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# Cloud Computing Presentation
## From WiscKey to Bourbon: A Learned Index for Log-Structured Merge Trees
### Paper
- From OSDI20
- Wisconsin ADSL
- Learn Index (Started in 2017)
### Backgrou…
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### Describe the project you are working on
I've needed this feature in many projects but currently, I'm needing a way to store player statistical information such as in-game stats to be displayed on…
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https://silhding.github.io/2021/08/20/A-Closer-Look-to-a-Key-Value-Storage-Engine/
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### 数据库的书以下面两本为主:
【[数据库系统基础教程](http://book.douban.com/subject/3923575/)】
【[数据库系统实现](http://book.douban.com/subject/4838430/)】
### 其他的参考书:
【[数据库系统概念](http://book.douban.com/subject/10548379/)】
【[事务处理…
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The performance of kvell is much better than rocksdb, which makes me interested in learning this project. When I was reading your paper, I saw in the implementation part of the paper that kvell implem…
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DDIA(Designing Data Intensive applications) 是 2017 年 [Martin Kleppman](https://martin.kleppmann.com/) 写的书。之前看见这本书的时候惊为天人。这本书把数据库领域的知识梳理的非常通透且浅显易懂。这次重新看这本书，打算做一个笔记，记录并阐述自己的理解。
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**Describe the bug**
Getting error when trying to migrate from goleveldb to versionDB.
Error message:
```
Error: failed to initialize database: Corruption: VersionBuilder: Cannot add table fil…
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http://grayxu.cn/2019/12/21/KV-LSM/
Problem写密集负载的键值存储已经成为一个非常重要与实际的需求，传统的硬盘组织文件数据结构B+ Tree在这个场景下存在很多问题。其中对性能最大的影响就是因为新数据插入树后，节点进行分裂，逻辑上连续的数据在物理块区上不连续，从而造成了大量的随机I/O操作，又由于硬盘的物理特性（尤其是HDD的磁头运动，需要寻柱面、寻磁…
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目前常见的存储引擎基本可以分为两种类型，一种是索引+日志类型，写操作可以简化为日志追加，然后更新索引。另外一种是 page-based storage，像 B-Tree 系列的。这两种方式各有优劣。
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##### at 2006-01-30 12:21:01 Jan Noordam reported:
some desirable LSM features