java.lang.Object
org.apache.hadoop.service.AbstractService
org.apache.hadoop.yarn.server.resourcemanager.scheduler.placement.MultiNodeSorter<N>
Type Parameters:
N - extends SchedulerNode.
All Implemented Interfaces:
Closeable, AutoCloseable, org.apache.hadoop.service.Service

public class MultiNodeSorter<N extends SchedulerNode> extends org.apache.hadoop.service.AbstractService
Common node sorting class which will do sorting based on policy spec.
  • Nested Class Summary

    Nested classes/interfaces inherited from interface org.apache.hadoop.service.Service

    org.apache.hadoop.service.Service.STATE
  • Constructor Summary

    Constructors
    Constructor
    Description
     
  • Method Summary

    Modifier and Type
    Method
    Description
     
    boolean
    Verify whether sorter thread is running or not.
    void
     
    void
    serviceInit(org.apache.hadoop.conf.Configuration conf)
     
    void
     
    void
     

    Methods inherited from class org.apache.hadoop.service.AbstractService

    close, getBlockers, getConfig, getFailureCause, getFailureState, getLifecycleHistory, getName, getServiceState, getStartTime, init, isInState, noteFailure, putBlocker, registerGlobalListener, registerServiceListener, removeBlocker, setConfig, start, stop, toString, unregisterGlobalListener, unregisterServiceListener, waitForServiceToStop

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
  • Constructor Details

  • Method Details

    • getMultiNodeLookupPolicy

      @VisibleForTesting public MultiNodeLookupPolicy<N> getMultiNodeLookupPolicy()
    • serviceInit

      public void serviceInit(org.apache.hadoop.conf.Configuration conf) throws Exception
      Overrides:
      serviceInit in class org.apache.hadoop.service.AbstractService
      Throws:
      Exception
    • serviceStart

      public void serviceStart() throws Exception
      Overrides:
      serviceStart in class org.apache.hadoop.service.AbstractService
      Throws:
      Exception
    • serviceStop

      public void serviceStop() throws Exception
      Overrides:
      serviceStop in class org.apache.hadoop.service.AbstractService
      Throws:
      Exception
    • reSortClusterNodes

      @VisibleForTesting public void reSortClusterNodes()
    • isSorterThreadRunning

      public boolean isSorterThreadRunning()
      Verify whether sorter thread is running or not.
      Returns:
      true if sorter thread is running, false otherwise.