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Learn how to use ConditionExpression in DynamoDB UpdateItem to prevent race conditions and ensure attributes are updated only when they match an expected value or are absent.
Atomic counter increments using UpdateItem ADD may encounter unexpected throttling When performing high-throughput atomic counter increments with the ADD operation in DynamoDB, applications can experience throttling that does not align with provisioned throughput expectations. The ADD operation is documented as atomic, but under sustained write loads exceedi
dynamodb