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ajvm

A hobby jvm, just want to know how a java virtual machine works.

bashlex

Python parser for bash

book

:books: All programming languages books

calcite

Apache Calcite

catalyst

Spark SQL Catalyst Optimizer API Demo

chinese-poetry

The most comprehensive database of Chinese poetry 🧶最全中华古诗词数据库, 唐宋两朝近一万四千古诗人, 接近5.5万首唐诗加26万宋诗. 两宋时期1564位词人，21050首词。

columbia

An efficient database query optimizer for large complex join queries

coolplayspark

酷玩 Spark: Spark 源代码解析、Spark 类库等

cuckoofilter4j

High performance Java implementation of a Cuckoo filter - Apache Licensed

digandburied

挖坑与填坑

druid

Apache Druid: a high performance real-time analytics database.

druid-operator

Druid Kubernetes Operator

essential-jvm

深入理解JVM的笔记总结

fastfilter_java

Fast Approximate Membership Filters (Java)

flink-forward-china-2018

Flink Forward China 2018 Slides

flink-learning

flink learning blog. http://www.54tianzhisheng.cn

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。

flink_tutorial

追源锁骥-flink框架源码核心解读

frostruan.github.io

h2database

H2 is an embeddable RDBMS written in Java.

hbase

Apache HBase

java

✏️ 计算机基础☕️ Java👫 面向对象📝 编程题💾 数据库🔨 消息队列📖 系统设计💻 工具🙊 大数据🔧 进阶指南

jjvm

A java-based JVM. 用Java实现的JAVA虚拟机，用于演示 JVM 的原理。非常简单，实际上简单得只够运行HelloWorld。虽然简单，但尽量符合 JVM 标准。

jsch

Mirror of JSch from JCraft.

kraps-rpc

A RPC framework leveraging Spark RPC module

lealone

微服务 OLTP 关系数据库一体化

metascala

A JVM written in Scala

mini-spring

mini-spring是简化版的spring框架，能帮助你快速熟悉spring源码和掌握spring的核心原理。抽取了spring的核心逻辑，代码极度简化，保留spring的核心功能，如IoC和AOP、资源加载器、事件监听器、类型转换、容器扩展点、bean生命周期和作用域、应用上下文等核心功能。

minibase

An embedded KV storage engine for learning HBase

netty-http-server

It is a HTTP server based on NIO framework Netty that provide handle HTTP requests and store information about them in the data base.