xinzhuxiansheng/blog-notes

Issues

• Flink CDC 2.x 无锁实现是如何实现全增量恰好一次的读

  #80 opened 8 months ago by en-hui
  3

• 如何判断一个Flink SQL 是否是回撤流

  #79 opened a year ago by xinzhuxiansheng
  0

• 一个执行时间很长的update会影响到普通 select执行吗 操作的是同一张表并且都能命中相同的索引

  #78 opened a year ago by xinzhuxiansheng
  0

• 增量 log 有很多，单个 reader 的压力很大，也是可以并行读取增量 log 吗？

  #77 opened a year ago by xinzhuxiansheng
  0

• 表的分割数量怎么确定？步长怎么确定？如果全量数据比较大的时候，同时又在同时又变更频繁，把增量 merge 到全量这个效率和结束时间怎么保证？

  #76 opened a year ago by xinzhuxiansheng
  0

• 最新开源版本的kafka是否可以直接在ARM服务器上部署？

  #75 opened a year ago by xinzhuxiansheng
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• Flink CDC 整库同步 方案

  #74 opened a year ago by xinzhuxiansheng
  0

• bookie 的 ledger盘不回收，有方法解决么？

  #73 opened a year ago by xinzhuxiansheng
  0

• RocketMQ5.1.x 把老的logging模块移除了，新版本要如何指定日志配置文件路径和文件名？

  #72 opened a year ago by xinzhuxiansheng
  0

• Flink 开发模拟数据流

  #71 opened a year ago by xinzhuxiansheng
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• initializeNewPublishers: the loader is still catching up because we still don't know the high water mark yet

  #70 opened a year ago by xinzhuxiansheng
  0

• pulsar的topic分租户后，有办法统一订阅所有租户下相应的主题么？

  #69 opened a year ago by xinzhuxiansheng
  0

• Spring Boot 如何采集自身Metrics，满足服务监控

  #68 opened a year ago by xinzhuxiansheng
  0

• RenentrantLock 为什么这里查找唤醒的节点是从后往前，而不是从前往后呢？

  #67 opened 2 years ago by xinzhuxiansheng
  0

• MySQL的ACID是靠什么来保障的？

  #66 opened 2 years ago by xinzhuxiansheng
  0

• Kafka 事务是如何工作的？

  #65 opened 2 years ago by xinzhuxiansheng
  0

• Flink SQL你在使用时做过哪些优化，请描述具体场景以你在使用时做过哪些优化，请描述具体场景以 及解决方案及解决方案

  #64 opened 2 years ago by xinzhuxiansheng
  0

• 谈谈JDBC SQL Connector如何实现数据的幂等写入如何实现数据的幂等写入

  #63 opened 2 years ago by xinzhuxiansheng
  0

• 谈谈Upsert Kafka SQL Connector的实现原的实现原理

  #62 opened 2 years ago by xinzhuxiansheng
  0

• 你在进行数据清洗过程中，比如说要进行数据库的访问， 那么你是如何提升效率的？那么你是如何提升效率的？

  #61 opened 2 years ago by xinzhuxiansheng
  0

• 使用wm时的注意事项有哪些？结合场景讲解时的注意事项有哪些？结合场景讲解?

  #60 opened 2 years ago by xinzhuxiansheng
  0

• 数据乱序&延迟你在生产上是如何解决的延迟你在生产上是如何解决?

  #59 opened 2 years ago by xinzhuxiansheng
  0

• 如何从大量数据中找出高频词？(在1G大小的文件中，找出高频top100的单词)

  #55 opened 2 years ago by xinzhuxiansheng
  0

• 如何从大量的 URL 中找出相同的 URL？

  #54 opened 2 years ago by xinzhuxiansheng
  2

• 如何在大量的数据中判断一个数是否存在？

  #58 opened 2 years ago by xinzhuxiansheng
  0

• 如何查询最热门的查询串？

  #57 opened 2 years ago by xinzhuxiansheng
  0

• 如何找出某一天访问百度网站最多的 IP？

  #56 opened 2 years ago by xinzhuxiansheng
  0

• Redis数据如何与MySQL保持一致性？

  #53 opened 2 years ago by xinzhuxiansheng
  0

• Redis雪崩，击穿，穿透如何解决？

  #52 opened 2 years ago by xinzhuxiansheng
  0

• Redis的BigKey，MoreKey，HotKey问题，如何处理？

  #51 opened 2 years ago by xinzhuxiansheng
  0

• Redis的持久化方式介绍下，RDB和AOF有什么区别？

  #50 opened 2 years ago by xinzhuxiansheng
  0

• Redis的跳表解决了哪些问题？

  #49 opened 2 years ago by xinzhuxiansheng
  0

• Redis的哨兵机制，主观下线和客观下线有什么区别？

  #48 opened 2 years ago by xinzhuxiansheng
  0

• 导致MySQL自增值不连续的原因有哪些？

  #47 opened 2 years ago by xinzhuxiansheng
  0

• RocketMQ怎么实现分布式消息事务的？半消息？

  #44 opened 2 years ago by xinzhuxiansheng
  0

• RocketMQ与Kafka不同点？

  #46 opened 2 years ago by xinzhuxiansheng
  0

• RocketMQ如何保证消息顺序消费？

  #45 opened 2 years ago by xinzhuxiansheng
  0

• RocketMQ怎么实现延时消息的？

  #43 opened 2 years ago by xinzhuxiansheng
  0

• RocketMQ如何确保幂等性？

  #42 opened 2 years ago by xinzhuxiansheng
  0

• JVM堆(Heap)为什么会有两块幸存者区S0和S1？

  #41 opened 2 years ago by xinzhuxiansheng
  0

• JVM 如何查看用的是哪个垃圾收集器

  #40 opened 2 years ago by xinzhuxiansheng
  0

• G1 的Region查看当前的设置

  #39 opened 2 years ago by xinzhuxiansheng
  0

• G1的大对象分配是如何分配的？

  #38 opened 2 years ago by xinzhuxiansheng
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• User user= new User() 在JVM中是如何存储的

  #37 opened 2 years ago by xinzhuxiansheng
  0

• Mapper接口动态代理实现逻辑？

  #32 opened 2 years ago by xinzhuxiansheng
  0

• 模糊查询like语句该怎么写?

  #35 opened 2 years ago by xinzhuxiansheng
  0

• Mybatis是否支持延迟加载？原理？

  #36 opened 2 years ago by xinzhuxiansheng
  0

• 实体类属性名和表中字段名不一样 ，怎么办?

  #34 opened 2 years ago by xinzhuxiansheng
  0

• MyBatis是如何进行分页的？分页插件的原理是什么？

  #33 opened 2 years ago by xinzhuxiansheng
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• 说说Mybatis的一级、二级缓存？

  #31 opened 2 years ago by xinzhuxiansheng
  0