2021年11月9日
New System Design Knowledge
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
posted @ 2021-11-09 14:21 YBgnAW 阅读(38) 评论(0) 推荐(0) 编辑
Top K - System Design
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
posted @ 2021-11-09 14:02 YBgnAW 阅读(173) 评论(0) 推荐(0) 编辑