How Does Kafka Offsets And Flink Checkpoints Work Together?
2024年3月7日 · The relationship between Kafka offsets and Flink checkpoints confusing me. So Kafka stores the offset of the last message you've read. On top of that Flink has the …
Dynamically create and change Kafka topics with Flink
2018年8月20日 · Flink 1.5 (FlinkKafkaConsumer09) added support for dynamic partition discovery & topic discovery based on regex. This means that the Flink-Kafka consumer can pick up new …
Flink, how to set parallelism properly when using multiple Kafka …
2019年3月13日 · 3. kafka partitions > flink parallelism. When there are more Kafka partitions than Flink tasks, Flink consumer instances will subscribe to multiple partitions at the same time: In …
Access Kafka Metadata in Apache Flink DataStream API
2024年1月19日 · How can i access Kafka metadata when creating source using Apache Flink DataStream Connectors for Kafka ?, i notice in Apache Flink Table API Connector for Kafka, …
How to integrate Kafka and Flink in Python? - Stack Overflow
2022年12月12日 · I am trying to develop a test Flink application that reads from and writes to a Kafka topic. However, I have been getting this error: start writing data to kafka Traceback …
Kafka & Flink duplicate messages on restart - Stack Overflow
2016年9月13日 · These offsets were committed to ZK / Kafka the first time you executed the job. They however are not used for Flink's exactly-once semantics; Flink uses internally …
Generate "fake" stream data. Kafka - Flink - Stack Overflow
2018年8月20日 · or Are you trying to test Flink-Kafka connector capabilities. In this case, you need only one producer, few internal scenarios could be back pressure test by making …
How to access/read kafka topic data from flink? - Stack Overflow
2017年2月1日 · In order read data from Kafka topics, first you need add Flink -Kafka connector dependency. <dependency> <groupId>org.apache.flink</groupId> <artifactId>flink-connector …
java - Flink - Failed to get metadata for topics exception while ...
2022年4月8日 · I have setup flink operator and kafka on minikube (both are on different namespaces). I am trying to consume messages from a kafka topic in flink and do some …
apache kafka - Flink 1.13.2: `ProducerFencedException: Producer ...
2021年11月11日 · You configure your Flink Kafka producer with exactly once semantic, and you have multiple Flink jobs writing to the same Kafka broker, please make sure that Task names …