/* * 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.configuration; import org.apache.flink.annotation.PublicEvolving; @PublicEvolving public class CoreOptions { // ------------------------------------------------------------------------ // process parameters // ------------------------------------------------------------------------ public static final ConfigOption<String> FLINK_JVM_OPTIONS = ConfigOptions .key("env.java.opts") .defaultValue(""); public static final ConfigOption<String> FLINK_JM_JVM_OPTIONS = ConfigOptions .key("env.java.opts.jobmanager") .defaultValue(""); public static final ConfigOption<String> FLINK_TM_JVM_OPTIONS = ConfigOptions .key("env.java.opts.taskmanager") .defaultValue(""); // ------------------------------------------------------------------------ // program // ------------------------------------------------------------------------ public static final ConfigOption<Integer> DEFAULT_PARALLELISM_KEY = ConfigOptions .key("parallelism.default") .defaultValue(-1); // ------------------------------------------------------------------------ // checkpoints / fault tolerance // ------------------------------------------------------------------------ public static final ConfigOption<String> STATE_BACKEND = ConfigOptions .key("state.backend") .noDefaultValue(); /** The maximum number of completed checkpoint instances to retain.*/ public static final ConfigOption<Integer> MAX_RETAINED_CHECKPOINTS = ConfigOptions .key("state.checkpoints.num-retained") .defaultValue(1); }