1. 盛大云PaaS平台
刘海锋

2. Platform as a Service of Grand Cloud
product & technologies
Haifeng Liu, Grand Cloud Corp.

3. Overview Kicked off on June 2012 and launched on Sep 2012
Deployed on Grand Cloud’s IaaS
EC2 and EBS
Leverage open-source software
Now hosting > 1500 apps

4. Features Programming languages User interfaces Backend data services
Ruby, PHP, Java, Python
User interfaces
Web console
Cmd-line tool
Dashboard
Backend data services
Relational databases
Persistent shared filesystem
Built-in Elastic Search
High availability and reliability

5. Internals Our very own CloudFoundry branch
Various optimizations or twists
What we have done and are doing
Core extensions
CFS / AW / DRP
Platform as a community
App Store / Git Integration
Hosting enterprise-level video apps

6. Core Extension – CFS Cloud Filesystem Service
Multi-tenant sharing on a cluster filesystem that has
POSIX-enough interface
Good stability and acceptable performance
The key tech challenges are
Access control
Storage space quota

7. Core extension – AW App Watcher Real-time app monitoring for
Resource bookkeeping
Pause buggy applications
Periodic data processing for
Intelligent stop/restart of inactive applications
Billing policies
Admin console for
Operational purposes

8. Core Extension - DRP Differentiated Resource Provisioning
User scoring & app tagging
To determine resource quotas and QoS
Separate DB/DEA pools
For the applications of different qualities
Multi-level app isolation
OS users, Linux Containers, and single-tenant VMs

9. Platform as a Community
App Store
Quick deployment via clicks
Developers are encouraged to contribute
Git integration
Optional on-commit deployment
Social elements smelling like github

10. Enterprise-level App Hosting
Video Cloud Product
Demo URL
You can deploy it from App Store

11. Thank You!

12. Thank You!