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YARN-4335. Allow ResourceRequests to specify ExecutionType of a request ask (kkaranasos via asuresh)

This commit is contained in:
Arun Suresh 2016-01-07 15:18:59 -08:00
parent d6402faded
commit 8ffabfdf4f
5 changed files with 117 additions and 4 deletions
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15
hadoop-yarn-project/CHANGES-yarn-2877.txt Normal file
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@ -0,0 +1,15 @@
Hadoop YARN Change Log
Hadoop YARN Change Log for YARN-2877
yarn-2877 distributed scheduling (Unreleased)
INCOMPATIBLE CHANGES
NEW FEATURES
IMPROVEMENTS
YARN-4335. Allow ResourceRequests to specify ExecutionType of a request
ask (kkaranasos via asuresh)

41
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/ResourceRequest.java
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@ -79,6 +79,15 @@ public abstract class ResourceRequest implements Comparable<ResourceRequest> {
public static ResourceRequest newInstance(Priority priority, String hostName,
Resource capability, int numContainers, boolean relaxLocality,
String labelExpression) {
return newInstance(priority, hostName, capability, numContainers,
relaxLocality, labelExpression, ExecutionType.GUARANTEED);
}
@Public
@Stable
public static ResourceRequest newInstance(Priority priority, String hostName,
Resource capability, int numContainers, boolean relaxLocality, String
labelExpression, ExecutionType execType) {
ResourceRequest request = Records.newRecord(ResourceRequest.class);
request.setPriority(priority);
request.setResourceName(hostName);
@ -86,6 +95,7 @@ public abstract class ResourceRequest implements Comparable<ResourceRequest> {
request.setNumContainers(numContainers);
request.setRelaxLocality(relaxLocality);
request.setNodeLabelExpression(labelExpression);
request.setExecutionType(execType);
return request;
}
@ -221,7 +231,28 @@ public abstract class ResourceRequest implements Comparable<ResourceRequest> {
@Public
@Stable
public abstract boolean getRelaxLocality();
/**
* Set the <code>ExecutionType</code> of the requested container.
*
* @param execType
* ExecutionType of the requested container
*/
@Public
@Stable
public abstract void setExecutionType(ExecutionType execType);
/**
* Get whether locality relaxation is enabled with this
* <code>ResourceRequest</code>. Defaults to true.
*
* @return whether locality relaxation is enabled with this
* <code>ResourceRequest</code>.
*/
@Public
@Stable
public abstract ExecutionType getExecutionType();
/**
* <p>For a request at a network hierarchy level, set whether locality can be relaxed
* to that level and beyond.<p>
@ -322,6 +353,14 @@ public abstract class ResourceRequest implements Comparable<ResourceRequest> {
return false;
} else if (!priority.equals(other.getPriority()))
return false;
ExecutionType executionType = getExecutionType();
if (executionType == null) {
if (other.getExecutionType() != null) {
return false;
}
} else if (executionType != other.getExecutionType()) {
return false;
}
if (getNodeLabelExpression() == null) {
if (other.getNodeLabelExpression() != null) {
return false;

1
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/yarn_protos.proto
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@ -304,6 +304,7 @@ message ResourceRequestProto {
optional int32 num_containers = 4;
optional bool relax_locality = 5 [default = true];
optional string node_label_expression = 6;
optional ExecutionTypeProto executionType = 7 [default = GUARANTEED];
}
enum AMCommandProto {

43
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/api/AMRMClient.java
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@ -34,6 +34,7 @@ import org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterRespo
import org.apache.hadoop.yarn.api.records.Container;
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.api.records.ExecutionType;
import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
import org.apache.hadoop.yarn.api.records.Priority;
import org.apache.hadoop.yarn.api.records.Resource;
@ -108,6 +109,7 @@ public abstract class AMRMClient<T extends AMRMClient.ContainerRequest> extends
final Priority priority;
final boolean relaxLocality;
final String nodeLabelsExpression;
final ExecutionType executionType;
/**
* Instantiates a {@link ContainerRequest} with the given constraints and
@ -152,6 +154,33 @@ public abstract class AMRMClient<T extends AMRMClient.ContainerRequest> extends
String[] racks, Priority priority, boolean relaxLocality) {
this(capability, nodes, racks, priority, relaxLocality, null);
}
/**
* Instantiates a {@link ContainerRequest} with the given constraints.
*
* @param capability
* The {@link Resource} to be requested for each container.
* @param nodes
* Any hosts to request that the containers are placed on.
* @param racks
* Any racks to request that the containers are placed on. The
* racks corresponding to any hosts requested will be automatically
* added to this list.
* @param priority
* The priority at which to request the containers. Higher
* priorities have lower numerical values.
* @param relaxLocality
* If true, containers for this request may be assigned on hosts
* and racks other than the ones explicitly requested.
* @param nodeLabelsExpression
* Set node labels to allocate resource, now we only support
* asking for only a single node label
*/
public ContainerRequest(Resource capability, String[] nodes, String[] racks,
Priority priority, boolean relaxLocality, String nodeLabelsExpression) {
this(capability, nodes, racks, priority, relaxLocality, null,
ExecutionType.GUARANTEED);
}
/**
* Instantiates a {@link ContainerRequest} with the given constraints.
@ -173,10 +202,12 @@ public abstract class AMRMClient<T extends AMRMClient.ContainerRequest> extends
* @param nodeLabelsExpression
* Set node labels to allocate resource, now we only support
* asking for only a single node label
* @param executionType
* Set the execution type of the container request.
*/
public ContainerRequest(Resource capability, String[] nodes,
String[] racks, Priority priority, boolean relaxLocality,
String nodeLabelsExpression) {
public ContainerRequest(Resource capability, String[] nodes, String[] racks,
Priority priority, boolean relaxLocality, String nodeLabelsExpression,
ExecutionType executionType) {
// Validate request
Preconditions.checkArgument(capability != null,
"The Resource to be requested for each container " +
@ -194,6 +225,7 @@ public abstract class AMRMClient<T extends AMRMClient.ContainerRequest> extends
this.priority = priority;
this.relaxLocality = relaxLocality;
this.nodeLabelsExpression = nodeLabelsExpression;
this.executionType = executionType;
}
public Resource getCapability() {
@ -220,10 +252,15 @@ public abstract class AMRMClient<T extends AMRMClient.ContainerRequest> extends
return nodeLabelsExpression;
}
public ExecutionType getExecutionType() {
return executionType;
}
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append("Capability[").append(capability).append("]");
sb.append("Priority[").append(priority).append("]");
sb.append("ExecutionType[").append(executionType).append("]");
return sb.toString();
}
}

21
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/ResourceRequestPBImpl.java
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@ -21,6 +21,7 @@ package org.apache.hadoop.yarn.api.records.impl.pb;
import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.yarn.api.records.ExecutionType;
import org.apache.hadoop.yarn.api.records.Priority;
import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.api.records.ResourceRequest;
@ -206,4 +207,24 @@ public class ResourceRequestPBImpl extends ResourceRequest {
}
builder.setNodeLabelExpression(nodeLabelExpression);
}
@Override
public ExecutionType getExecutionType() {
ResourceRequestProtoOrBuilder p = viaProto ? proto : builder;
if (!p.hasExecutionType()) {
return null;
}
return ProtoUtils.convertFromProtoFormat(p.getExecutionType());
}
@Override
public void setExecutionType(ExecutionType execType) {
maybeInitBuilder();
if (execType == null) {
builder.clearExecutionType();
return;
}
builder.setExecutionType(ProtoUtils.convertToProtoFormat(execType));
}
}