摘要：CREATED 2021/11/21 4PM 阅读全文

摘要：CREATED 2021 11 13 12:15PM Single-Leader replication 集群中有一个leader节点和多个follower节点，写操作都必须经过leader节点完成，读操作则都可以处理。 同步复制 (Synchronous Replication) 数据在副本上落盘 阅读全文

摘要：CREATED 2021/11/09 19:40 Functional Requirements Infra Search Service Ticket Transaction Service Payment Service Dataflows Search a movie zip code (co 阅读全文

摘要：CREATED 2021/11/08 22:16 PM Redis How Redis deletes expired keys Redis does 10 times per second: 1 Test 20 random keys from the set of keys with an as 阅读全文

摘要：Fast Path (like 1 minute, 5 minutes) Use a count-min sketch algorithm (Counting frequency by using multiple hash functions) and aggregates data for a 阅读全文