InfluxDB is an open - source time - series database widely used in IoT, DevOps, and analytics. It's optimized for handling large volumes of time - stamped data with high write and query throughput. It supports SQL - like queries, offers data retention policies, and has a built - in monitoring and alerting system. InfluxDB also integrates well with other tools, making it easy to visualize and analyze data, helping businesses make informed decisions based on real - time and historical data.