YARN-8626. Create HomePolicyManager that sends all the requests to the home subcluster. Contributed by Inigo Goiri.
This commit is contained in:
Giovanni Matteo Fumarola
parent
861095f761
commit
d838179d8d
@ -20,9 +20,12 @@
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import java.util.Map;
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import org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse;
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import org.apache.hadoop.yarn.exceptions.YarnException;
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import org.apache.hadoop.yarn.server.federation.policies.AbstractConfigurableFederationPolicy;
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import org.apache.hadoop.yarn.server.federation.policies.dao.WeightedPolicyInfo;
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import org.apache.hadoop.yarn.server.federation.policies.exceptions.FederationPolicyInitializationException;
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import org.apache.hadoop.yarn.server.federation.store.records.SubClusterId;
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import org.apache.hadoop.yarn.server.federation.store.records.SubClusterIdInfo;
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/**
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@ -44,4 +47,9 @@ public void validate(WeightedPolicyInfo newPolicyInfo)
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}
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}
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@Override
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public void notifyOfResponse(SubClusterId subClusterId,
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AllocateResponse response) throws YarnException {
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// By default, a stateless policy does not care about responses
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}
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}
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@ -22,7 +22,6 @@
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import java.util.List;
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import java.util.Map;
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import org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse;
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import org.apache.hadoop.yarn.api.records.ResourceRequest;
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import org.apache.hadoop.yarn.exceptions.YarnException;
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import org.apache.hadoop.yarn.server.federation.policies.FederationPolicyInitializationContext;
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@ -65,10 +64,4 @@ public Map<SubClusterId, List<ResourceRequest>> splitResourceRequests(
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return answer;
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}
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@Override
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public void notifyOfResponse(SubClusterId subClusterId,
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AllocateResponse response) throws YarnException {
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// stateless policy does not care about responses
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}
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}
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@ -0,0 +1,74 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.hadoop.yarn.server.federation.policies.amrmproxy;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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import java.util.Map;
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import org.apache.hadoop.yarn.api.records.ResourceRequest;
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import org.apache.hadoop.yarn.exceptions.YarnException;
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import org.apache.hadoop.yarn.server.federation.policies.FederationPolicyInitializationContext;
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import org.apache.hadoop.yarn.server.federation.policies.FederationPolicyInitializationContextValidator;
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import org.apache.hadoop.yarn.server.federation.policies.exceptions.FederationPolicyException;
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import org.apache.hadoop.yarn.server.federation.policies.exceptions.FederationPolicyInitializationException;
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import org.apache.hadoop.yarn.server.federation.store.records.SubClusterId;
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import org.apache.hadoop.yarn.server.federation.store.records.SubClusterInfo;
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/**
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* An implementation of the {@link FederationAMRMProxyPolicy} that simply
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* sends the {@link ResourceRequest} to the home subcluster.
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*/
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public class HomeAMRMProxyPolicy extends AbstractAMRMProxyPolicy {
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/** Identifier of the local subcluster. */
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private SubClusterId homeSubcluster;
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@Override
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public void reinitialize(
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FederationPolicyInitializationContext policyContext)
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throws FederationPolicyInitializationException {
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FederationPolicyInitializationContextValidator
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.validate(policyContext, this.getClass().getCanonicalName());
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setPolicyContext(policyContext);
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this.homeSubcluster = policyContext.getHomeSubcluster();
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}
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@Override
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public Map<SubClusterId, List<ResourceRequest>> splitResourceRequests(
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List<ResourceRequest> resourceRequests) throws YarnException {
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if (homeSubcluster == null) {
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throw new FederationPolicyException("No home subcluster available");
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}
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Map<SubClusterId, SubClusterInfo> active = getActiveSubclusters();
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if (!active.containsKey(homeSubcluster)) {
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throw new FederationPolicyException(
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"The local subcluster " + homeSubcluster + " is not active");
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}
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List<ResourceRequest> resourceRequestsCopy =
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new ArrayList<>(resourceRequests);
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return Collections.singletonMap(homeSubcluster, resourceRequestsCopy);
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}
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}
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@ -21,7 +21,6 @@
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import java.util.List;
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import java.util.Map;
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import org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse;
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import org.apache.hadoop.yarn.api.records.ResourceRequest;
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import org.apache.hadoop.yarn.exceptions.YarnException;
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import org.apache.hadoop.yarn.server.federation.policies.FederationPolicyInitializationContext;
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@ -53,11 +52,4 @@ public Map<SubClusterId, List<ResourceRequest>> splitResourceRequests(
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+ "rejects all routing requests by construction.");
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}
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@Override
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public void notifyOfResponse(SubClusterId subClusterId,
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AllocateResponse response) throws YarnException {
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// This might be invoked for applications started with a previous policy,
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// do nothing for this policy.
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}
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}
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@ -0,0 +1,61 @@
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/**
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with this
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* work for additional information regarding copyright ownership. The ASF
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* licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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*/
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package org.apache.hadoop.yarn.server.federation.policies.manager;
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import java.nio.ByteBuffer;
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import java.util.Collections;
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import org.apache.hadoop.yarn.server.federation.policies.amrmproxy.HomeAMRMProxyPolicy;
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import org.apache.hadoop.yarn.server.federation.policies.dao.WeightedPolicyInfo;
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import org.apache.hadoop.yarn.server.federation.policies.exceptions.FederationPolicyInitializationException;
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import org.apache.hadoop.yarn.server.federation.policies.router.UniformRandomRouterPolicy;
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import org.apache.hadoop.yarn.server.federation.store.records.SubClusterIdInfo;
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import org.apache.hadoop.yarn.server.federation.store.records.SubClusterPolicyConfiguration;
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/**
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* Policy manager which uses the {@link UniformRandomRouterPolicy} for the
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* Router and {@link HomeAMRMProxyPolicy} as the AMRMProxy policy to find the
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* RM.
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*/
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public class HomePolicyManager extends AbstractPolicyManager {
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/** Imaginary configuration to fulfill the super class. */
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private WeightedPolicyInfo weightedPolicyInfo;
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public HomePolicyManager() {
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weightedPolicyInfo = new WeightedPolicyInfo();
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weightedPolicyInfo.setRouterPolicyWeights(
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Collections.singletonMap(new SubClusterIdInfo(""), 1.0f));
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weightedPolicyInfo.setAMRMPolicyWeights(
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Collections.singletonMap(new SubClusterIdInfo(""), 1.0f));
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// Hard-codes two compatible policies for Router and AMRMProxy.
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routerFederationPolicy = UniformRandomRouterPolicy.class;
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amrmProxyFederationPolicy = HomeAMRMProxyPolicy.class;
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}
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@Override
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public SubClusterPolicyConfiguration serializeConf()
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throws FederationPolicyInitializationException {
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ByteBuffer buf = weightedPolicyInfo.toByteBuffer();
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return SubClusterPolicyConfiguration.newInstance(
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getQueue(), this.getClass().getCanonicalName(), buf);
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}
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}
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@ -0,0 +1,110 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.hadoop.yarn.server.federation.policies.amrmproxy;
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import static org.apache.hadoop.yarn.server.federation.utils.FederationPoliciesTestUtil.createResourceRequests;
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import static org.apache.hadoop.yarn.server.federation.utils.FederationPoliciesTestUtil.initializePolicyContext;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertNotNull;
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import static org.junit.Assert.fail;
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import static org.mockito.Mockito.mock;
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import static org.mockito.Mockito.when;
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import java.util.List;
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import java.util.Map;
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import org.apache.hadoop.test.GenericTestUtils;
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import org.apache.hadoop.yarn.api.records.ResourceRequest;
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import org.apache.hadoop.yarn.exceptions.YarnException;
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import org.apache.hadoop.yarn.server.federation.policies.BaseFederationPoliciesTest;
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import org.apache.hadoop.yarn.server.federation.policies.dao.WeightedPolicyInfo;
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import org.apache.hadoop.yarn.server.federation.policies.exceptions.FederationPolicyException;
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import org.apache.hadoop.yarn.server.federation.store.records.SubClusterId;
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import org.apache.hadoop.yarn.server.federation.store.records.SubClusterIdInfo;
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import org.apache.hadoop.yarn.server.federation.store.records.SubClusterInfo;
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import org.apache.hadoop.yarn.server.federation.store.records.SubClusterState;
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import org.junit.Before;
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import org.junit.Test;
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/**
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* Simple test class for the {@link HomeAMRMProxyPolicy}.
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*/
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public class TestHomeAMRMProxyPolicy extends BaseFederationPoliciesTest {
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private static final int NUM_SUBCLUSTERS = 4;
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private static final String HOME_SC_NAME = "sc2";
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private static final SubClusterId HOME_SC_ID =
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SubClusterId.newInstance(HOME_SC_NAME);
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@Before
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public void setUp() throws Exception {
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setPolicy(new HomeAMRMProxyPolicy());
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// needed for base test to work
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setPolicyInfo(mock(WeightedPolicyInfo.class));
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for (int i = 0; i < NUM_SUBCLUSTERS; i++) {
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SubClusterIdInfo sc = new SubClusterIdInfo("sc" + i);
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SubClusterInfo sci = mock(SubClusterInfo.class);
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when(sci.getState()).thenReturn(SubClusterState.SC_RUNNING);
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when(sci.getSubClusterId()).thenReturn(sc.toId());
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getActiveSubclusters().put(sc.toId(), sci);
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}
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initializePolicyContext(getPolicy(), mock(WeightedPolicyInfo.class),
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getActiveSubclusters(), HOME_SC_NAME);
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}
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@Test
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public void testSplitAllocateRequest() throws YarnException {
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// Verify the request only goes to the home subcluster
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String[] hosts = new String[] {"host0", "host1", "host2", "host3"};
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List<ResourceRequest> resourceRequests = createResourceRequests(
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hosts, 2 * 1024, 2, 1, 3, null, false);
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HomeAMRMProxyPolicy federationPolicy =
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(HomeAMRMProxyPolicy)getPolicy();
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Map<SubClusterId, List<ResourceRequest>> response =
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federationPolicy.splitResourceRequests(resourceRequests);
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assertEquals(1, response.size());
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assertNotNull(response.get(HOME_SC_ID));
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assertEquals(9, response.get(HOME_SC_ID).size());
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}
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@Test
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public void testHomeSubclusterNotActive() throws YarnException {
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// We setup the home subcluster to a non-existing one
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initializePolicyContext(getPolicy(), mock(WeightedPolicyInfo.class),
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getActiveSubclusters(), "badsc");
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// Verify the request fails because the home subcluster is not available
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try {
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String[] hosts = new String[] {"host0", "host1", "host2", "host3"};
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List<ResourceRequest> resourceRequests = createResourceRequests(
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hosts, 2 * 1024, 2, 1, 3, null, false);
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HomeAMRMProxyPolicy federationPolicy = (HomeAMRMProxyPolicy)getPolicy();
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federationPolicy.splitResourceRequests(resourceRequests);
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fail("It should fail when the home subcluster is not active");
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} catch(FederationPolicyException e) {
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GenericTestUtils.assertExceptionContains("is not active", e);
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}
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}
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}
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@ -0,0 +1,39 @@
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/**
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with this
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* work for additional information regarding copyright ownership. The ASF
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* licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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*/
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package org.apache.hadoop.yarn.server.federation.policies.manager;
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import org.apache.hadoop.yarn.server.federation.policies.amrmproxy.HomeAMRMProxyPolicy;
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import org.apache.hadoop.yarn.server.federation.policies.router.UniformRandomRouterPolicy;
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import org.junit.Before;
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/**
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* Simple test of {@link HomePolicyManager}.
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*/
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public class TestHomePolicyManager extends BasePolicyManagerTest {
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@Before
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public void setup() {
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wfp = new HomePolicyManager();
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//set expected params that the base test class will use for tests
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expectedPolicyManager = HomePolicyManager.class;
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expectedAMRMProxyPolicy = HomeAMRMProxyPolicy.class;
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expectedRouterPolicy = UniformRandomRouterPolicy.class;
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}
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}
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@ -140,11 +140,21 @@ public static void initializePolicyContext(
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public static void initializePolicyContext(
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ConfigurableFederationPolicy policy,
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WeightedPolicyInfo policyInfo, Map<SubClusterId,
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SubClusterInfo> activeSubclusters) throws YarnException {
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WeightedPolicyInfo policyInfo,
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Map<SubClusterId, SubClusterInfo> activeSubclusters)
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throws YarnException {
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initializePolicyContext(
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policy, policyInfo, activeSubclusters, "homesubcluster");
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}
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public static void initializePolicyContext(
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ConfigurableFederationPolicy policy,
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WeightedPolicyInfo policyInfo,
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Map<SubClusterId, SubClusterInfo> activeSubclusters,
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String subclusterId) throws YarnException {
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FederationPolicyInitializationContext context =
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new FederationPolicyInitializationContext(null, initResolver(),
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initFacade(), SubClusterId.newInstance("homesubcluster"));
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initFacade(), SubClusterId.newInstance(subclusterId));
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initializePolicyContext(context, policy, policyInfo, activeSubclusters);
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}
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Block a user