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使用Java实现从数据库查出数据存入Redis，并在查询时先查Redis，如果Redis中没有数据再从数据库中读取

以下是使用Java实现从数据库查出数据存入Redis，并在查询时先查Redis，如果Redis中没有数据再从数据库中读取的示例代码：首先，确保已经引入了Redis的Java客户端依赖，例如Jedis： <dependency> <groupId>redis.clients&...

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使用Kafka实现Java异步更新通知解决Redis与MySQL数据不一致背景在高并发的应用场景中，秒杀系统等业务可能导致Redis与MySQL中的数据不一致。通过异步更新通知，我们可以及时发现不一致并采取相应措施，确保系统的稳定性和一致性。设计思路我们将设计一个Java程序，定期巡检Redis和M...

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【java常见的面试题】 Redis的数据淘汰策略有哪些 ?

Redis 提供 8 种数据淘汰策略：淘汰易失数据(具有过期时间的数据) volatile-lru（least recently used）：从已设置过期时间的数据集（server.db[i].expires）中挑选最近最少使用的数据淘汰volatile-lfu（least frequently ...

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