advancedKafka409 of 469
Tuning Kafka throughput: find bottlenecks before Kafka, pick producer and consumer optimizations, and prove a 40% gain.
Tests whether you look upstream of Kafka first (serialization cost, network, the producing application itself) before tuning batch.size/linger.ms on the producer and fetch.min.bytes/max.poll.records on the consumer, and whether you'd benchmark before/after rather than just claiming an improvement.
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