Github user pluppens commented on a diff in the pull request:
https://github.com/apache/flink/pull/5845#discussion_r187084563
--- Diff:
flink-connectors/flink-connector-pulsar/src/main/java/org/apache/flink/streaming/connectors/pulsar/PulsarProduceMode.java
---
@@ -0,0 +1,36 @@
+/*
+ * 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.streaming.connectors.pulsar;
+
+/**
+ * The supported producing modes of operation for flink's pulsar producer.
+ */
+public enum PulsarProduceMode {
+
+ /**
+ * Any produce failures will be ignored hence there could be data loss.
+ */
+ AT_MOST_ONCE,
+
+ /**
+ * The producer will ensure that all the events are persisted in pulsar.
+ * There could be duplicate events written though.
+ */
+ AT_LEAST_ONE,
--- End diff --
Is this is intentional? `AT_LEAST_ONCE` seems more appropriate?
---
