Topics / #olap

Olap projects on GitHub

Analytical databases optimized for fast queries over large columnar datasets.

As of , the most-starred Olap projects on GitHub are ClickHouse (50.5K stars), duckdb (42.2K stars) and doris (16.1K stars). GitHub.Locker tracks 9 Olap repositories with 164.2K stars combined. The fastest-growing on October 16 was duckdb, with +23 stars in a day.

9Projects
164.2KStars in total
+54Stars in a day

Hot right now

Most stars gained in a day · Oct 16

The all-time top

9 projects · by stars

  1. #1 · ClickHouse/ClickHouse

    ClickHouse

    ClickHouse is an open-source column-oriented database management system for generating analytical data reports in real time.

    50.5K
  2. #2 · duckdb/duckdb

    duckdb

    DuckDB is a high-performance analytical SQL database system, designed to be fast, reliable, portable and easy to use, with a rich SQL dialect that goes far beyond basic SQL.

    42.2K
  3. #3 · apache/doris

    doris

    Apache Doris is an open-source, real-time analytics and search database built on MPP architecture. It serves fast SQL analytics, lakehouse query acceleration, and hybrid search across structured, text, and vector data.

    16.1K
  1. 4

    druid

    14.1Kapache/druid · Java

    Apache Druid is a high-performance real-time analytics database built to reduce the time between data arriving and being queryable, so dashboards and ad-hoc queries stay fast even under high concurrency.

  2. 5

    trino

    13.3Ktrinodb/trino · Java

    Trino is a fast distributed SQL query engine for big data analytics — you run it as a server (or cluster) and query large datasets with standard SQL. It was formerly known as PrestoSQL.

  3. 6

    starrocks

    12.2KStarRocks/starrocks · Java

    StarRocks is an open-source, high-performance query engine for sub-second, ad-hoc analytics on data warehouses and data lakes, built as a Linux Foundation project.

  4. 7

    oceanbase

    10.3Koceanbase/oceanbase · C++

    OceanBase Database is a distributed relational database developed entirely by Ant Group. It runs on a cluster of commodity servers and uses Paxos to provide high availability and linear scalability.

  5. 8

    pgrust

    5.3Kmalisper/pgrust · Rust

    pgrust is a from-scratch reimplementation of PostgreSQL in Rust, built to be wire- and SQL-dialect compatible with Postgres while being faster than both Postgres and ClickHouse.

  6. 9

    walshadow

    242ClickHouse/walshadow · Rust

    walshadow replicates PostgreSQL rows into ClickHouse by reading the physical WAL — initial load, continuous changes, schema evolution, restarts, and planned source switchover are all part of the flow.

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