TLDR Tech / Data
Diskless Kafka: What Happens When Brokers Stop Owning the Data?
Diskless Kafka keeps the Kafka API while moving durable payload storage from broker-owned logs to object storage and strongly consistent metadata. The tradeoff is not just cheaper retention: batching, offset assignment, recovery, compaction, latency, and feature support all change, making diskless topics a per-workload storage choice rather than a universal Kafka replacement.
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