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92 | 92 | - [Java19新特性](docs/advance/excellent-article/19-java19.md) |
93 | 93 | - [Java Stream常见用法汇总](docs/advance/excellent-article/26-java-stream.md) |
94 | 94 | - [泛型中的T、E、K、V,是什么含义?](docs/advance/excellent-article/24-generic.md) |
| 95 | +- [面试官:反射是如何影响性能的?](docs/java/basic/reflect-affect-permance.md) |
| 96 | +- [面试官:详细说说你对序列化的理解?](docs/java/basic/serialization.md) |
95 | 97 |
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96 | 98 | **JVM重要知识点** |
97 | 99 |
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98 | 100 | - [美团面试:熟悉哪些JVM调优参数?](docs/advance/excellent-article/9-jvm-optimize-param.md) |
99 | 101 | - [一次简单的JVM调优,拿去写到简历里](docs/advance/excellent-article/5-jvm-optimize.md) |
100 | 102 | - [阿里排错神器--Arthas](docs/advance/excellent-article/23-arthas-intro.md) |
| 103 | +- [Java堆内存是线程共享的?](docs/java/jvm/jvm-heap-memory-share.md) |
101 | 104 |
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102 | 105 | # 数据库 |
103 | 106 |
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122 | 125 | **重要知识点**: |
123 | 126 |
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124 | 127 | - [Redis如何实现库存扣减操作和防止被超卖?](docs/advance/excellent-article/1-redis-stock-minus.md) |
| 128 | +- [Redis持久化详解](docs/redis/article/redis-duration.md) |
| 129 | +- [为什么Redis 6.0 引入多线程](docs/redis/article/redis-multi-thread.md) |
| 130 | +- [缓存和数据库一致性问题,看这篇就够了](docs/redis/article/cache-db-consistency.md) |
125 | 131 |
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126 | 132 | ## ElasticSearch |
127 | 133 |
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137 | 143 |
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138 | 144 | - [Spring为何需要三级缓存解决循环依赖,而不是二级缓存?](docs/advance/excellent-article/6-spring-three-cache.md) |
139 | 145 | - [@Transactional事务注解详解](docs/advance/excellent-article/2-spring-transaction.md) |
| 146 | +- [一文彻底搞懂Spring事务传播行为](docs/framework/spring/transaction-propagation.md) |
140 | 147 |
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141 | 148 | ## Spring Boot |
142 | 149 |
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231 | 238 |
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232 | 239 | # 海量数据场景题 |
233 | 240 |
|
234 | | -1. [统计不同电话号码的个数](https://topjavaer.cn/mass-data/1-count-phone-num.html) |
235 | | -2. [出现频率最高的100个词](https://topjavaer.cn/mass-data/2-find-hign-frequency-word.html) |
236 | | -3. [查找两个大文件共同的URL](https://topjavaer.cn/mass-data/3-find-same-url.html) |
237 | | -4. [如何在100亿的数据中找到中位数](https://topjavaer.cn/mass-data/4-find-mid-num.html) |
238 | | -5. [找出最热门的查询串](https://topjavaer.cn/mass-data/5-find-hot-string.html) |
239 | | -6. [如何找出排名前500的数字](https://topjavaer.cn/mass-data/6-top-500-num.html) |
240 | | -7. [如何按照 query 的频度排序?](https://topjavaer.cn/mass-data/7-query-frequency-sort.html) |
241 | | -8. [大数据中 TopK 问题的常用套路](https://topjavaer.cn/mass-data/8-topk-template.html) |
| 241 | +1. [大数据中 TopK 问题的常用套路](https://topjavaer.cn/mass-data/8-topk-template.html) |
| 242 | +2. [统计不同电话号码的个数](https://topjavaer.cn/mass-data/1-count-phone-num.html) |
| 243 | +3. [出现频率最高的100个词](https://topjavaer.cn/mass-data/2-find-hign-frequency-word.html) |
| 244 | +4. [查找两个大文件共同的URL](https://topjavaer.cn/mass-data/3-find-same-url.html) |
| 245 | +5. [如何在100亿的数据中找到中位数](https://topjavaer.cn/mass-data/4-find-mid-num.html) |
| 246 | +6. [找出最热门的查询串](https://topjavaer.cn/mass-data/5-find-hot-string.html) |
| 247 | +7. [如何找出排名前500的数字](https://topjavaer.cn/mass-data/6-top-500-num.html) |
| 248 | +8. [如何按照 query 的频度排序?](https://topjavaer.cn/mass-data/7-query-frequency-sort.html) |
| 249 | +9. [5亿个数的大文件怎么排序?](https://topjavaer.cn/mass-data/9-sort-500-million-large-files.html) |
242 | 250 |
|
243 | 251 | # 系统设计 |
244 | 252 |
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255 | 263 | - [权限系统设计方案](docs/advance/system-design/13-permission-system.md) |
256 | 264 | - [如何设计一个抢红包系统](docs/advance/system-design/15-red-packet.md) |
257 | 265 | - [如何从0到1设计消息队列](docs/advance/system-design/16-mq-design.md) |
| 266 | +- [购物车系统怎么设计?](docs/advance/system-design/17-shopping-car.md) |
| 267 | +- [如何设计一个注册中心?](docs/advance/system-design/18-register-center.md) |
258 | 268 |
|
259 | 269 | # 安全 |
260 | 270 |
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