QuestDB

QuestDB is an open-source, high-performance time-series database designed for real-time analytics on large volumes of time-stamped data. It features a SQL interface with time-series extensions, columnar storage, and native vectorized query execution, optimized for operational data and financial…

Key facts

First appeared
2020
Category
database
Problem solved
QuestDB was created to solve the problem of performing high-throughput ingestion and low-latency analytical queries on time-series data, specifically addressing the limitations of existing relational databases (performance for time-series) and specialized time-series databases (often lacking SQL or comprehensive analytical features, or having steep learning curves). It aims to provide enterprise-grade performance and features with a developer-friendly SQL interface.
Platforms
Windows, Docker, Linux, web, macOS, Kubernetes

Related technologies

Notable users

  • Major financial institutions (unspecified public references due to privacy)
  • Cloudflare (internal usage reported by community)
  • Various startups and data-intensive applications in IoT, FinTech, DevOps, and Observability sectors.
  • Onehouse (utilizes QuestDB for specific use cases)