Github user tillrohrmann commented on a diff in the pull request:
https://github.com/apache/flink/pull/2808#discussion_r89366523
--- Diff:
flink-yarn/src/main/java/org/apache/flink/yarn/YarnResourceManager.java ---
@@ -0,0 +1,551 @@
+/*
+ * 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.flink.yarn;
+
+import org.apache.flink.api.java.tuple.Tuple2;
+import org.apache.flink.configuration.ConfigConstants;
+import org.apache.flink.configuration.Configuration;
+import org.apache.flink.runtime.clusterframework.ApplicationStatus;
+import org.apache.flink.runtime.clusterframework.BootstrapTools;
+import
org.apache.flink.runtime.clusterframework.ContaineredTaskManagerParameters;
+import org.apache.flink.runtime.clusterframework.types.ResourceID;
+import org.apache.flink.runtime.clusterframework.types.ResourceProfile;
+import org.apache.flink.runtime.highavailability.HighAvailabilityServices;
+import org.apache.flink.runtime.metrics.MetricRegistry;
+import org.apache.flink.runtime.resourcemanager.JobLeaderIdService;
+import org.apache.flink.runtime.resourcemanager.ResourceManager;
+import
org.apache.flink.runtime.resourcemanager.ResourceManagerConfiguration;
+import
org.apache.flink.runtime.resourcemanager.exceptions.ResourceManagerException;
+import
org.apache.flink.runtime.resourcemanager.slotmanager.SlotManagerFactory;
+import org.apache.flink.runtime.rpc.FatalErrorHandler;
+import org.apache.flink.runtime.rpc.RpcService;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.io.DataOutputBuffer;
+import org.apache.hadoop.security.Credentials;
+import org.apache.hadoop.security.UserGroupInformation;
+import org.apache.hadoop.yarn.api.ApplicationConstants;
+import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
+import org.apache.hadoop.yarn.api.records.Priority;
+import org.apache.hadoop.yarn.api.records.Resource;
+import org.apache.hadoop.yarn.api.records.ContainerStatus;
+import org.apache.hadoop.yarn.api.records.Container;
+import org.apache.hadoop.yarn.api.records.ContainerLaunchContext;
+import org.apache.hadoop.yarn.api.records.NodeReport;
+import org.apache.hadoop.yarn.api.records.LocalResource;
+import org.apache.hadoop.yarn.client.api.AMRMClient;
+import org.apache.hadoop.yarn.client.api.NMClient;
+import org.apache.hadoop.yarn.client.api.async.AMRMClientAsync;
+import org.apache.hadoop.yarn.conf.YarnConfiguration;
+import org.apache.hadoop.yarn.util.Records;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import scala.concurrent.duration.FiniteDuration;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.util.Map;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Collections;
+import java.util.UUID;
+import java.util.concurrent.TimeUnit;
+
+import static org.apache.flink.yarn.YarnConfigKeys.ENV_FLINK_CLASSPATH;
+
+/**
+ * The yarn implementation of the resource manager. Used when the system
is started
+ * via the resource framework YARN.
+ */
+public class YarnResourceManager extends ResourceManager<ResourceID>
implements AMRMClientAsync.CallbackHandler {
+ protected final Logger LOG = LoggerFactory.getLogger(getClass());
+
+ /** The process environment variables */
+ private final Map<String, String> ENV;
+
+ /** The heartbeat interval while the resource master is waiting for
containers */
+ private static final int FAST_YARN_HEARTBEAT_INTERVAL_MS = 500;
+
+ /** The default heartbeat interval during regular operation */
+ private static final int DEFAULT_YARN_HEARTBEAT_INTERVAL_MS = 5000;
+
+ /** The maximum time that TaskExecutors may be waiting to register at
the ResourceManager before they quit */
+ private static final FiniteDuration TASKEXECUTOR_REGISTRATION_TIMEOUT =
new FiniteDuration(5, TimeUnit.MINUTES);
+
+ /** Environment variable name of the final container id used by the
YarnResourceManager.
+ * Container ID generation may vary across Hadoop versions. */
+ final static String ENV_FLINK_CONTAINER_ID = "_FLINK_CONTAINER_ID";
+
+ /** Environment variable name of the hostname used by the Yarn.
+ * TaskExecutor use this host name to start port. */
--- End diff --
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