Which AWS service is designed as a purpose-built time-series database to store and analyze trillions of events each day?

Amazon Timestream is a fast, scalable, and serverless time-series database service specifically designed to store and analyze trillions of events per day. Its architecture is optimized for time-series data, making it efficient for IoT applications, operational analytics, and application monitoring. Amazon Neptune is a graph database, used for highly connected datasets. Amazon Forecast is a machine learning service that uses historical data to generate accurate forecasts. Amazon DocumentDB is a document database compatible with MongoDB, suitable for flexible, semi-structured data.