QuestDB Cloud - Fast SQL time-series database

Unleashing the Power of QuestDB: A Revolution in Time Series Databases

In the dynamic world of data management, the need for lightning-fast time-series databases has never been greater. As businesses strive to harness the potential of real-time analytics, traditional databases often fall short. Founded in 2019, QuestDB, with its headquarters nestled in the vibrant tech hub of London, United Kingdom, has emerged as a game-changer in the realm of time-series data management. But what makes QuestDB stand out? How does it solve the persistent problems faced by businesses when dealing with time-series data? Join us on a journey to explore the genesis, innovations, and real-world applications of QuestDB.

Who Are the Visionaries Behind QuestDB?

Before delving into the intricacies of QuestDB, let's meet the brilliant minds that brought this groundbreaking startup to life:

Nicolas Hourcard - The CEO Extraordinaire

Nicolas Hourcard, the Co-founder and CEO of QuestDB, brings a wealth of experience to the table. Prior to QuestDB, he honed his skills in corporate strategy and mergers and acquisitions at fintech startups and investment banks. With a vision to revolutionize time-series databases, Nicolas embarked on a journey that led to the birth of QuestDB.

Vlad Ilyushchenko - The Technology Maverick

Vlad Ilyushchenko, the Co-founder and CTO of QuestDB, is a seasoned software engineer. With a remarkable tenure spanning over two decades in the field of electronic trading, Vlad's expertise forms the technological backbone of QuestDB. His commitment to innovation laid the foundation for the startup's ambitious goals.

Now that we've met the driving forces behind QuestDB, let's explore the company's groundbreaking solutions and their impact on the data management landscape.

How QuestDB is Revolutionizing Time-Series Data Management

The Problem: Time-Series Databases Reimagined

Traditional time-series databases, such as InfluxDB, have long grappled with performance issues, especially when dealing with high cardinality datasets. Moreover, their proprietary query languages, like Flux, have made them less user-friendly. For businesses relying on databases like Postgres, MySQL, or MongoDB, scaling up for time-series data and analytics often becomes a Herculean task. Ingestion and query performance suffer, leading to bottlenecks in data-driven decision-making.

The Solution: QuestDB's Ingenious Approach

QuestDB has been meticulously crafted from the ground up to cater exclusively to time-series data workloads. The data is inherently indexed by timestamp and partitioned by time, making queries a breeze. What truly sets QuestDB apart is its support for standard SQL queries, alongside a range of time-series SQL extensions for tasks like time interval searches, downsampling, and retrieving the latest record.

The results are staggering. QuestDB boasts an impressive ingestion speed that can reach up to 4 million rows per second per instance. Even queries over colossal datasets comprising billions of rows execute in the blink of an eye. The advantages are manifold:

Lower Hardware Requirements and Cost Savings: QuestDB's efficiency translates into reduced hardware costs, a boon for businesses aiming to optimize their infrastructure expenditures.

High Throughput Ingestion: It can effortlessly handle high throughput data ingestion from multiple sources, making it the go-to choice for businesses dealing with a deluge of real-time data.

Reactive Applications and Real-Time Dashboards: QuestDB's lightning-fast query performance empowers businesses to build reactive applications and real-time dashboards that provide instantaneous insights.

QuestDB Cloud: Taking Time-Series Databases to New Heights

QuestDB's innovation doesn't stop at its open-source offering. QuestDB Cloud, a fully hosted time-series database, has made its mark as a game-changer in cloud-based data management. The platform provides a plethora of features, including:

Security: QuestDB Cloud ensures data security with support for TLS, authentication, and Single Sign-On (SSO).

Data Compression: Businesses can enjoy significant cost savings with data compression, reducing storage costs by 3x to 5x.

Role-Based Access Control (RBAC): Fine-tune data access with RBAC, allowing you to create roles and permissions at a column level (an imminent release).

High Availability: The promise of high availability is on the horizon, making QuestDB Cloud even more resilient.

Cold Storage Integration: For long-term data retention, QuestDB is set to integrate cold storage, further enhancing its versatility.

Seamless Integration with Existing Ecosystems

QuestDB's versatility extends to its compatibility with a wide array of data tools and platforms. It seamlessly integrates with:

InfluxDB Line Protocol: Making it an easy switch for users of InfluxDB, ensuring a smooth transition.

Postgres Wire Protocol: QuestDB's compatibility with Postgres Wire Protocol opens up a world of possibilities for integration with various data visualization and analytics tools.

Grafana, Superset, Telegraf, Kafka, Flink, Spark, Cube, MindsDB: Whether you're using popular data visualization tools or streaming platforms, QuestDB has you covered.

Real-World Applications and Stellar Clientele

Now that we've explored QuestDB's ingenious solutions, it's time to discover the real-world use cases where QuestDB shines:

Financial Tick Data (Crypto, Fintech)

The fast-paced world of finance relies on real-time data for critical decision-making. QuestDB's ability to handle high-throughput ingestion and lightning-fast queries makes it indispensable for financial institutions, including heavyweights like OKx and FalconX.

Sensor Data and IoT (Energy, Batteries, Space Exploration, Shipping)

The Internet of Things (IoT) generates a colossal volume of sensor data. QuestDB's efficiency in handling massive datasets finds applications in industries ranging from energy and batteries to space exploration and shipping, with Airbus and Copenhagen Atomics leading the way.

Application Monitoring (API Calls, Database Latency, User Events)

In the digital era, application performance monitoring is paramount. QuestDB's real-time capabilities empower businesses to monitor API calls, database latency, and user events, enhancing the overall user experience.

Cybersecurity (Network Traffic Monitoring)

Protecting against cyber threats requires real-time monitoring of network traffic. QuestDB's speed and efficiency make it a valuable asset for cybersecurity teams.

E-commerce Analytics

E-commerce businesses thrive on data-driven insights. QuestDB's ability to handle high cardinality datasets and complex queries positions it as an ideal solution for e-commerce analytics.

A Diverse Clientele - From Giants to Startups

QuestDB's impact is not limited to industry giants; startups, too, have embraced its capabilities. Let's take a glimpse at some of the notable companies that have chosen QuestDB:

Giants Leveraging QuestDB:

Yahoo: A household name in the digital world, Yahoo relies on QuestDB for its data management needs.

Airbus: The aviation industry giant trusts QuestDB for efficient data handling.

NetApp: A leader in data management solutions, NetApp's partnership with QuestDB underscores its commitment to cutting-edge technology.

Innovative Startups Powered by QuestDB:

Motion (YC): A Y Combinator-backed startup, Motion leverages QuestDB to fuel its growth and innovation.

Invezo (YC): Another Y Combinator success story, Invezo, relies on QuestDB for its time-series data requirements.

Beacons (YC): Beacons, a Y Combinator alum, finds QuestDB's performance and scalability vital for its operations.

Syndica, Prediko, Electric Era, Aargo Trade, Artisthub, Northshore, Haruko: A multitude of startups spanning various industries have chosen QuestDB to drive their data-driven decisions.


QuestDB, the brainchild of Nicolas Hourcard and Vlad Ilyushchenko, has redefined time-series data management. With its lightning-fast ingestion, query performance, and a wide range of features, it has become the go-to choice for businesses across diverse industries, from financial giants to innovative startups. As the digital landscape continues to evolve, QuestDB stands as a testament to what visionary thinking and unwavering commitment to excellence can achieve. Whether you're a data-driven giant or a nimble startup, QuestDB opens the doors to a new era of data management possibilities. Explore QuestDB today and unlock the full potential of your time-series data.