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https://issues.apache.org/jira/browse/FLINK-6996?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16073283#comment-16073283
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ASF GitHub Bot commented on FLINK-6996:
---------------------------------------
Github user tzulitai commented on a diff in the pull request:
https://github.com/apache/flink/pull/4206#discussion_r125411974
--- Diff:
flink-connectors/flink-connector-kafka-base/src/test/java/org/apache/flink/streaming/connectors/kafka/KafkaTestEnvironment.java
---
@@ -80,6 +82,12 @@ public void createTestTopic(String topic, int
numberOfPartitions, int replicatio
public abstract <T> FlinkKafkaConsumerBase<T> getConsumer(List<String>
topics, KeyedDeserializationSchema<T> readSchema, Properties props);
+ public abstract <K, V> Collection<ConsumerRecord<K, V>>
getAllRecordsFromTopic(
+ Properties properties,
+ String topic,
+ int partition,
+ long timeout);
--- End diff --
nit: the indentation pattern is inconsistent with the other abstract method
declarations here.
> FlinkKafkaProducer010 doesn't guarantee at-least-once semantic
> --------------------------------------------------------------
>
> Key: FLINK-6996
> URL: https://issues.apache.org/jira/browse/FLINK-6996
> Project: Flink
> Issue Type: Bug
> Components: Kafka Connector
> Affects Versions: 1.2.0, 1.3.0, 1.2.1, 1.3.1
> Reporter: Piotr Nowojski
> Assignee: Piotr Nowojski
>
> FlinkKafkaProducer010 doesn't implement CheckpointedFunction interface. This
> means, when it's used like a "regular sink function" (option a from [the java
> doc|https://ci.apache.org/projects/flink/flink-docs-master/api/java/org/apache/flink/streaming/connectors/kafka/FlinkKafkaProducer010.html])
> it will not flush the data on "snapshotState" as it is supposed to.
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