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)