Status: IN
The three key CloudWatch metrics for DynamoDB-to-KDS replication health are `ThrottledPutRecordCount`, `AgeOfOldestUnreplicatedRecord`, and `FailedToReplicateRecordCount`.
Source: entries/2026/03/11/amazondynamodb-latest-developerguide-kds_using-shards-and-metricshtml.md