知鸦日报2020-10-08

同义词搜索看起来像是一门艺术，背后其实也只是通过简单的技术手段构造出来的

倒排索引、正排索引、fielddata、_source、store 一网打尽！

And why it turned out to be great. With a caveat.

Why you should track pull requests and set goals about them — and a pragmatic approach to do it.

Rui Huang, Song Cui | Software Engineers, Content Interest Understanding Team, Jennifer Zhao | Software Engineers, Content Core Signal…

Uber as a platform invites its users to leverage it, earn from it, and be delighted by it. Serving more than 18 million requests per day, in 10,000+ cities, has enabled people to move freely and to…

A few years ago, when NoSQL was trending, like every other team, our team was also enthusiastic about the new and exciting stuff; we were planning to change the database in one of the applications. But when we got into the finer details of the implementation, we remembered what a wise man once said, “the devil is in the details,” and eventually, we realized that NoSQL is not a silver bullet to fix all problems, and the answer to NoSQL VS RDMS was: “it depends.” Similarly, in the last year, concurrency libraries like RxJava and Spring Reactor were trending with enthusiastic statements, like the asynchronous, non-blocking approach is the way to go, etc. In order to not make the same mistake again, we tried to evaluate how concurrency frameworks like ExecutorService, RxJava, Disruptor, and Akka differ from one another and how to identify the right use case for respective frameworks.

我一直坚信，好的研究问题其实离我们并不遥远。不过，这些问题总会带上面具，在我们眼前晃来晃去，我们却熟视无睹。