Amazon DynamoDB table
CloudWatch Application Insights supports the following metrics:
SystemErrors
UserErrors
ConsumedReadCapacityUnits
ConsumedWriteCapacityUnits
ReadThrottleEvents
WriteThrottleEvents
TimeToLiveDeletedItemCount
ConditionalCheckFailedRequests
TransactionConflict
ReturnedRecordsCount
PendingReplicationCount
ReplicationLatency