职业规划
- Top Trends in the Gartner Hype Cycle for Emerging Technologies, 2017
- Gartner's 2016 Hype Cycle for Emerging Technologies
- WISC CS 744: Big Data Systems
- Top distributed system conference (SIGCOMM): https://www.quora.com/What-are-the-top-conferences-journals-about-Distributed-Systems
- http://www.guide2research.com/topconf/ computer networks and communications
- 留学生想海归回国，如何给自己留条退路？这三个时间点你必须要明白！
- DATA SCIENCE三类职业方向：机器学习、数据分析和数据科学
- http://highscalability.com/all-time-favorites/
- Titles lead to labels; labels lead to stereotypes; stereotypes lead to bias
- No walls between roles
- Change perceptions; think differently
Double proxy
A -> A sidecar -> proxy -> B
- key points: easy to rollback misconfigures
- 99% connection pool size decrease
- TLS handshake latency is reduced for p99 due to warm connection
- connection reuse rate increased
- security enhancement as a side effect
- refactoring hard coded configs for easy test/rollback without rebuilding package
- gated slow rollout
- troubleshooting related issues
Private and Public cloud migration
- key points: easy to rollback misconfigures
- security: address security risks as it will face the Internet directly, configure the right OneLogin and firewalls/security group
- CSRF middleware
- Security test: Wireshark and ngrep analyze request/response
- Session in NodeJS
- networking/service discovery:
- IP tunnel with allocated subnet CIDR
- private -> public is easy to configure
- public -> private needs to hack as there is no routing service setup in public cloud
- elastic scaling along with the workload
- developer: completely new development workflow and build pipeline (dockerization)
- migration plan
- storage migration plan A: dump mysql; shutdown service; import
- plan B: mysql master-slave replication; script switching master-slave
- DNS migration: private DNS's DNS redirect to public DNS
- New domain's DNS certificate needs double authentication
- infrastructure as a code: to spawn a deployment easily
- budget is more clear
- communication is slow as lots of unknown
Retrospect
- Refactoring vs Fixing existing broken tools
- Asking for permissions to finish job
- A-B team highly coupled but not cooperative: show them the impact for finishing one project; fly there to meet in person
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