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Assume that I have a 3 node cluster RP running on K8s. RP is using the local disk of node for storage. An admin decides to update the nodegroup running the RP cluster and updates nodes 1 at a time.
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Redpanda's health API (as used in The health API and associated metrics are used to ensure that redpanda node replacements are done safely:
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Redpanda's health API (as used in
rpk cluster health
) will report an unhealthy status when any partitions are under replicated. In the example above, partitions will be under-replicated after step 1, until all data has re-replicated to the replacement redpanda node.The health API and associated metrics are used to ensure that redpanda node replacements are done safely: