greenDAO is a light & fast ORM solution for Android that maps objects to SQLite databases.
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The world's fastest open query engine for sub-second analytics both on and off the data lakehouse. With the flexibility to support nearly any scenario, StarRocks provides best-in-class performance for multi-dimensional analytics, real-time analytics, and ad-hoc queries. A Linux Foundation project.
Hazelcast is a unified real-time data platform combining stream processing with a fast data store, allowing customers to act instantly on data-in-motion for real-time insights.
- java
- hazelcast
- in-memory
- big-data
MapDB provides concurrent Maps, Sets and Queues backed by disk storage or off-heap-memory. It is a fast and easy to use embedded Java database engine.
OrientDB is the most versatile DBMS supporting Graph, Document, Reactive, Full-Text and Geospatial models in one Multi-Model product. OrientDB can run distributed (Multi-Master), supports SQL, ACID Transactions, Full-Text indexing and Reactive Queries.
- orientdb
- graph-database
- document-database
- dbms
💡Extremely fast enterprise server framework, can be used in RPC, game server, web server.
- netty
- serialization
- game-server
- spring
An easy-to-use BI server built for SQL lovers. Power data analysis in SQL and gain faster business insights.
Ultra-fast SQL-like queries on Java collections
Fast scalable time series database
- kairosdb
- java
- timeseries-database
- metrics
Fast and Easy mapping from database and csv to POJO. A java micro ORM, lightweight alternative to iBatis and Hibernate. Fast Csv Parser and Csv Mapper
Fast and storage-efficient spatial database engine for OpenStreetMap data
A production-grade HBase ORM library that makes accessing HBase clean, fast and fun (Can also be used as Bigtable ORM)
- hbase
- orm
- mapreduce
- object-mapping