Reading articles from April to July
一、elasticsearch
Flattened Datatype Mappings – Elasticsearch Tutorial
Feature Request - Provide alternative to datatype flattened
Flattened object fields design + implementation #33003
prometheus -- rate()与irate()分析与源码
How to Improve Elasticsearch Search Performance
Multi-dimensional points, coming in Apache Lucene 6.0
How to add a Redis caching layer to your Elasticsearch queries
In rollover, Is it possible to update the document of old indexes?
Why am I seeing bulk rejections in my Elasticsearch cluster?
Categorize your logs with Elasticsearch categorize_text aggregation
一站式 Elasticsearch 集群指标监控与运维管控平台
Elasticsearch Optimizations at Lyft
二、Operating System
三、Database
Introducing Husky, Datadog's Third-Generation Event Store
四、Algorithm
五、Middleware
六、emacs/git
nov.el: Major mode for reading EPUBs in Emacs
How to tell which commit a tag points to in Git?
七、golang
创建和使用 HTTP 中间层（Making and Using HTTP Middleware）
Understanding time and date in Go (Golang) – Complete Guide
八、Others
103 Bits of Advice I Wish I Had Known
National Agricultural Library Digital Collections
