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OLAP server Issue Tracking System Roadmap Source code Apache Doris Apache Doris– Github Issues: Apache Doris Roadmap: Open Apache Druid: Druid – Github Issues: Open Apache Kylin: Jira: Apache Kylin Roadmap: Open Apache Pinot: Apache Pinot – Github Issues: Open ClickHouse: ClickHouse – Github Issues: ClickHouse Roadmap: Open Essbase ...
Cubes is a light-weight open source multidimensional modelling and OLAP toolkit for development reporting applications and browsing of aggregated data written in Python programming language released under the MIT License.
Apache Doris is an open-source real-time analytical database based on MPP architecture. It can support both high-concurrency point query scenarios and high-throughput complex analysis. [31] Apache Druid is a popular open-source distributed data store for OLAP queries that is used at scale in production by various organizations.
Pentaho Analysis Services, codenamed Mondrian, is an open-source OLAP (online analytical processing) server, written in Java. It supports the MDX (multidimensional expressions) query language and the XML for Analysis and olap4j interface specifications. It reads from SQL and other data sources and aggregates data in a memory cache. Mondrian can ...
Apache Kylin is an open source distributed analytics engine designed to provide a SQL interface and multi-dimensional analysis (OLAP) on Hadoop and Alluxio supporting extremely large datasets. It was originally developed by eBay, and is now a project of the Apache Software Foundation. [3]
The first analytics product at LinkedIn to use Pinot was a redesign of the social networking site's feature that allows members to see who has viewed their profile in real-time. The project was open-sourced in June 2015 under an Apache 2.0 license and was donated to the Apache Software Foundation by LinkedIn in June 2019. [9] [8]
ClickHouse was widely adopted at Yandex including for Yandex.Tank load testing tool and Yandex.Market to monitor site accessibility and KPIs. In 2016, the ClickHouse project was released as open-source software under the Apache 2 license in June 2016 to power analytical use cases around the globe.
Mondrian is an open source OLAP (online analytical processing) server, written in Java. It supports the MDX (multidimensional expressions) query language and the XML for Analysis and olap4j interface specifications. It reads from SQL and other data sources and aggregates data in a memory cache. Mondrian is used for: