Download QuestDB

Open source under the Apache 2.0 license. Select your platform and download instantly.

Why QuestDB?

Built for the most demanding workloads, where throughput and latency are critical.

Performance

Ingestion Speed

8M+rows/sec

Ultra-fast ingestion, with a robust library of clients and protocols.

Query Latency

<10ms

Lightning-fast SQL queries with vectorized execution engine

QuestDB Wire Protocol

High-speed columnar ingress and egress that replaces the text-based protocol.

Unlimited Cardinality

No artificial limits on unique values in your time-series data

Memory Efficiency

Low baseline: memory scales with working set only, not total data size.

Ease of Use

SQL Primitives

Standard SQL plus SAMPLE BY, ASOF, HORIZON JOIN and N-dimensional arrays.

Simple Deployment

Single binary, Docker, Kubernetes, or package managers

Web Console

Built-in web interface for data exploration and query execution

Data Formats & Integration

Parquet Storage

Parquet format for data portability and cost-effective storage

PostgreSQL

Supports PostgreSQL Wire Protocol with existing tools and drivers.

Get started in
under 60 seconds.

Star on GitHub QuestDB Enterprise

Aerospace

Airbus monitors fleet data

Processes billions of data points daily. With QuestDB's ingestion performance, Airbus provides real-time monitoring and predictive maintenance for mission critical components.

Massive scale: Billions of daily data points processed efficiently

"QuestDB is used at Airbus for real-time applications involving billions of data points per day. For us, QuestDB is an outstanding solution that meets (and exceeds) our performance requirements."

Oliver Pfeiffer·Airbus

Software Architect

Capital Markets

BTG Pactual powers market data APIs

Latin America's largest investment bank delivers low-latency market data APIs for equities and derivatives trading with millisecond response times.

Lightning fast: Market data APIs respond within milliseconds

"QuestDB has become the standard for data aggregation. QuestDB has proven itself to be lightning fast, fast enough to help us when providing raw live intraday trading data through our set of APIs within a few milliseconds."

Renan Avila·BTG Pactual

Director

Financial Technology

AI for trading insights

Award winning Financial AI analytics platform helps investors make better trading decisions. Achieved 10x faster queries with 75% less hardware after migrating from InfluxDB.

Resource optimization: 4x reduction in hardware requirements with better performance

"We switched from InfluxDB to QuestDB to get queries that are on average 300x faster utilizing 1/4 of the hardware, without ever overtaxing our servers."

Armenak Mayalian·Reflexivity

CTO

Read Reflexivity's case study