Distributed Systems01
Kafka Internals — Part 1
What really happens after producer.send()? A deep dive into the Kafka producer pipeline, batching, networking and broker communication.
Nov 2026Read article
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Distributed SystemsNov 2026Featured article
Kafka Internals — Part 1
What really happens after producer.send()? A deep dive into the Kafka producer pipeline, batching, networking and broker communication.
Read the articleExplore the internals
Inside the producerKAFKA
01
Producer
Application sends a record
02
Serialization
Key and value are serialized
03
Record accumulator
Records are grouped into batches
04
Broker
Batches are sent to the cluster
From send() to broker
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Kafka Cluster Architecture: Brokers, Controller, Metadata, ZooKeeper & KRaft
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When Concurrent Transactions Go Wrong
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