[GitHub] [flink] tillrohrmann commented on a change in pull request #10946: [FLINK-15763][Runtime] Running TM checks only necessary resource cofig, set to default for local execution

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tillrohrmann commented on a change in pull request #10946: [FLINK-15763][Runtime] Running TM checks only necessary resource cofig, set to default for local execution
URL: https://github.com/apache/flink/pull/10946#discussion_r370944239
 
 

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 File path: flink-runtime/src/main/java/org/apache/flink/runtime/taskexecutor/TaskExecutorResourceUtils.java
 ##########
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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.flink.runtime.taskexecutor;
+
+import org.apache.flink.annotation.VisibleForTesting;
+import org.apache.flink.api.common.resources.CPUResource;
+import org.apache.flink.configuration.ConfigOption;
+import org.apache.flink.configuration.Configuration;
+import org.apache.flink.configuration.IllegalConfigurationException;
+import org.apache.flink.configuration.MemorySize;
+import org.apache.flink.configuration.ReadableConfig;
+import org.apache.flink.configuration.TaskManagerOptions;
+import org.apache.flink.runtime.clusterframework.types.ResourceProfile;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * Utility class for {@link TaskExecutorResourceSpec} of running {@link TaskExecutor}.
+ */
+public class TaskExecutorResourceUtils {
+	private static final Logger LOG = LoggerFactory.getLogger(TaskExecutorResourceUtils.class);
+
+	static final List<ConfigOption<?>> CONFIG_OPTIONS = Arrays.asList(
+		TaskManagerOptions.CPU_CORES,
+		TaskManagerOptions.TASK_HEAP_MEMORY,
+		TaskManagerOptions.TASK_OFF_HEAP_MEMORY,
+		TaskManagerOptions.NETWORK_MEMORY_MIN,
+		TaskManagerOptions.NETWORK_MEMORY_MAX,
+		TaskManagerOptions.MANAGED_MEMORY_SIZE
+	);
+
+	private static final List<ConfigOption<?>> UNUSED_CONFIG_OPTIONS = Arrays.asList(
+		TaskManagerOptions.TOTAL_PROCESS_MEMORY,
+		TaskManagerOptions.TOTAL_FLINK_MEMORY,
+		TaskManagerOptions.FRAMEWORK_HEAP_MEMORY,
+		TaskManagerOptions.FRAMEWORK_OFF_HEAP_MEMORY,
+		TaskManagerOptions.JVM_METASPACE,
+		TaskManagerOptions.JVM_OVERHEAD_MIN,
+		TaskManagerOptions.JVM_OVERHEAD_MAX,
+		TaskManagerOptions.JVM_OVERHEAD_FRACTION
+	);
+
+	static final MemorySize DEFAULT_SHUFFLE_MEMORY_SIZE = MemorySize.parse("64m");
+	static final MemorySize DEFAULT_MANAGED_MEMORY_SIZE = MemorySize.parse("128m");
+
+	private TaskExecutorResourceUtils() {}
+
+	static TaskExecutorResourceSpec resourceSpecFromConfig(Configuration config) {
+		try {
+			checkTaskExecutorResourceConfigSet(config);
+		} catch (IllegalConfigurationException e) {
+			throw new IllegalConfigurationException("Failed to create TaskExecutorResourceSpec", e);
+		}
+		return new TaskExecutorResourceSpec(
+			new CPUResource(config.getDouble(TaskManagerOptions.CPU_CORES)),
+			config.get(TaskManagerOptions.TASK_HEAP_MEMORY),
+			config.get(TaskManagerOptions.TASK_OFF_HEAP_MEMORY),
+			config.get(TaskManagerOptions.NETWORK_MEMORY_MIN),
+			config.get(TaskManagerOptions.MANAGED_MEMORY_SIZE)
+		);
+	}
+
+	private static void checkTaskExecutorResourceConfigSet(Configuration config) {
+		CONFIG_OPTIONS.forEach(option -> checkConfigOptionIsSet(config, option));
+		checkTaskExecutorNetworkConfigSet(config);
+	}
+
+	private static void checkTaskExecutorNetworkConfigSet(ReadableConfig config) {
+		if (!config.get(TaskManagerOptions.NETWORK_MEMORY_MIN).equals(config.get(TaskManagerOptions.NETWORK_MEMORY_MAX))) {
+			throw new IllegalConfigurationException(
+				"The network memory min (%s) and max (%s) mismatch, " +
+					"the network memory has to be fixed after task executor has started",
+				config.get(TaskManagerOptions.NETWORK_MEMORY_MIN),
+				config.get(TaskManagerOptions.NETWORK_MEMORY_MAX));
+		}
+	}
 
 Review comment:
   Is this condition required? If min and max are not equal, then we should be able to take any value from the specified range (e.g. the minimum).

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