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Java反射调用接口,图文详解!

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# 一、对Kafka的认识 **1.Kafka的基本概念** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278252777435.jpg) **2.安装与配置** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278253133234.jpg) **3.生产与消费** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278254431073.jpg) **4.服务端参数配置** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278255562804.jpg) # 二、生产者 **1.客户端开发** * 必要的参数配置 * 消息的发送 * 序列化 * 分区器 * 生产者拦截器 ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278256278662.jpg) **2.原理分析** * 整体架构 * 元数据的更新 ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278257877241.jpg) **3.重要的生产者参数** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278257225870.jpg) # 三、消费者 **1.消费者与消费组** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278258111268.jpg) **2.客户端开发** * 必要的参数配置 * 订阅主题与分区 * 反序列化 * 消息消费 * 位移提交 * 控制或关闭消费 * 指定位移消费 * 再均衡 * 消费者拦截器 * 多线程实现 * 重要的消费者参数 ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278259263859.jpg) # 四、主题与分区 **1.主题的管理** * 创建主题 * 分区副本的分配 * 查看主题 * 修改主题 * 配置管理 * 主题端参数 * 删除主题 ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278260418826.jpg) **2.初识KafkaAdminCilent** * 基本使用 * 主题合法性验证 ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278261273097.jpg) **3.分区的管理** * 优先副本的选举 * 分区重分配 * 复制限流 * 修改副本因子 ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278261399349.jpg) **4.如何选择合适的分区数** * 性能测试工具 * 分区数越多吞吐量就越高吗 * 分区数的上限 * 考量因素 ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278263864594.jpg) # 五、日志存储 **1.文件目录布局** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278264118225.jpg) **2.日志格式的演变** * v0版本 * v1版本 * 消息压缩 * 变长字段 * v2版本 ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278265829503.jpg) **3.日志索引** * 偏移量索引 * 时间戳索引 ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278266567472.jpg) **4.日志清理** * 日志删除 * 日志压缩 ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278267225940.jpg) **5.磁盘存储** * 页缓存 * 磁盘I/O流程 * 零拷贝 ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278267571690.jpg) # 六、深入服务端 **1.协议设计** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278268884023.jpg) **2.时间轮** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278269457390.jpg) **3.延时操作** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278270918873.jpg) **4.控制器** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278271472670.jpg) **5.参数解密** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278271834956.jpg) # 七、深入客户端 **1.分区分配策略** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278272663865.jpg) **2.消费者协调器和组协调器** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278273504165.jpg) **3._consumer_offsets剖析** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278273824228.jpg) **4.事务** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278274444761.jpg) # 八、可靠性探究 **1.副本剖析** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278275649949.jpg) **2.日志同步机制** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278276528026.jpg) **3.可靠性分析** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278276772600.jpg) # 九、Kafka应用 **1.命令行工具** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278277275335.jpg) **2.Kafka Connect** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278278959047.jpg) **3.Kafka Mirror Maker** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278279954552.jpg) **4.Kafka Streams** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278280974145.jpg) # 十、Kafka监控 **1.监控数据的来源** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278281899179.jpg) **2.消费滞后** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278282529062.jpg) **3.同步失效分区** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278283338651.jpg) **4.监控指标说明** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278284291459.jpg) **5.监控模块** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278285651029.jpg) # 十一、高级应用 **1.过期时间(TTL)** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278286126409.jpg) **2.延时队列** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278287599386.jpg) **3.死信队列和重试队列** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278287935809.jpg) **4.消息路由** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278288267306.jpg) **5.消息轨迹** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278289521649.jpg) **6.消息审计** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278290144434.jpg) **7.消息代理** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278291319434.jpg) **8.消息中间件选型** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278292100012.jpg) # 十二、Kafka与Spark的集成 **1.Spark的安装及简单应用** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278292287122.jpg) **2.Spark编程模型** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278294879623.jpg) **3.Spark的运行结构** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278294580065.jpg) **4.Spark Streaming简介** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278295560612.jpg) **5.Kafka与Spark Streaming的整合** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278296823278.jpg) **6.Spark SQL** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278296747107.jpg) **7.Structured Streaming** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278297299492.jpg) **8.Kafka与Structured Streaming的整合** ![image](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278298745630.jpg) # 总结 三个工作日收到了offer,头条面试体验还是很棒的,这次的头条面试好像每面技术都问了我算法,然后就是中间件、MySQL、Redis、Kafka、网络等等。 **如果你对下面我说的这些笔记感兴趣,可以点赞+关注后,[戳这里即可免费领取](https://docs.qq.com/doc/DSmxTbFJ1cmN1R2dB)** * **第一个是算法** 关于算法,我觉得最好的是刷题,作死的刷的,多做多练习,加上自己的理解,还是比较容易拿下的。 而且,**我貌似是将《算法刷题LeetCode中文版》、《算法的乐趣》大概都过了一遍,尤其是这本** **《算法刷题LeetCode中文版》总共有15个章节:编程技巧、线性表、字符串、栈和队列、树、排序、查找、暴力枚举法、广度优先搜索、深度优先搜索、分治法、贪心法、动态规划、图、细节实现题** ![最新出炉,头条三面技术四面HR,看我如何一步一步攻克面试官?](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278298116298.jpg) **《算法的乐趣》共有23个章节:** ![最新出炉,头条三面技术四面HR,看我如何一步一步攻克面试官?](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278298436556.jpg) ![最新出炉,头条三面技术四面HR,看我如何一步一步攻克面试官?](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278299766258.jpg) * **第二个是Redis、MySQL、kafka(给大家看下我都有哪些复习笔记)** 基本上都是面试真题解析、笔记和学习大纲图,感觉复习也就需要这些吧(个人意见) ![最新出炉,头条三面技术四面HR,看我如何一步一步攻克面试官?](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278299179252.jpg) * **第三个是网络(给大家看一本我之前得到的《JAVA核心知识整理》包括30个章节分类,这本283页的JAVA核心知识整理还是很不错的,一次性总结了30个分享的大知识点)** ![最新出炉,头条三面技术四面HR,看我如何一步一步攻克面试官?](http://www.www.zyiz.net/i/li/?n=2&i=images/20210703/1625278300398719.jpg)
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