Amazon RDS vs InfluxDB

Amazon Relational Database Service (RDS) is a managed database service from AWS that supports MySQL, PostgreSQL, MariaDB, Oracle, SQL Server, and Db2 engines. It automates hardware provisioning, database setup, patching, and backups with options for Multi-AZ deployments and read replicas.

InfluxDB is a databases tool that time-series database purpose-built for storing and querying timestamped metrics, events, and iot data. It is open source software.