如果你在从事大数据BI的工作，想对比一下MySQL、GreenPlum、Elasticsearch、Hive、Spark SQL、Presto、Impala、Drill、HAWQ、Druid、Pinot、Kylin、ClickHouse、Kudu等不同实现方案之间的表现，那你就需要一份标准的数据进行测试，这个开源项目就是为了生成这样的标准数据。

debezium

Change data capture for a variety of databases. Please log issues at https://issues.redhat.com/browse/DBZ.

druid

阿里巴巴数据库事业部出品，为监控而生的数据库连接池。阿里云Data Lake Analytics(https://www.aliyun.com/product/datalakeanalytics )、DRDS、TDDL 连接池powered by Druid

flink

Apache Flink

flink-cdc-connectors

CDC Connectors for Apache Flink®

flink-hairless-notes

Apache Flink Hairless Notes

flink-recommandsystem-demo

:helicopter::rocket:基于Flink实现的商品实时推荐系统。flink统计商品热度，放入redis缓存，分析日志信息，将画像标签和实时记录放入Hbase。在用户发起推荐请求后，根据用户画像重排序热度榜，并结合协同过滤和标签两个推荐模块为新生成的榜单的每一个产品添加关联产品，最后返回新的用户列表。

hive-tools

hudi

Upserts, Deletes And Incremental Processing on Big Data.

hutool

A set of tools that keep Java sweet.

ignite

Apache Ignite

incubator-kyuubi

Apache Kyuubi is a distributed multi-tenant JDBC server for large-scale data processing and analytics, built on top of Apache Spark

incubator-seatunnel

SeaTunnel is a distributed, high-performance data integration platform for the synchronization and transformation of massive data (offline & real-time).