Open minkukjo opened 3 months ago
Kafka so far doesn't limit you on the number of topics you can create in a Kafka Cluster. However, its advised not to go beyond 2–4k partitions per broker. This is because of dependency on zookeeper for leader election. The more partitions you have, the greater is the overhead on the zookeeper.
With Kafka's new KRaft mode, which entirely removes ZooKeeper from Kafka's architecture, a Kafka cluster can handle millions of topics/partitions
As of nats-server v0.8.0, there is no hard limit on the maximum number of subjects.
NATS is a connective technology that powers modern distributed systems.
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