Dandelion_db 底层的数据存储模型,它的名字叫做 bitcask。它本质上属于类 LSM 的模型,核心思想是利用顺序 IO 来提升写性能,只不过在实现上,比 LSM 简单多了,实现了PUT、GET、DELETE 的流程,还有对冗余数据merge的流程,有效代码大约300行左右,可以认为是对存储的一个简单的存储模型,入门理解
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