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RMNode.java
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RMNode.java
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/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.yarn.server.resourcemanager.rmnode;
import java.util.List;
import java.util.Set;
import org.apache.hadoop.net.Node;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.Container;
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.api.records.NodeId;
import org.apache.hadoop.yarn.api.records.NodeState;
import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.api.records.ResourceUtilization;
import org.apache.hadoop.yarn.server.api.protocolrecords.NodeHeartbeatResponse;
import org.apache.hadoop.yarn.server.api.records.OpportunisticContainersStatus;
/**
* Node managers information on available resources
* and other static information.
*
*/
public interface RMNode {
/**
* the node id of of this node.
* @return the node id of this node.
*/
public NodeId getNodeID();
/**
* the hostname of this node
* @return hostname of this node
*/
public String getHostName();
/**
* the command port for this node
* @return command port for this node
*/
public int getCommandPort();
/**
* the http port for this node
* @return http port for this node
*/
public int getHttpPort();
/**
* the ContainerManager address for this node.
* @return the ContainerManager address for this node.
*/
public String getNodeAddress();
/**
* the http-Address for this node.
* @return the http-url address for this node
*/
public String getHttpAddress();
/**
* the latest health report received from this node.
* @return the latest health report received from this node.
*/
public String getHealthReport();
/**
* the time of the latest health report received from this node.
* @return the time of the latest health report received from this node.
*/
public long getLastHealthReportTime();
/**
* the node manager version of the node received as part of the
* registration with the resource manager
*/
public String getNodeManagerVersion();
/**
* the total available resource.
* @return the total available resource.
*/
public Resource getTotalCapability();
/**
* the aggregated resource utilization of the containers.
* @return the aggregated resource utilization of the containers.
*/
public ResourceUtilization getAggregatedContainersUtilization();
/**
* the total resource utilization of the node.
* @return the total resource utilization of the node.
*/
public ResourceUtilization getNodeUtilization();
/**
* the physical resources in the node.
* @return the physical resources in the node.
*/
Resource getPhysicalResource();
/**
* The rack name for this node manager.
* @return the rack name.
*/
public String getRackName();
/**
* the {@link Node} information for this node.
* @return {@link Node} information for this node.
*/
public Node getNode();
public NodeState getState();
public List<ContainerId> getContainersToCleanUp();
public List<ApplicationId> getAppsToCleanup();
List<ApplicationId> getRunningApps();
/**
* Update a {@link NodeHeartbeatResponse} with the list of containers and
* applications to clean up for this node, and the containers to be updated.
*
* @param response the {@link NodeHeartbeatResponse} to update
*/
void setAndUpdateNodeHeartbeatResponse(NodeHeartbeatResponse response);
public NodeHeartbeatResponse getLastNodeHeartBeatResponse();
/**
* Reset lastNodeHeartbeatResponse's ID to 0.
*/
void resetLastNodeHeartBeatResponse();
/**
* Get and clear the list of containerUpdates accumulated across NM
* heartbeats.
*
* @return containerUpdates accumulated across NM heartbeats.
*/
public List<UpdatedContainerInfo> pullContainerUpdates();
/**
* Get set of labels in this node
*
* @return labels in this node
*/
public Set<String> getNodeLabels();
public List<Container> pullNewlyIncreasedContainers();
OpportunisticContainersStatus getOpportunisticContainersStatus();
long getUntrackedTimeStamp();
void setUntrackedTimeStamp(long timeStamp);
/*
* Optional decommissioning timeout in second
* (null indicates absent timeout).
* @return the decommissioning timeout in second.
*/
Integer getDecommissioningTimeout();
}