YARN-5676. Add a HashBasedRouterPolicy, and small policies and test refactoring. (Carlo Curino via Subru).
(cherry picked from commit 575137f41c27eb72d05d923337f3030a35403e8f)
This commit is contained in:
Subru Krishnan
Carlo Curino
parent
083a05bc14
commit
4128c9522d
@ -2600,7 +2600,8 @@ public static boolean isAclEnabled(Configuration conf) {
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+ "policy-manager";
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public static final String DEFAULT_FEDERATION_POLICY_MANAGER = "org.apache"
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+ ".hadoop.yarn.server.federation.policies.UniformBroadcastPolicyManager";
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+ ".hadoop.yarn.server.federation.policies"
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+ ".manager.UniformBroadcastPolicyManager";
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public static final String FEDERATION_POLICY_MANAGER_PARAMS =
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FEDERATION_PREFIX + "policy-manager-params";
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@ -30,6 +30,7 @@
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import org.apache.hadoop.yarn.server.federation.policies.amrmproxy.LocalityMulticastAMRMProxyPolicy;
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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.policies.manager.FederationPolicyManager;
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import org.apache.hadoop.yarn.server.federation.policies.router.FederationRouterPolicy;
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import org.apache.hadoop.yarn.server.federation.resolver.SubClusterResolver;
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import org.apache.hadoop.yarn.server.federation.store.records.SubClusterId;
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@ -15,8 +15,11 @@
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* the License.
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*/
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package org.apache.hadoop.yarn.server.federation.policies;
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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.ConfigurableFederationPolicy;
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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.amrmproxy.FederationAMRMProxyPolicy;
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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.FederationRouterPolicy;
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@ -24,6 +27,8 @@
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.nio.ByteBuffer;
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/**
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* This class provides basic implementation for common methods that multiple
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* policies will need to implement.
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@ -112,6 +117,16 @@ public FederationRouterPolicy getRouterPolicy(
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}
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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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// default implementation works only for sub-classes which do not require
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// any parameters
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ByteBuffer buf = ByteBuffer.allocate(0);
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return SubClusterPolicyConfiguration
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.newInstance(getQueue(), this.getClass().getCanonicalName(), buf);
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}
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@Override
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public String getQueue() {
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return queue;
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@ -15,8 +15,9 @@
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* the License.
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*/
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package org.apache.hadoop.yarn.server.federation.policies;
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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.FederationPolicyInitializationContext;
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import org.apache.hadoop.yarn.server.federation.policies.amrmproxy.FederationAMRMProxyPolicy;
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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.FederationRouterPolicy;
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@ -0,0 +1,38 @@
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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.BroadcastAMRMProxyPolicy;
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import org.apache.hadoop.yarn.server.federation.policies.router.HashBasedRouterPolicy;
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/**
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* Policy that routes applications via hashing of their queuename, and broadcast
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* resource requests. This picks a {@link HashBasedRouterPolicy} for the router
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* and a {@link BroadcastAMRMProxyPolicy} for the amrmproxy as they are designed
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* to work together.
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*/
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public class HashBroadcastPolicyManager extends AbstractPolicyManager {
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public HashBroadcastPolicyManager() {
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// this structurally hard-codes two compatible policies for Router and
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// AMRMProxy.
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routerFederationPolicy = HashBasedRouterPolicy.class;
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amrmProxyFederationPolicy = BroadcastAMRMProxyPolicy.class;
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}
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}
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@ -15,7 +15,7 @@
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* the License.
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*/
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package org.apache.hadoop.yarn.server.federation.policies;
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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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@ -15,14 +15,10 @@
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* the License.
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*/
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package org.apache.hadoop.yarn.server.federation.policies;
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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.BroadcastAMRMProxyPolicy;
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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.SubClusterPolicyConfiguration;
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import java.nio.ByteBuffer;
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/**
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* This class represents a simple implementation of a {@code
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@ -36,8 +32,7 @@
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* containers than a job requested as all requests are (replicated and)
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* broadcasted.
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*/
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public class UniformBroadcastPolicyManager
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extends AbstractPolicyManager {
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public class UniformBroadcastPolicyManager extends AbstractPolicyManager {
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public UniformBroadcastPolicyManager() {
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// this structurally hard-codes two compatible policies for Router and
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@ -46,11 +41,4 @@ public UniformBroadcastPolicyManager() {
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amrmProxyFederationPolicy = BroadcastAMRMProxyPolicy.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 = ByteBuffer.allocate(0);
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return SubClusterPolicyConfiguration
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.newInstance(getQueue(), this.getClass().getCanonicalName(), buf);
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}
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}
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@ -15,7 +15,7 @@
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* the License.
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*/
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package org.apache.hadoop.yarn.server.federation.policies;
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package org.apache.hadoop.yarn.server.federation.policies.manager;
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import com.google.common.annotations.VisibleForTesting;
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import org.apache.hadoop.yarn.server.federation.policies.amrmproxy.LocalityMulticastAMRMProxyPolicy;
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@ -0,0 +1,19 @@
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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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/** Various implementation of FederationPolicyManager. **/
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package org.apache.hadoop.yarn.server.federation.policies.manager;
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@ -20,8 +20,11 @@
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import java.util.Map;
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import org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext;
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import org.apache.hadoop.yarn.conf.YarnConfiguration;
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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.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.SubClusterIdInfo;
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@ -44,4 +47,20 @@ public void validate(WeightedPolicyInfo newPolicyInfo)
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}
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}
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public void validate(ApplicationSubmissionContext appSubmissionContext)
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throws FederationPolicyException {
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if (appSubmissionContext == null) {
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throw new FederationPolicyException(
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"Cannot route an application with null context.");
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}
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// if the queue is not specified we set it to default value, to be
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// compatible with YARN behavior.
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String queue = appSubmissionContext.getQueue();
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if (queue == null) {
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appSubmissionContext.setQueue(YarnConfiguration.DEFAULT_QUEUE_NAME);
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}
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}
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}
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@ -0,0 +1,81 @@
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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.router;
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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.ApplicationSubmissionContext;
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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.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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* This {@link FederationRouterPolicy} pick a subcluster based on the hash of
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* the job's queue name. Useful to provide a default behavior when too many
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* queues exist in a system. This also ensures that all jobs belonging to a
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* queue are mapped to the same sub-cluster (likely help with locality).
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*/
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public class HashBasedRouterPolicy extends AbstractRouterPolicy {
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@Override
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public void reinitialize(
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FederationPolicyInitializationContext federationPolicyContext)
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throws FederationPolicyInitializationException {
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FederationPolicyInitializationContextValidator
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.validate(federationPolicyContext, this.getClass().getCanonicalName());
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// note: this overrides BaseRouterPolicy and ignores the weights
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setPolicyContext(federationPolicyContext);
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}
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/**
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* Simply picks from alphabetically-sorted active subclusters based on the
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* hash of quey name. Jobs of the same queue will all be routed to the same
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* sub-cluster, as far as the number of active sub-cluster and their names
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* remain the same.
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*
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* @param appSubmissionContext the context for the app being submitted.
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*
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* @return a hash-based chosen subcluster.
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*
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* @throws YarnException if there are no active subclusters.
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*/
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public SubClusterId getHomeSubcluster(
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ApplicationSubmissionContext appSubmissionContext) throws YarnException {
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// throws if no active subclusters available
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Map<SubClusterId, SubClusterInfo> activeSubclusters =
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getActiveSubclusters();
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validate(appSubmissionContext);
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int chosenPosition = Math.abs(
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appSubmissionContext.getQueue().hashCode() % activeSubclusters.size());
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List<SubClusterId> list = new ArrayList<>(activeSubclusters.keySet());
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Collections.sort(list);
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return list.get(chosenPosition);
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}
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}
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@ -64,6 +64,9 @@ public void reinitialize(FederationPolicyInitializationContext policyContext)
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public SubClusterId getHomeSubcluster(
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ApplicationSubmissionContext appSubmissionContext) throws YarnException {
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// null checks and default-queue behavior
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validate(appSubmissionContext);
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Map<SubClusterId, SubClusterInfo> activeSubclusters =
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getActiveSubclusters();
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@ -36,6 +36,9 @@ public class PriorityRouterPolicy extends AbstractRouterPolicy {
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public SubClusterId getHomeSubcluster(
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ApplicationSubmissionContext appSubmissionContext) throws YarnException {
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// null checks and default-queue behavior
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validate(appSubmissionContext);
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Map<SubClusterId, SubClusterInfo> activeSubclusters =
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getActiveSubclusters();
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@ -48,11 +48,10 @@ public UniformRandomRouterPolicy() {
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}
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@Override
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public void reinitialize(
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FederationPolicyInitializationContext policyContext)
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public void reinitialize(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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FederationPolicyInitializationContextValidator.validate(policyContext,
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this.getClass().getCanonicalName());
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// note: this overrides AbstractRouterPolicy and ignores the weights
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@ -73,6 +72,9 @@ public void reinitialize(
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public SubClusterId getHomeSubcluster(
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ApplicationSubmissionContext appSubmissionContext) throws YarnException {
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// null checks and default-queue behavior
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validate(appSubmissionContext);
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Map<SubClusterId, SubClusterInfo> activeSubclusters =
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getActiveSubclusters();
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@ -43,6 +43,9 @@ public class WeightedRandomRouterPolicy extends AbstractRouterPolicy {
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public SubClusterId getHomeSubcluster(
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ApplicationSubmissionContext appSubmissionContext) throws YarnException {
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// null checks and default-queue behavior
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validate(appSubmissionContext);
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Map<SubClusterId, SubClusterInfo> activeSubclusters =
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getActiveSubclusters();
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@ -19,6 +19,7 @@
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package org.apache.hadoop.yarn.server.federation.policies;
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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.nio.ByteBuffer;
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import java.util.HashMap;
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@ -35,8 +36,10 @@
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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.FederationRouterPolicy;
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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.SubClusterPolicyConfiguration;
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import org.apache.hadoop.yarn.server.federation.store.records.SubClusterState;
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import org.apache.hadoop.yarn.server.federation.utils.FederationPoliciesTestUtil;
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import org.junit.Test;
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@ -46,7 +49,7 @@
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public abstract class BaseFederationPoliciesTest {
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private ConfigurableFederationPolicy policy;
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private WeightedPolicyInfo policyInfo;
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private WeightedPolicyInfo policyInfo = mock(WeightedPolicyInfo.class);
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private Map<SubClusterId, SubClusterInfo> activeSubclusters = new HashMap<>();
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private FederationPolicyInitializationContext federationPolicyContext;
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private ApplicationSubmissionContext applicationSubmissionContext =
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@ -170,4 +173,14 @@ public void setHomeSubCluster(SubClusterId homeSubCluster) {
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this.homeSubCluster = homeSubCluster;
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}
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public void setMockActiveSubclusters(int numSubclusters) {
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for (int i = 1; i <= numSubclusters; 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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}
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}
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@ -22,6 +22,7 @@
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import org.apache.hadoop.yarn.server.federation.policies.amrmproxy.FederationAMRMProxyPolicy;
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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.manager.FederationPolicyManager;
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import org.apache.hadoop.yarn.server.federation.policies.router.FederationRouterPolicy;
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import org.apache.hadoop.yarn.server.federation.resolver.SubClusterResolver;
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import org.apache.hadoop.yarn.server.federation.store.records.SubClusterId;
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@ -29,6 +29,8 @@
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import org.apache.hadoop.yarn.exceptions.YarnException;
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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.manager.PriorityBroadcastPolicyManager;
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import org.apache.hadoop.yarn.server.federation.policies.manager.UniformBroadcastPolicyManager;
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import org.apache.hadoop.yarn.server.federation.policies.router.PriorityRouterPolicy;
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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.resolver.SubClusterResolver;
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@ -15,8 +15,9 @@
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* the License.
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*/
|
||||
|
||||
package org.apache.hadoop.yarn.server.federation.policies;
|
||||
package org.apache.hadoop.yarn.server.federation.policies.manager;
|
||||
|
||||
import org.apache.hadoop.yarn.server.federation.policies.FederationPolicyInitializationContext;
|
||||
import org.apache.hadoop.yarn.server.federation.policies.amrmproxy.FederationAMRMProxyPolicy;
|
||||
import org.apache.hadoop.yarn.server.federation.policies.exceptions.FederationPolicyInitializationException;
|
||||
import org.apache.hadoop.yarn.server.federation.policies.router.FederationRouterPolicy;
|
||||
@ -32,7 +33,6 @@
|
||||
*/
|
||||
public abstract class BasePolicyManagerTest {
|
||||
|
||||
|
||||
@SuppressWarnings("checkstyle:visibilitymodifier")
|
||||
protected FederationPolicyManager wfp = null;
|
||||
@SuppressWarnings("checkstyle:visibilitymodifier")
|
||||
@ -42,12 +42,10 @@ public abstract class BasePolicyManagerTest {
|
||||
@SuppressWarnings("checkstyle:visibilitymodifier")
|
||||
protected Class expectedRouterPolicy;
|
||||
|
||||
|
||||
@Test
|
||||
public void testSerializeAndInstantiate() throws Exception {
|
||||
serializeAndDeserializePolicyManager(wfp, expectedPolicyManager,
|
||||
expectedAMRMProxyPolicy,
|
||||
expectedRouterPolicy);
|
||||
expectedAMRMProxyPolicy, expectedRouterPolicy);
|
||||
}
|
||||
|
||||
@Test(expected = FederationPolicyInitializationException.class)
|
||||
@ -73,11 +71,10 @@ protected static void serializeAndDeserializePolicyManager(
|
||||
Class expAMRMProxyPolicy, Class expRouterPolicy) throws Exception {
|
||||
|
||||
// serializeConf it in a context
|
||||
SubClusterPolicyConfiguration fpc =
|
||||
wfp.serializeConf();
|
||||
SubClusterPolicyConfiguration fpc = wfp.serializeConf();
|
||||
fpc.setType(policyManagerType.getCanonicalName());
|
||||
FederationPolicyInitializationContext context = new
|
||||
FederationPolicyInitializationContext();
|
||||
FederationPolicyInitializationContext context =
|
||||
new FederationPolicyInitializationContext();
|
||||
context.setSubClusterPolicyConfiguration(fpc);
|
||||
context
|
||||
.setFederationStateStoreFacade(FederationPoliciesTestUtil.initFacade());
|
||||
@ -101,8 +98,7 @@ protected static void serializeAndDeserializePolicyManager(
|
||||
Assert.assertEquals(federationAMRMProxyPolicy.getClass(),
|
||||
expAMRMProxyPolicy);
|
||||
|
||||
Assert.assertEquals(federationRouterPolicy.getClass(),
|
||||
expRouterPolicy);
|
||||
Assert.assertEquals(federationRouterPolicy.getClass(), expRouterPolicy);
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,40 @@
|
||||
/**
|
||||
* 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.federation.policies.manager;
|
||||
|
||||
import org.apache.hadoop.yarn.server.federation.policies.amrmproxy.BroadcastAMRMProxyPolicy;
|
||||
import org.apache.hadoop.yarn.server.federation.policies.router.HashBasedRouterPolicy;
|
||||
import org.junit.Before;
|
||||
|
||||
/**
|
||||
* Simple test of {@link HashBroadcastPolicyManager}.
|
||||
*/
|
||||
public class TestHashBasedBroadcastPolicyManager extends BasePolicyManagerTest {
|
||||
|
||||
@Before
|
||||
public void setup() {
|
||||
// config policy
|
||||
wfp = new HashBroadcastPolicyManager();
|
||||
wfp.setQueue("queue1");
|
||||
|
||||
// set expected params that the base test class will use for tests
|
||||
expectedPolicyManager = HashBroadcastPolicyManager.class;
|
||||
expectedAMRMProxyPolicy = BroadcastAMRMProxyPolicy.class;
|
||||
expectedRouterPolicy = HashBasedRouterPolicy.class;
|
||||
}
|
||||
}
|
||||
@ -15,7 +15,7 @@
|
||||
* the License.
|
||||
*/
|
||||
|
||||
package org.apache.hadoop.yarn.server.federation.policies;
|
||||
package org.apache.hadoop.yarn.server.federation.policies.manager;
|
||||
|
||||
import java.util.HashMap;
|
||||
import java.util.Map;
|
||||
@ -15,7 +15,7 @@
|
||||
* the License.
|
||||
*/
|
||||
|
||||
package org.apache.hadoop.yarn.server.federation.policies;
|
||||
package org.apache.hadoop.yarn.server.federation.policies.manager;
|
||||
|
||||
import org.apache.hadoop.yarn.server.federation.policies.amrmproxy.BroadcastAMRMProxyPolicy;
|
||||
import org.apache.hadoop.yarn.server.federation.policies.router.UniformRandomRouterPolicy;
|
||||
@ -15,7 +15,7 @@
|
||||
* the License.
|
||||
*/
|
||||
|
||||
package org.apache.hadoop.yarn.server.federation.policies;
|
||||
package org.apache.hadoop.yarn.server.federation.policies.manager;
|
||||
|
||||
import org.apache.hadoop.yarn.server.federation.policies.amrmproxy.LocalityMulticastAMRMProxyPolicy;
|
||||
import org.apache.hadoop.yarn.server.federation.policies.dao.WeightedPolicyInfo;
|
||||
@ -0,0 +1,51 @@
|
||||
/**
|
||||
* 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.federation.policies.router;
|
||||
|
||||
import org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext;
|
||||
import org.apache.hadoop.yarn.exceptions.YarnException;
|
||||
import org.apache.hadoop.yarn.server.federation.policies.BaseFederationPoliciesTest;
|
||||
import org.apache.hadoop.yarn.server.federation.policies.exceptions.FederationPolicyException;
|
||||
import org.apache.hadoop.yarn.server.federation.store.records.SubClusterId;
|
||||
import org.apache.hadoop.yarn.util.resource.Resources;
|
||||
import org.junit.Assert;
|
||||
import org.junit.Test;
|
||||
|
||||
/**
|
||||
* Base class for router policies tests, tests for null input cases.
|
||||
*/
|
||||
public abstract class BaseRouterPoliciesTest
|
||||
extends BaseFederationPoliciesTest {
|
||||
|
||||
@Test
|
||||
public void testNullQueueRouting() throws YarnException {
|
||||
FederationRouterPolicy localPolicy = (FederationRouterPolicy) getPolicy();
|
||||
ApplicationSubmissionContext applicationSubmissionContext =
|
||||
ApplicationSubmissionContext.newInstance(null, null, null, null, null,
|
||||
false, false, 0, Resources.none(), null, false, null, null);
|
||||
SubClusterId chosen =
|
||||
localPolicy.getHomeSubcluster(applicationSubmissionContext);
|
||||
Assert.assertNotNull(chosen);
|
||||
}
|
||||
|
||||
@Test(expected = FederationPolicyException.class)
|
||||
public void testNullAppContext() throws YarnException {
|
||||
((FederationRouterPolicy) getPolicy()).getHomeSubcluster(null);
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,83 @@
|
||||
/**
|
||||
* 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.federation.policies.router;
|
||||
|
||||
import static org.mockito.Mockito.mock;
|
||||
import static org.mockito.Mockito.when;
|
||||
|
||||
import java.util.HashMap;
|
||||
import java.util.Map;
|
||||
import java.util.concurrent.atomic.AtomicLong;
|
||||
|
||||
import org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext;
|
||||
import org.apache.hadoop.yarn.exceptions.YarnException;
|
||||
import org.apache.hadoop.yarn.server.federation.store.records.SubClusterId;
|
||||
import org.apache.hadoop.yarn.server.federation.utils.FederationPoliciesTestUtil;
|
||||
import org.junit.Assert;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
|
||||
/**
|
||||
* Simple test class for the {@link HashBasedRouterPolicy}. Tests that one of
|
||||
* the active sub-cluster is chosen.
|
||||
*/
|
||||
public class TestHashBasedRouterPolicy extends BaseRouterPoliciesTest {
|
||||
|
||||
private int numSubclusters = 10;
|
||||
|
||||
@Before
|
||||
public void setUp() throws Exception {
|
||||
|
||||
// set policy in base class
|
||||
setPolicy(new HashBasedRouterPolicy());
|
||||
|
||||
// setting up the active sub-clusters for this test
|
||||
setMockActiveSubclusters(numSubclusters);
|
||||
|
||||
// initialize policy with context
|
||||
FederationPoliciesTestUtil.initializePolicyContext(getPolicy(),
|
||||
getPolicyInfo(), getActiveSubclusters());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testHashSpreadUniformlyAmongSubclusters() throws YarnException {
|
||||
SubClusterId chosen;
|
||||
|
||||
Map<SubClusterId, AtomicLong> counter = new HashMap<>();
|
||||
for (SubClusterId id : getActiveSubclusters().keySet()) {
|
||||
counter.put(id, new AtomicLong(0));
|
||||
}
|
||||
|
||||
long jobPerSub = 100;
|
||||
|
||||
ApplicationSubmissionContext applicationSubmissionContext =
|
||||
mock(ApplicationSubmissionContext.class);
|
||||
for (int i = 0; i < jobPerSub * numSubclusters; i++) {
|
||||
when(applicationSubmissionContext.getQueue()).thenReturn("queue" + i);
|
||||
chosen = ((FederationRouterPolicy) getPolicy())
|
||||
.getHomeSubcluster(applicationSubmissionContext);
|
||||
counter.get(chosen).addAndGet(1);
|
||||
}
|
||||
|
||||
// hash spread the jobs equally among the subclusters
|
||||
for (AtomicLong a : counter.values()) {
|
||||
Assert.assertEquals(a.get(), jobPerSub);
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
@ -21,7 +21,6 @@
|
||||
import java.util.Map;
|
||||
|
||||
import org.apache.hadoop.yarn.exceptions.YarnException;
|
||||
import org.apache.hadoop.yarn.server.federation.policies.BaseFederationPoliciesTest;
|
||||
import org.apache.hadoop.yarn.server.federation.policies.dao.WeightedPolicyInfo;
|
||||
import org.apache.hadoop.yarn.server.federation.store.records.SubClusterId;
|
||||
import org.apache.hadoop.yarn.server.federation.store.records.SubClusterIdInfo;
|
||||
@ -36,7 +35,7 @@
|
||||
* Simple test class for the {@link LoadBasedRouterPolicy}. Test that the load
|
||||
* is properly considered for allocation.
|
||||
*/
|
||||
public class TestLoadBasedRouterPolicy extends BaseFederationPoliciesTest {
|
||||
public class TestLoadBasedRouterPolicy extends BaseRouterPoliciesTest {
|
||||
|
||||
@Before
|
||||
public void setUp() throws Exception {
|
||||
|
||||
@ -23,7 +23,6 @@
|
||||
import java.util.Map;
|
||||
|
||||
import org.apache.hadoop.yarn.exceptions.YarnException;
|
||||
import org.apache.hadoop.yarn.server.federation.policies.BaseFederationPoliciesTest;
|
||||
import org.apache.hadoop.yarn.server.federation.policies.dao.WeightedPolicyInfo;
|
||||
import org.apache.hadoop.yarn.server.federation.store.records.SubClusterId;
|
||||
import org.apache.hadoop.yarn.server.federation.store.records.SubClusterIdInfo;
|
||||
@ -38,7 +37,7 @@
|
||||
* Simple test class for the {@link PriorityRouterPolicy}. Tests that the
|
||||
* weights are correctly used for ordering the choice of sub-clusters.
|
||||
*/
|
||||
public class TestPriorityRouterPolicy extends BaseFederationPoliciesTest {
|
||||
public class TestPriorityRouterPolicy extends BaseRouterPoliciesTest {
|
||||
|
||||
@Before
|
||||
public void setUp() throws Exception {
|
||||
|
||||
@ -21,7 +21,6 @@
|
||||
import static org.mockito.Mockito.when;
|
||||
|
||||
import org.apache.hadoop.yarn.exceptions.YarnException;
|
||||
import org.apache.hadoop.yarn.server.federation.policies.BaseFederationPoliciesTest;
|
||||
import org.apache.hadoop.yarn.server.federation.policies.dao.WeightedPolicyInfo;
|
||||
import org.apache.hadoop.yarn.server.federation.store.records.SubClusterId;
|
||||
import org.apache.hadoop.yarn.server.federation.store.records.SubClusterIdInfo;
|
||||
@ -36,7 +35,7 @@
|
||||
* Simple test class for the {@link UniformRandomRouterPolicy}. Tests that one
|
||||
* of the active subcluster is chosen.
|
||||
*/
|
||||
public class TestUniformRandomRouterPolicy extends BaseFederationPoliciesTest {
|
||||
public class TestUniformRandomRouterPolicy extends BaseRouterPoliciesTest {
|
||||
|
||||
@Before
|
||||
public void setUp() throws Exception {
|
||||
|
||||
@ -24,8 +24,8 @@
|
||||
import java.util.Map;
|
||||
import java.util.concurrent.atomic.AtomicLong;
|
||||
|
||||
import org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext;
|
||||
import org.apache.hadoop.yarn.exceptions.YarnException;
|
||||
import org.apache.hadoop.yarn.server.federation.policies.BaseFederationPoliciesTest;
|
||||
import org.apache.hadoop.yarn.server.federation.policies.dao.WeightedPolicyInfo;
|
||||
import org.apache.hadoop.yarn.server.federation.store.records.SubClusterId;
|
||||
import org.apache.hadoop.yarn.server.federation.store.records.SubClusterIdInfo;
|
||||
@ -41,7 +41,7 @@
|
||||
* number of randomized tests to check we are weighiting correctly even if
|
||||
* clusters go inactive.
|
||||
*/
|
||||
public class TestWeightedRandomRouterPolicy extends BaseFederationPoliciesTest {
|
||||
public class TestWeightedRandomRouterPolicy extends BaseRouterPoliciesTest {
|
||||
|
||||
@Before
|
||||
public void setUp() throws Exception {
|
||||
@ -78,13 +78,18 @@ public void setUp() throws Exception {
|
||||
@Test
|
||||
public void testClusterChosenWithRightProbability() throws YarnException {
|
||||
|
||||
ApplicationSubmissionContext context =
|
||||
mock(ApplicationSubmissionContext.class);
|
||||
when(context.getQueue()).thenReturn("queue1");
|
||||
setApplicationSubmissionContext(context);
|
||||
|
||||
Map<SubClusterId, AtomicLong> counter = new HashMap<>();
|
||||
for (SubClusterIdInfo id : getPolicyInfo().getRouterPolicyWeights()
|
||||
.keySet()) {
|
||||
counter.put(id.toId(), new AtomicLong(0));
|
||||
}
|
||||
|
||||
float numberOfDraws = 1000000;
|
||||
float numberOfDraws = 100000;
|
||||
|
||||
for (float i = 0; i < numberOfDraws; i++) {
|
||||
SubClusterId chosenId = ((FederationRouterPolicy) getPolicy())
|
||||
@ -113,8 +118,8 @@ public void testClusterChosenWithRightProbability() throws YarnException {
|
||||
Assert.assertTrue(
|
||||
"Id " + counterEntry.getKey() + " Actual weight: " + actualWeight
|
||||
+ " expected weight: " + expectedWeight,
|
||||
expectedWeight == 0 || (actualWeight / expectedWeight) < 1.1
|
||||
&& (actualWeight / expectedWeight) > 0.9);
|
||||
expectedWeight == 0 || (actualWeight / expectedWeight) < 1.2
|
||||
&& (actualWeight / expectedWeight) > 0.8);
|
||||
} else {
|
||||
Assert
|
||||
.assertTrue(
|
||||
|
||||
Loading…
Reference in New Issue
Block a user