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Even in the case where network traffic is not accounted; we believe that the operational benefits of Diskless topics are still appealing to Kafka users, for example:

• Cluster scalability increases when less data is required to be stored on disks and rebalanced between brokers.
• Object storages normally have better durability than local disks.

Multiple protocol-compatible alternatives to Apache Kafka now use object storage to fully replace direct replication and substantially lower the cost to operate a cluster on a hyperscaler cloud. These alternatives are finding market success and their adoption is rising, showing a general market interest in this optimization.

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