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你到底是如何上网的 | Yriuns' Blog
https://yriuns.github.io/2017/01/23/http-procedure/#more
当你在浏览器中键入网址(不妨假设为www.example.com,这个网站非常简单,只有一个HTML文件)并按下回车,就能看到渲染出来的网页。但是,这一过程中具体发生了什么呢? 这个问题困扰了笔者多年,虽然知道数据终将转为01比特流,但却一直没想通具体是怎么传输的……终于今年学了计算机网络原理,虽然没好好听课,而且网上看到的文章感觉写的还不够全面,于是试图自己把这个事讲明白。 本文力图以上面所说的
MatrixKV: Reducing Write Stalls and Write Amplification in LSM-tree Based KV Stores with a Matrix Container in NVM | Yriuns' Blog
https://yriuns.github.io/2020/10/06/matrixkv/
论文发表于ATC 2020,存储系统方向CCF-A类会议。作者是入围华为「天才少年」计划的人才之一,姚婷。 参考资料https://zhuanlan.zhihu.com/p/165071082 概述现有的基于LSM-Tree的KV存储有两个缺陷:写停顿以及写放大。实验结果表明这是因为:1. L0-L1之间的compaction包含了大量数据,消耗了大量CPU资源以及SSD带宽资源;2. LSM
braft/\*非官方\*/实践指南 | Yriuns' Blog
https://yriuns.github.io/2022/01/08/braft-in-action/
据说,OceanBase的CTO杨传辉曾经说过:“构建一个分布式数据库存储系统是比较简单的,上层一套raft一致性协议,下层接一个RocksDB引擎,一周时间就能搞定,难得是如何保证系统在后续的运行中性能稳定且可靠”。且不论一周时间到底够不够,不可否认的是,Raft协议的出现使得构建一个分布式系统简单了许多。 但即使Raft作者把各种工程问题解决之道都写在了他的博士论文里,真正去实现一个高效稳定的
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