Java Olap

Open-source Java projects categorized as Olap
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Topics: Database SQL Analytics Big Data Dbms
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Top 5 Java Olap Projects

  • doris

    Apache Doris is an easy-to-use, high performance and unified analytics database.

    • Project mention: Variant in Apache Doris 2.1.0: a new data type 8 times faster than JSON for semi-structured data analysis | dev.to | 2024-03-27

    As an open-source real-time data warehouse, Apache Doris provides semi-structured data processing capabilities, and the newly-released version 2.1.0 makes a stride in this direction. Before V2.1, Apache Doris stores semi-structured data as JSON files. However, during query execution, the real-time parsing of JSON data leads to high CPU and I/O consumption in addition to high query latency, especially when the dataset is huge and complicated. Moreover, the lack of a pre-defined schema means there is no handle for query optimization.

  • starrocks

    StarRocks, a Linux Foundation project, is a next-generation sub-second MPP OLAP database for full analytics scenarios, including multi-dimensional analytics, real-time analytics, and ad-hoc queries. InfoWorld’s 2023 BOSSIE Award for best open source software.

    • Project mention: A MySQL compatible database engine written in pure Go | news.ycombinator.com | 2024-04-09

    tidb has been around for a while, it is distributed, written in Go and Rust, and MySQL compatible. https://github.com/pingcap/tidb

    Somewhat relatedly, StarRocks is also MySQL compatible, written in Java and C++, but it's tackling OLAP use-cases. https://github.com/StarRocks/starrocks

  • InfluxDB

    Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

    InfluxDB logo

  • Crate

    CrateDB is a distributed and scalable SQL database for storing and analyzing massive amounts of data in near real-time, even with complex queries. It is PostgreSQL-compatible, and based on Lucene.

    • Project mention: FLaNK AI - 01 April 2024 | dev.to | 2024-04-01

  • mondrian

    Mondrian is an Online Analytical Processing (OLAP) server that enables business users to analyze large quantities of data in real-time.

  • doris-flink-connector

    Flink Connector for Apache Doris

    • Project mention: Auto-Synchronizing an Entire MySQL Database for Data Analysis | dev.to | 2023-09-01

    Download JAR file: https://github.com/apache/doris-flink-connector/releases/tag/1.4.0

  • SaaSHub

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NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

Java Olap related posts

  • Variant in Apache Doris 2.1.0: a new data type 8 times faster than JSON for semi-structured data analysis

    2 projects | dev.to | 27 Mar 2024

  • StarRocks – sub-second MPP OLAP database for full analytics scenarios

    1 project | news.ycombinator.com | 23 Jan 2024

  • Log Analysis: Elasticsearch VS Apache Doris

    1 project | dev.to | 16 Oct 2023

  • Auto-Synchronizing an Entire MySQL Database for Data Analysis

    1 project | dev.to | 1 Sep 2023

  • Replacing Apache Hive, Elasticsearch, and PostgreSQL With Apache Doris

    1 project | dev.to | 24 Jul 2023

  • Apache Doris 2.0 Beta Now Available: Faster, Stabler, and More Versatile

    1 project | dev.to | 5 Jul 2023

  • A/B Testing was a handful

    2 projects | /r/datascience | 8 Jun 2023
  • A note from our sponsor - InfluxDB
    www.influxdata.com | 19 May 2024
    Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality. Learn more →

Index

What are some of the best open-source Olap projects in Java? This list will help you:

Project Stars
1 doris 11,504
2 starrocks 7,983
3 Crate 3,970
4 mondrian 1,122
5 doris-flink-connector 283

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