Design patterns implemented in Java

Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas

强大易用的开源建站工具。

阿里云计算平台DataWorks(https://help.aliyun.com/document_detail/137663.html) 团队出品，为监控而生的数据库连接池

大数据入门指南 ⭐

flink learning blog. http://www.54tianzhisheng.cn/ 含 Flink 入门、概念、原理、实战、性能调优、源码解析等内容。涉及 Flink Connector、Metrics、Library、DataStream API、Table API & SQL 等内容的学习案例，还有 Flink 落地应用的大型项目案例（PVUV、日志存储、百亿数据实时去…

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

Mybatis通用分页插件

Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)

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 …

👑 LeetCode of algorithms with java solution(updating).

Apache Iceberg

Kafka Web UI

Linux运维监控工具，支持系统硬件信息，内存，CPU，温度，磁盘空间及IO，硬盘smart，GPU，防火墙，网络流量速率等监控，服务接口监测，大屏展示，拓扑图，端口监控，进程监控，docker监控，日志监控，文件防篡改，数据库监控，指令批量下发执行，web ssh，Linux面板(探针)，告警，SNMP监测，K8S，Redis，Nginx，Kafka，资产管理，计划任务，密码管理，工作笔记

🚁🚀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。

Alink is the Machine Learning algorithm platform based on Flink, developed by the PAI team of Alibaba computing platform.

Apache Parquet Java

Graphical SFTP client and terminal emulator with helpful utilities

HiBench is a big data benchmark suite.

Dr. Elephant is a job and flow-level performance monitoring and tuning tool for Apache Hadoop and Apache Spark

Apache Polaris, the interoperable, open source catalog for Apache Iceberg

A Spring Boot JWT starter kit for stateless and token-based authentication apps.

Apache ORC - the smallest, fastest columnar storage for Hadoop workloads

A cross-platform online judge system based on Spring MVC framework and ActiveMQ.

The scala-maven-plugin (previously maven-scala-plugin) is used for compiling/testing/running/documenting scala code in maven.

Multi-DBMS SQL Benchmarking Framework via JDBC

A production-grade java implementation of paxos consensus algorithm

Spark Terasort

The Catla Project