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  • KIP-351: Add --under-min-isr option to describe topics command

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keep the discussion on the mailing list rather than commenting on the wiki (wiki discussions get unwieldy fast).PR


The "min.insync.replicas" configuration specifies the minimum number of insync replicas required for a partition to accept messages from the producer. If the insync replica count of a partition falls under the specified "min.insync.replicas", then the broker will reject messages for producers using acks=all. These producers will suffer unavailability as they will see a NotEnoughReplicas or NotEnoughReplicasAfterAppend exception.