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😮 Core Interview Questions & Answers For Experienced Java(Backend) Developers | 互联网 Java 工程师进阶知识完全扫盲：涵盖高并发、分布式、高可用、微服务、海量数据处理等领域知识
advanced-javadistributed-search-enginedistributed-systemsdoocsdubboelasticsearcheurekafeignhigh-availabilityhigh-concurrencyhystrixjavamessage-queuemicroservices-architectureredisribbonrpcspring-cloudspringcloud-configzookeeper
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*Total -- 10,891.80kb -> 4,161.03kb (61.8%) /img/get-up-and-study.png -- 845.84kb -> 33.06kb (96.09%) /img/where-is-my-offer.png -- 728.61kb -> 41.73kb (94.27%) /img/favicon-16x16.png -- 20.15kb -> 1.23kb (93.91%) /docs/high-availability/img/favicon-16x16.png -- 20.15kb -> 1.23kb (93.91%) /docs/high-concurrency/img/favicon-16x16.png -- 20.15kb -> 1.23kb (93.91%) /docs/distributed-system/img/favicon-16x16.png -- 20.15kb -> 1.23kb (93.91%) /img/favicon-32x32.png -- 22.97kb -> 2.41kb (89.5%) /docs/high-availability/img/favicon-32x32.png -- 22.97kb -> 2.41kb (89.5%) /docs/high-concurrency/img/favicon-32x32.png -- 22.97kb -> 2.41kb (89.5%) /docs/distributed-system/img/favicon-32x32.png -- 22.97kb -> 2.41kb (89.5%) /img/icon.png -- 362.39kb -> 74.26kb (79.51%) /docs/high-availability/img/icon.png -- 362.39kb -> 74.26kb (79.51%) /docs/high-concurrency/img/icon.png -- 362.39kb -> 74.26kb (79.51%) /docs/distributed-system/img/icon.png -- 362.39kb -> 74.26kb (79.51%) /docs/high-availability/img/mysql-master-slave.png -- 24.21kb -> 9.22kb (61.92%) /img/mysql-master-slave.png -- 24.21kb -> 9.22kb (61.92%) /docs/high-concurrency/img/mysql-master-slave.png -- 24.21kb -> 9.22kb (61.92%) /docs/distributed-system/img/mysql-master-slave.png -- 24.21kb -> 9.22kb (61.92%) /docs/high-availability/img/rabbitmq-order-1.png -- 28.91kb -> 11.57kb (59.97%) /img/rabbitmq-order-1.png -- 28.91kb -> 11.57kb (59.97%) /docs/distributed-system/img/rabbitmq-order-1.png -- 28.91kb -> 11.57kb (59.97%) /img/rabbitmq-order-02.png -- 20.69kb -> 8.50kb (58.89%) /docs/high-concurrency/img/rabbitmq-order-02.png -- 20.69kb -> 8.50kb (58.89%) /docs/high-availability/img/rabbitmq-order-2.png -- 29.01kb -> 12.17kb (58.05%) /img/rabbitmq-order-2.png -- 29.01kb -> 12.17kb (58.05%) /docs/distributed-system/img/rabbitmq-order-2.png -- 29.01kb -> 12.17kb (58.05%) /docs/high-availability/img/dubbo-spi.png -- 25.79kb -> 10.83kb (58.01%) /img/dubbo-spi.png -- 25.79kb -> 10.83kb (58.01%) /docs/high-concurrency/img/dubbo-spi.png -- 25.79kb -> 10.83kb (58.01%) /docs/distributed-system/img/dubbo-spi.png -- 25.79kb -> 10.83kb (58.01%) /img/rabbitmq-order-01.png -- 17.85kb -> 7.53kb (57.8%) /docs/high-concurrency/img/rabbitmq-order-01.png -- 17.85kb -> 7.53kb (57.8%) /img/es-write-detail.png -- 64.63kb -> 27.42kb (57.57%) /docs/high-availability/img/es-write-detail.png -- 64.63kb -> 27.42kb (57.57%) /docs/distributed-system/img/es-write-detail.png -- 64.63kb -> 27.42kb (57.57%) /docs/high-concurrency/img/es-write-detail.png -- 64.63kb -> 27.42kb (57.57%) /img/kafka-order-02.png -- 38.64kb -> 16.72kb (56.73%) /docs/high-concurrency/kafka-order-02.png -- 38.64kb -> 16.72kb (56.73%) /docs/high-concurrency/img/kafka-order-02.png -- 38.64kb -> 16.72kb (56.73%) /img/e-commerce-website-detail-page-architecture-1.png -- 18.53kb -> 8.16kb (55.97%) /docs/high-availability/img/e-commerce-website-detail-page-architecture-1.png -- 18.53kb -> 8.16kb (55.97%) /docs/distributed-system/img/e-commerce-website-detail-page-architecture-1.png -- 18.53kb -> 8.16kb (55.97%) /docs/high-concurrency/img/e-commerce-website-detail-page-architecture-1.png -- 18.53kb -> 8.16kb (55.97%) /img/kafka-order-01.png -- 26.39kb -> 11.72kb (55.58%) /docs/high-concurrency/kafka-order-01.png -- 26.39kb -> 11.72kb (55.58%) /docs/high-concurrency/img/kafka-order-01.png -- 26.29kb -> 11.73kb (55.36%) /docs/high-availability/img/redis-caching-avalanche-solution.png -- 41.95kb -> 18.74kb (55.32%) /docs/distributed-system/img/redis-caching-avalanche-solution.png -- 41.95kb -> 18.74kb (55.32%) /docs/high-concurrency/img/redis-caching-avalanche-solution.png -- 41.95kb -> 18.74kb (55.32%) /img/redis-caching-avalanche-solution.png -- 41.95kb -> 18.74kb (55.32%) /docs/high-availability/img/redis-single-thread-model.png -- 105.48kb -> 47.13kb (55.31%) /img/redis-single-thread-model.png -- 105.48kb -> 47.13kb (55.31%) /docs/distributed-system/img/redis-single-thread-model.png -- 105.48kb -> 47.13kb (55.31%) /docs/high-concurrency/img/redis-single-thread-model.png -- 105.48kb -> 47.13kb (55.31%) /img/distributed-transaction-XA.png -- 13.79kb -> 6.18kb (55.15%) /docs/high-availability/img/distributed-transaction-XA.png -- 13.79kb -> 6.18kb (55.15%) /docs/high-concurrency/img/distributed-transaction-XA.png -- 13.79kb -> 6.18kb (55.15%) /docs/distributed-system/img/distributed-transaction-XA.png -- 13.79kb -> 6.18kb (55.15%) /docs/high-availability/img/redis-master-slave-replication-detail.png -- 47.48kb -> 21.34kb (55.06%) /img/redis-master-slave-replication-detail.png -- 47.48kb -> 21.34kb (55.06%) /docs/distributed-system/img/redis-master-slave-replication-detail.png -- 47.48kb -> 21.34kb (55.06%) /docs/high-concurrency/img/redis-master-slave-replication-detail.png -- 47.48kb -> 21.34kb (55.06%) /img/kafka-order-2.png -- 98.29kb -> 44.59kb (54.63%) /docs/high-availability/img/kafka-order-2.png -- 98.29kb -> 44.59kb (54.63%) /docs/distributed-system/img/kafka-order-2.png -- 98.29kb -> 44.59kb (54.63%) /img/dubbo-not-keep-connection.png -- 10.92kb -> 4.96kb (54.63%) /docs/distributed-system/img/dubbo-not-keep-connection.png -- 10.92kb -> 4.96kb (54.63%) /img/redis-caching-penetration.png -- 25.70kb -> 11.70kb (54.5%) /docs/distributed-system/img/redis-caching-penetration.png -- 25.70kb -> 11.70kb (54.5%) /docs/high-concurrency/img/redis-caching-penetration.png -- 25.70kb -> 11.70kb (54.5%) /docs/high-availability/img/redis-caching-penetration.png -- 25.70kb -> 11.70kb (54.5%) /img/hash-slot.png -- 8.42kb -> 3.85kb (54.27%) /docs/high-availability/img/hash-slot.png -- 8.42kb -> 3.85kb (54.27%) /docs/high-concurrency/img/hash-slot.png -- 8.42kb -> 3.85kb (54.27%) /docs/distributed-system/img/hash-slot.png -- 8.42kb -> 3.85kb (54.27%) /docs/high-availability/img/dubbo-operating-principle.png -- 126.60kb -> 58.27kb (53.97%) /img/dubbo-operating-principle.png -- 126.60kb -> 58.27kb (53.97%) /docs/high-concurrency/img/dubbo-operating-principle.png -- 126.60kb -> 58.27kb (53.97%) /docs/distributed-system/img/dubbo-operating-principle.png -- 126.60kb -> 58.27kb (53.97%) /docs/distributed-system/img/zookeeper-distributed-coordination.png -- 32.18kb -> 14.83kb (53.92%) /img/zookeeper-distributed-coordination.png -- 32.18kb -> 14.83kb (53.92%) /docs/high-availability/img/zookeeper-distributed-coordination.png -- 32.18kb -> 14.83kb (53.92%) /docs/high-concurrency/img/zookeeper-distributed-coordination.png -- 32.18kb -> 14.83kb (53.92%) /docs/high-availability/img/redis-junior-inconsistent.png -- 10.72kb -> 4.95kb (53.87%) /img/redis-junior-inconsistent.png -- 10.72kb -> 4.95kb (53.87%) /docs/distributed-system/img/redis-junior-inconsistent.png -- 10.72kb -> 4.95kb (53.87%) /docs/high-concurrency/img/redis-junior-inconsistent.png -- 10.72kb -> 4.95kb (53.87%) /img/mq-1.png -- 22.51kb -> 10.42kb (53.72%) /docs/high-concurrency/img/mq-1.png -- 22.51kb -> 10.42kb (53.72%) /img/mq-5.png -- 7.94kb -> 3.67kb (53.72%) /docs/high-concurrency/img/mq-5.png -- 7.94kb -> 3.67kb (53.72%) /img/hash.png -- 7.94kb -> 3.68kb (53.6%) /docs/high-availability/img/hash.png -- 7.94kb -> 3.68kb (53.6%) /docs/high-concurrency/img/hash.png -- 7.94kb -> 3.68kb (53.6%) /docs/distributed-system/img/hash.png -- 7.94kb -> 3.68kb (53.6%) /docs/high-availability/img/redis-master-slave.png -- 13.58kb -> 6.32kb (53.49%) /img/redis-master-slave.png -- 13.58kb -> 6.32kb (53.49%) /docs/distributed-system/img/redis-master-slave.png -- 13.58kb -> 6.32kb (53.49%) /docs/high-concurrency/img/redis-master-slave.png -- 13.58kb -> 6.32kb (53.49%) /docs/distributed-system/img/zookeeper-distributed-lock-demo.png -- 30.95kb -> 14.41kb (53.43%) /img/zookeeper-distributed-lock-demo.png -- 30.95kb -> 14.41kb (53.43%) /docs/high-availability/img/zookeeper-distributed-lock-demo.png -- 30.95kb -> 14.41kb (53.43%) /docs/high-concurrency/img/zookeeper-distributed-lock-demo.png -- 30.95kb -> 14.41kb (53.43%) /img/es-search-process.png -- 23.73kb -> 11.07kb (53.35%) /docs/high-availability/img/es-search-process.png -- 23.73kb -> 11.07kb (53.35%) /docs/distributed-system/img/es-search-process.png -- 23.73kb -> 11.07kb (53.35%) /docs/high-concurrency/img/es-search-process.png -- 23.73kb -> 11.07kb (53.35%) /img/kafka-order-1.png -- 64.45kb -> 30.08kb (53.32%) /docs/high-availability/img/kafka-order-1.png -- 64.45kb -> 30.08kb (53.32%) /docs/distributed-system/img/kafka-order-1.png -- 64.45kb -> 30.08kb (53.32%) /img/distributed-transaction-TCC.png -- 32.89kb -> 15.52kb (52.83%) /docs/high-availability/img/distributed-transaction-TCC.png -- 32.89kb -> 15.52kb (52.83%) /docs/distributed-system/img/distributed-transaction-TCC.png -- 32.89kb -> 15.52kb (52.83%) /docs/high-concurrency/img/distributed-transaction-TCC.png -- 32.89kb -> 15.52kb (52.83%) /img/mq-7.png -- 45.31kb -> 21.49kb (52.58%) /docs/high-concurrency/img/mq-7.png -- 45.31kb -> 21.49kb (52.58%) /docs/high-availability/img/dubbo-service-invoke-road.png -- 14.31kb -> 6.81kb (52.44%) /img/dubbo-service-invoke-road.png -- 14.31kb -> 6.81kb (52.44%) /docs/high-concurrency/img/dubbo-service-invoke-road.png -- 14.31kb -> 6.81kb (52.44%) /docs/distributed-system/img/dubbo-service-invoke-road.png -- 14.31kb -> 6.81kb (52.44%) /docs/high-availability/img/redis-master-slave-replication.png -- 16.34kb -> 7.80kb (52.29%) /img/redis-master-slave-replication.png -- 16.34kb -> 7.80kb (52.29%) /docs/distributed-system/img/redis-master-slave-replication.png -- 16.34kb -> 7.80kb (52.29%) /docs/high-concurrency/img/redis-master-slave-replication.png -- 16.34kb -> 7.80kb (52.29%) /img/database-shard-method-1.png -- 35.53kb -> 16.96kb (52.28%) /docs/high-availability/img/database-shard-method-1.png -- 35.53kb -> 16.96kb (52.28%) /docs/high-concurrency/img/database-shard-method-1.png -- 35.53kb -> 16.96kb (52.28%) /docs/distributed-system/img/database-shard-method-1.png -- 35.53kb -> 16.96kb (52.28%) /img/serialize-deserialize.png -- 10.26kb -> 4.90kb (52.21%) /docs/distributed-system/img/serialize-deserialize.png -- 10.26kb -> 4.90kb (52.21%) /docs/distributed-system/img/simple-distributed-system-oa.png -- 33.63kb -> 16.07kb (52.21%) /img/simple-distributed-system-oa.png -- 33.63kb -> 16.07kb (52.21%) /docs/high-availability/img/simple-distributed-system-oa.png -- 33.63kb -> 16.07kb (52.21%) /docs/high-concurrency/img/simple-distributed-system-oa.png -- 33.63kb -> 16.07kb (52.21%) /img/mq-10.png -- 19.13kb -> 9.17kb (52.06%) /docs/high-concurrency/img/mq-10.png -- 19.13kb -> 9.17kb (52.06%) /img/e-commerce-website-detail-page-architecture-2.png -- 34.87kb -> 16.82kb (51.76%) /docs/high-availability/img/e-commerce-website-detail-page-architecture-2.png -- 34.87kb -> 16.82kb (51.76%) /docs/distributed-system/img/e-commerce-website-detail-page-architecture-2.png -- 34.87kb -> 16.82kb (51.76%) /docs/high-concurrency/img/e-commerce-website-detail-page-architecture-2.png -- 34.87kb -> 16.82kb (51.76%) /img/high-concurrency-system-design.png -- 51.45kb -> 24.85kb (51.71%) /docs/high-availability/img/high-concurrency-system-design.png -- 51.45kb -> 24.85kb (51.71%) /docs/high-concurrency/img/high-concurrency-system-design.png -- 51.45kb -> 24.85kb (51.71%) /docs/distributed-system/img/high-concurrency-system-design.png -- 51.45kb -> 24.85kb (51.71%) /img/redis-caching-avalanche.png -- 22.73kb -> 10.99kb (51.64%) /docs/distributed-system/img/redis-caching-avalanche.png -- 22.73kb -> 10.99kb (51.64%) /docs/high-availability/img/redis-caching-avalanche.png -- 22.73kb -> 10.99kb (51.64%) /docs/high-concurrency/img/redis-caching-avalanche.png -- 22.73kb -> 10.99kb (51.64%) /img/database-shard-method-2.png -- 44.94kb -> 21.73kb (51.63%) /docs/high-availability/img/database-shard-method-2.png -- 44.94kb -> 21.73kb (51.63%) /docs/high-concurrency/img/database-shard-method-2.png -- 44.94kb -> 21.73kb (51.63%) /docs/distributed-system/img/database-shard-method-2.png -- 44.94kb -> 21.73kb (51.63%) /img/mq-11.png -- 16.84kb -> 8.15kb (51.59%) /docs/high-concurrency/img/mq-11.png -- 16.84kb -> 8.15kb (51.59%) /docs/distributed-system/img/zookeeper-active-standby.png -- 25.26kb -> 12.24kb (51.54%) /img/zookeeper-active-standby.png -- 25.26kb -> 12.24kb (51.54%) /docs/high-availability/img/zookeeper-active-standby.png -- 25.26kb -> 12.24kb (51.54%) /docs/high-concurrency/img/zookeeper-active-standby.png -- 25.26kb -> 12.24kb (51.54%) /img/distributed-transaction-reliable-message.png -- 82.39kb -> 39.94kb (51.52%) /docs/high-availability/img/distributed-transaction-reliable-message.png -- 82.39kb -> 39.94kb (51.52%) /docs/distributed-system/img/distributed-transaction-reliable-message.png -- 82.39kb -> 39.94kb (51.52%) /docs/high-concurrency/img/distributed-transaction-reliable-message.png -- 82.39kb -> 39.94kb (51.52%) /img/dubbo-keep-connection.png -- 16.35kb -> 7.94kb (51.43%) /docs/distributed-system/img/dubbo-keep-connection.png -- 16.35kb -> 7.94kb (51.43%) /img/es-write.png -- 41.02kb -> 19.93kb (51.42%) /docs/high-availability/img/es-write.png -- 41.02kb -> 19.93kb (51.42%) /docs/distributed-system/img/es-write.png -- 41.02kb -> 19.93kb (51.42%) /docs/high-concurrency/img/es-write.png -- 41.02kb -> 19.93kb (51.42%) /docs/high-availability/img/rabbitmq-message-lose.png -- 33.53kb -> 16.41kb (51.04%) /img/rabbitmq-message-lose.png -- 33.53kb -> 16.41kb (51.04%) /docs/high-concurrency/img/rabbitmq-message-lose.png -- 33.53kb -> 16.41kb (51.04%) /docs/distributed-system/img/rabbitmq-message-lose.png -- 33.53kb -> 16.41kb (51.04%) /docs/distributed-system/img/zookeeper-meta-data-manage.png -- 29.22kb -> 14.36kb (50.88%) /docs/high-availability/img/zookeeper-meta-data-manage.png -- 29.22kb -> 14.36kb (50.88%) /img/zookeeper-meta-data-manage.png -- 29.22kb -> 14.36kb (50.88%) /docs/high-concurrency/img/zookeeper-meta-data-manage.png -- 29.22kb -> 14.36kb (50.88%) /img/distributed-system-request-sequence.png -- 30.32kb -> 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(50.19%) /docs/high-availability/img/zookeeper-centralized-storage.png -- 7.69kb -> 3.83kb (50.19%) /docs/high-concurrency/img/zookeeper-centralized-storage.png -- 7.69kb -> 3.83kb (50.19%) /docs/distributed-system/img/zookeeper-distributed-lock.png -- 16.94kb -> 8.46kb (50.1%) /docs/high-availability/img/zookeeper-distributed-lock.png -- 16.94kb -> 8.46kb (50.1%) /img/zookeeper-distributed-lock.png -- 16.94kb -> 8.46kb (50.1%) /docs/high-concurrency/img/zookeeper-distributed-lock.png -- 16.94kb -> 8.46kb (50.1%) /img/mq-3.png -- 15.94kb -> 8.00kb (49.84%) /docs/high-concurrency/img/mq-3.png -- 15.94kb -> 8.00kb (49.84%) /docs/high-availability/img/redis-redlock.png -- 8.84kb -> 4.44kb (49.78%) /img/redis-redlock.png -- 8.84kb -> 4.44kb (49.78%) /docs/distributed-system/img/redis-redlock.png -- 8.84kb -> 4.44kb (49.78%) /docs/high-concurrency/img/redis-redlock.png -- 8.84kb -> 4.44kb (49.78%) /docs/high-availability/img/redis-cluster-split-brain.png -- 17.31kb -> 8.71kb (49.7%) 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7.15kb -> 3.68kb (48.57%) /img/es-cluster.png -- 40.25kb -> 20.70kb (48.56%) /docs/high-availability/img/es-cluster.png -- 40.25kb -> 20.70kb (48.56%) /docs/distributed-system/img/es-cluster.png -- 40.25kb -> 20.70kb (48.56%) /docs/high-concurrency/img/es-cluster.png -- 40.25kb -> 20.70kb (48.56%) /img/mq-2.png -- 28.20kb -> 14.53kb (48.48%) /docs/high-concurrency/img/mq-2.png -- 28.20kb -> 14.53kb (48.48%) /img/mq-8.png -- 19.34kb -> 10.03kb (48.12%) /docs/high-concurrency/img/mq-8.png -- 19.34kb -> 10.03kb (48.12%) /img/mq-4.png -- 25.97kb -> 13.50kb (48%) /docs/high-concurrency/img/mq-4.png -- 25.97kb -> 13.50kb (48%) /img/kafka-before.png -- 11.76kb -> 6.13kb (47.86%) /docs/high-concurrency/img/kafka-before.png -- 11.76kb -> 6.13kb (47.86%) /img/es-index-type-mapping-document-field.png -- 8.91kb -> 4.69kb (47.4%) /docs/high-availability/img/es-index-type-mapping-document-field.png -- 8.91kb -> 4.69kb (47.4%) /docs/high-concurrency/img/es-index-type-mapping-document-field.png -- 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互联网 Java 工程师进阶知识完全扫盲
本系列知识出自中华石杉，我对这部分知识做了一个系统的整理，方便学习查阅。By the way，微信公众号石杉的架构笔记（id:shishan100）有其它很多架构知识，墙裂推荐~
一点小建议：学习本系列知识之前，如果你完全没接触过 MQ、ES、Redis、Dubbo、Hystrix 等，那么我建议你可以先在网上搜一下每一块知识的快速入门，跟着入门 Demo 玩一下，然后再开始每一块知识的学习，这样效果更好噢~
高并发架构
消息队列
- 为什么使用消息队列？消息队列有什么优点和缺点？Kafka、ActiveMQ、RabbitMQ、RocketMQ 都有什么优点和缺点？
- 如何保证消息队列的高可用？
- 如何保证消息不被重复消费？（如何保证消息消费时的幂等性）
- 如何保证消息的可靠性传输？（如何处理消息丢失的问题）
- 如何保证消息的顺序性？
- 如何解决消息队列的延时以及过期失效问题？消息队列满了以后该怎么处理？有几百万消息持续积压几小时，说说怎么解决？
- 如果让你写一个消息队列，该如何进行架构设计啊？说一下你的思路。
搜索引擎
- es 的分布式架构原理能说一下么（es 是如何实现分布式的啊）？
- es 写入数据的工作原理是什么啊？es 查询数据的工作原理是什么啊？底层的 lucene 介绍一下呗？倒排索引了解吗？
- es 在数据量很大的情况下（数十亿级别）如何提高查询效率啊？
- es 生产集群的部署架构是什么？每个索引的数据量大概有多少？每个索引大概有多少个分片？
缓存
- 在项目中缓存是如何使用的？缓存如果使用不当会造成什么后果？
- Redis 和 Memcached 有什么区别？Redis 的线程模型是什么？为什么单线程的 Redis 比多线程的 Memcached 效率要高得多？
- Redis 都有哪些数据类型？分别在哪些场景下使用比较合适？
- Redis 的过期策略都有哪些？手写一下 LRU 代码实现？
- 如何保证 Redis 高并发、高可用？Redis 的主从复制原理能介绍一下么？Redis 的哨兵原理能介绍一下么？
- Redis 的持久化有哪几种方式？不同的持久化机制都有什么优缺点？持久化机制具体底层是如何实现的？
- Redis 集群模式的工作原理能说一下么？在集群模式下，Redis 的 key 是如何寻址的？分布式寻址都有哪些算法？了解一致性 hash 算法吗？如何动态增加和删除一个节点？
- 了解什么是 Redis 的雪崩和穿透？Redis 崩溃之后会怎么样？系统该如何应对这种情况？如何处理 Redis 的穿透？
- 如何保证缓存与数据库的双写一致性？
- Redis 的并发竞争问题是什么？如何解决这个问题？了解 Redis 事务的 CAS 方案吗？
- 生产环境中的 Redis 是怎么部署的？
分库分表
- 为什么要分库分表（设计高并发系统的时候，数据库层面该如何设计）？用过哪些分库分表中间件？不同的分库分表中间件都有什么优点和缺点？你们具体是如何对数据库如何进行垂直拆分或水平拆分的？
- 现在有一个未分库分表的系统，未来要分库分表，如何设计才可以让系统从未分库分表动态切换到分库分表上？
- 如何设计可以动态扩容缩容的分库分表方案？
- 分库分表之后，id 主键如何处理？
读写分离
高并发系统
分布式系统
面试连环炮
系统拆分
分布式服务框架
- 说一下 Dubbo 的工作原理？注册中心挂了可以继续通信吗？
- Dubbo 支持哪些序列化协议？说一下 Hessian 的数据结构？PB 知道吗？为什么 PB 的效率是最高的？
- Dubbo 负载均衡策略和集群容错策略都有哪些？动态代理策略呢？
- Dubbo 的 spi 思想是什么？
- 如何基于 Dubbo 进行服务治理、服务降级、失败重试以及超时重试？
- 分布式服务接口的幂等性如何设计（比如不能重复扣款）？
- 分布式服务接口请求的顺序性如何保证？
- 如何自己设计一个类似 Dubbo 的 rpc 框架？
分布式锁
分布式事务
分布式会话
高可用架构
高可用系统
- 如何设计一个高可用系统？
限流
- 如何限流？在工作中是怎么做的？说一下具体的实现？
熔断
- 如何进行熔断？
- 熔断框架都有哪些？具体实现原理知道吗？
降级
- 如何进行降级？