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questdb

QuestDB is a high performance, open-source, time-series database

GitHubquestdb.com
capital-marketscppdatabasefinancial-analysisgrafanajavakdblow-latencymarket-dataolapparquetpostgresqlquestdbreal-time-analyticssimdsqltick-datatime-seriestime-series-databasetsdb
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5,162commits
196contributors
17languages

Tech stack & purpose

QuestDB is a high-performance, open-source time-series database built in C++ and Java, designed for real-time analytics and low-latency processing of market data and financial tick data. The project includes tooling for integration with PostgreSQL, Kafka, and benchmarking frameworks, as well as support for standard SQL queries, Parquet format, and visualization with Grafana. The repository contains release automation procedures using Maven and Docker, and includes comprehensive benchmarking guides using the Time Series Benchmark Suite with data in InfluxDB line protocol format.

Community & reference links

Languages

Java
91.9%
Rust
4.8%
C++
2.4%
Assembly
0.3%
C
0.3%
Python
0.1%
Shell
0.1%
JavaScript
0.0%
Go
0.0%
CMake
0.0%
C#
0.0%
PHP
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Dockerfile
0.0%
HTML
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R
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Makefile
0.0%
DTrace
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Contributors (top 30 of 196)