数据可视化(八)Program,Data and Classical Music
Night News 20181201
Uber 业务预测系统实践
- Forecasting is ubiquitous
- 如何利用预测来构建更好的产品和服务
- 定量预测方法可分为:基于模型(model-based)或因果关系,统计方法(statistical methods)和机器学习方法(machine learning approaches)
Engineering Index
工程技术文献索引汇编
操作系统原理:Linux Commands Extension
- DevOps 资讯 | 是时候升级你的命令行了
- autojump > cd
- bat > cat
- prettyping > ping
- fzf > ctrl+r
- htop > top
- diff-so-fancy > diff
- fd > find
- ncdu > du
- tldr > man
- ack || ag > grep
- jq > grep et al
开源技术架构漫谈:Hadoop
摘要
- Uber Hadoop 文件系统最佳实践
- Scaling out using ViewFs
- HDFS upgrades
- NameNode Garbage collection
- Controlling the number of small files
- DFS load management service
- New Feature : Observer NameNode
- Router-based HDFS Federation
- Engineering : 独立的群集(isolated clusters)、分阶段升级过程(a staged upgrade process)和应急回滚计划(contingency rollback plans)