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This week, get the scoop on what’s new in Apache Kafka 3.6 (spoilers: Tiered Storage and a grace period for stream-table joins!), learn why building queues on top of logs makes a lot of sense, discover how you can contribute to and engage with the Apache Flink community, get a tip for using the Kafka Storage tool, and plenty more. Enjoy!
This week, we'll learn about the Kafka storage tool. You can use it to generate a cluster UUID and then format the storage when you're running Kafka in KRaft mode.
First, you need to use the tool to generate a random UUID:
bin/kafka-storage.sh random-uuid d5999679-ba23-4816-8363-0f67e28ae6e1
Using the tool ensures that it'll be a type 4 UUID not matching the internal Kafka UUIDs.
Next up, format your cluster with the id, passing in the path to your server.properties:
bin/kafka-storage.sh format -t d5999679-ba23-4816-8363-0f67e28ae6e1 -c config/kraft/server.properties
and that's it!
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