tweise commented on a change in pull request #7099: [FLINK-10887] [jobmaster] Add source watermark tracking to the JobMaster URL: https://github.com/apache/flink/pull/7099#discussion_r235234375
########## File path: flink-runtime/src/main/java/org/apache/flink/runtime/watermark/SourceWatermark.java ########## @@ -0,0 +1,68 @@ +/* + * 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.watermark; + +import java.io.Serializable; + +/** + * This represents the watermark for a single source partition. + */ +public class SourceWatermark implements Serializable { Review comment: I could imagine scenarios where different sources have different synchronization. That could be supported with a grouping mechanism for the tasks that participate in the watermark sync. The RPC would pass the group/namespace identifier as additional parameter and only get back the watermark for that (hash table would remain internal). ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services