Github user zentol commented on a diff in the pull request:
https://github.com/apache/flink/pull/4271#discussion_r125938448
--- Diff:
flink-clients/src/main/java/org/apache/flink/client/deployment/ClusterSpecification.java
---
@@ -0,0 +1,81 @@
+/*
+ * 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.client.deployment;
+
+import org.apache.flink.configuration.ConfigConstants;
+import org.apache.flink.configuration.Configuration;
+import org.apache.flink.configuration.JobManagerOptions;
+import org.apache.flink.configuration.TaskManagerOptions;
+
+/**
+ * Description of the cluster to start by the {@link ClusterDescriptor}.
+ */
+public class ClusterSpecification {
+ private final int masterMemoryMB;
+ private final int taskManagerMemoryMB;
+ private final int numberTaskManagers;
+ private final int slotsPerTaskManager;
+
+ public ClusterSpecification(int masterMemoryMB, int
taskManagerMemoryMB, int numberTaskManagers, int slotsPerTaskManager) {
+ this.masterMemoryMB = masterMemoryMB;
+ this.taskManagerMemoryMB = taskManagerMemoryMB;
+ this.numberTaskManagers = numberTaskManagers;
+ this.slotsPerTaskManager = slotsPerTaskManager;
+ }
+
+ public int getMasterMemoryMB() {
+ return masterMemoryMB;
+ }
+
+ public int getTaskManagerMemoryMB() {
+ return taskManagerMemoryMB;
+ }
+
+ public int getNumberTaskManagers() {
+ return numberTaskManagers;
+ }
+
+ public int getSlotsPerTaskManager() {
+ return slotsPerTaskManager;
+ }
+
+ @Override
+ public String toString() {
+ return "ClusterSpecification{" +
+ "masterMemoryMB=" + masterMemoryMB +
+ ", taskManagerMemoryMB=" + taskManagerMemoryMB +
+ ", numberTaskManagers=" + numberTaskManagers +
+ ", slotsPerTaskManager=" + slotsPerTaskManager +
+ '}';
+ }
+
+ public static ClusterSpecification fromConfiguration(Configuration
configuration) {
+ int slots =
configuration.getInteger(ConfigConstants.TASK_MANAGER_NUM_TASK_SLOTS, 1);
+
+ int jobManagerMemoryMb =
configuration.getInteger(JobManagerOptions.JOB_MANAGER_HEAP_MEMORY);
+ int taskManagerMemoryMb =
configuration.getInteger(TaskManagerOptions.TASK_MANAGER_HEAP_MEMORY);
+
+
--- End diff --
remove 2nd empty line
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