01 2024 档案

mysqlasp usage
摘要：mysqlslap --concurrency=80 \ --number_of_queries=800 \ --query="select * from lineorder where lo_orderkey between 510 and 520" \ --delimiter=";" -h $H 阅读全文
posted @ 2024-01-23 11:18 stdpain 阅读(29) 评论(0) 推荐(0)
关于atomic 自增 compare 问题
摘要：https://godbolt.org/z/rh6cK4acx atomic_int a = 10; if (++a == 10) { } if (a.fetch_add(1) == 9) { } 阅读全文
posted @ 2024-01-10 16:04 stdpain 阅读(42) 评论(0) 推荐(0)