Producers
Producers append events with a key that chooses the partition.
What you will be able to do
- Keys map to partitions.
- Acks control durability.
- Idempotence avoids duplicates.
In plain English
Producers append events with a key that chooses the partition.
- Keys map to partitions.
- Acks control durability.
- Idempotence avoids duplicates.
producer.send(new ProducerRecord<>("lessons", "css", "{\"minutes\":18}"));Your turn
EasyExplain it back
Answer from memory: What does the key control?
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Knowledge checkQuestion 1
What does the key control?
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