August 1, 2023 · 524 words · 2 min · Distributed System Database Cloud-Native MIT6.824
This article introduces the design considerations of AWS’s database product, Aurora, including storage-compute separation, single-writer multi-reader architecture, and quorum-based NRW consistency protocol. The article also mentions how PolarDB was inspired by Aurora, with differences in addressing network bottlenecks and system call overhead.
November 10, 2021 · 803 words · 4 min · OLAP Database Distributed System Kylin
Previously, I was hoping to work on an interesting thesis, but I couldn’t find a suitable advisor nearby. I initially found a good advisor before the college started the topic selection, but it turned out they couldn’t take me on. However, I wasn’t that interested in the advisor’s field, so I decided to look for something else. Recently, the college’s thesis selection process started, and I found an interesting topic in the list. I reached out to the professor and took on the project.
March 21, 2021 · 516 words · 3 min · Database MySQL Index
Database indexes are sorted data structures in DBMS that help in quickly querying and updating data in a database. Generally, data structures used for building indexes include B-trees, B+ trees, hash tables, etc.