5 Things Every Apache Kafka Developer Should Know

• kafkacat

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  Discontinued Generic command line non-JVM Apache Kafka producer and consumer [Moved to: https://github.com/edenhill/kcat]

From the code above, you can see that to process the headers, simply use the ConsumerRecord.headers() method to return the headers. In our example above, we’re printing the headers out to the console for demonstration purposes. Once you have access to the headers, you can process them as needed. For reading headers from the command line, KIP-431 adds support for optionally printing headers from the ConsoleConsumer, which will be available in the Apache Kafka 2.7.0 release.You can also use kafkacat to view headers from the command line. Here’s an example command:

• InfluxDB

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