cache blocking
miss rate 概念 miss 次数例子 每个缓存块能够一次性加载一整行的8个元素,而每行有n个元素,那么在初始加载时,每行都会有 n/8次不命中。这是因为每次加载一个缓存块,都可以覆盖一整行的8个元素,而每行…
1、问题描述
SpringBoot项目在启动时报出下面的错误: Description: Failed to configure a DataSource: url attribute is not specified and no embedded datasource could be configured. Reason: Failed to determine a suitable driver class Action: Consider…