lock(value={Queue.class,SchedulerApplication.class}) public void activateApplication(String user, org.apache.hadoop.yarn.api.records.ApplicationId applicationId)
user
- application userapplicationId
- activated application@Lock(value={Queue.class,SchedulerApplication.class}) public void deactivateApplication(String user, org.apache.hadoop.yarn.api.records.ApplicationId applicationId)
user
- application userapplicationId
- deactivated application@Lock(value={Queue.class,SchedulerApplication.class}) public int getNumActiveUsers()
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