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aws emr set-unhealthy-node-replacement

Specify whether to enable unhealthy node replacement, which lets Amazon EMR gracefully replace core nodes on a cluster if any nodes become unhealthy. AWS CLI reference

2 options Its page in the AWS CLI reference

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Options

2 in the AWS CLI reference
--cluster-idsThe list of strings that uniquely identify the clusters for which to turn on unhealthy node replacement.
--unhealthy-node-replacementIndicates whether to turn on or turn off graceful unhealthy node replacement.