QuestDB

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High-performance time series database

What it does

QuestDB is a high-performance open source database for the most demanding workloads. Native support for Parquet, Iceberg and SQL keeps your data portable, AI-ready, without vendor lock-in. QuestDB is designed from the ground up to operate as close to the hardware as possible - eliminating ingestion bottlenecks and lowering overall hardware requirements. QuestDB powers mission-critical infrastructure for companies in Capital Markets, Crypto, Space Exploration, Energy and Robotics/Physical AI.

Its site says now · captured 2026-08-23

QuestDB | Low-latency time-series database on open formats

QuestDB is the open-source time-series database for demanding workloads: ultra-low latency, high throughput, tiered storage, and fast SQL on open formats.

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