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Introduction to Google App Engine

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rajdeep
rajdeep

Google App Engine - Platform for Cloud Computing .Presented on Aug 23,2008 at HYSEA Conference on Cloud Computing held at Google Hyderabad

TechnologyBusiness
1 of 26
App Engine Google's Cloud Computing Platform Rajdeep Dua Anirudh Dewani Google Developer Relations
Topics of discussion ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Cloud Computing Defined
source : Merrill Lynch IDC Saas Report, May 2008
What is App Engine? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Why App Engine?     
App Engine Application Lifecycle
Development Cycle App Engine SDK App Engine Admin Console
App Engine Physical Deployment Diagram Node 1 Node 2 Node 3 Node N Google Cluster1 Node 1 Node 2 Node 3 Node N Google Cluster N Node 1 Node 2 Node 3 Node N Datastore Cluster1 Node 1 Node 2 Node 3 Node N Datastore Cluster M Python web server Persistent Layer HTTP Request HTTP Response
Developing applications using App Engine  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Developing Application with AppEngine
Application Configuration - app.yaml   application: helloworld version: 1 runtime: python api_version: 1 handlers: - url: /.* script: helloworld.py yaml (yet another markup language) - Deployment Descriptor for the Application Maps URLs to the handlers
Runtime Components of an Application deployed on App Engine URL Python Handlers /*.html HtmlHandler /*.form FormHandler app.yaml (deployment descriptor) WebApp Framework (Google’s Web framework) Django Framework (Third Party) WebOb Framework (Third Party) Mail APIs Users APIs MemCache API Data Store APIs Python Runtime
Request Handler - helloworld.py
App Engine DataStore ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
DataStore - Runtime components
App Engine DataStore Entity from db.Model Persisting An Entity
GQL GQL
Realization - App Engine Request
Testing and Deployment ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
APIs
Secure Sandbox
Quotas & Road map
Quota                                                      Apps per developer 3 Storage per App 500 MB Files per App 1000 Size per file 1MB Emails per Day 2000 Bandwidth In per Day 10,000 MB Bandwidth Out per Day 10,000 MB CPU Megacycles per Day 200 Million HTTP Requests per Day 650,000 Datastore API Calls per Day 2.5 Million URLFetch API Calls per Day 160,000 $0.10 - $0.12 per CPU core-hour $0.15 - $0.18 per GB-month of storage $0.11 - $0.13 per GB outgoingbandwidth $0.09 - $0.11 per GB incoming bandwidth Expected Pricing Daily Free Quota Fixed Quota
What's Next ,[object Object],[object Object],[object Object],[object Object]
Useful Resources    ,[object Object],[object Object],[object Object],[object Object],[object Object]

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Introduction to Google App Engine

  • 1. App Engine Google's Cloud Computing Platform Rajdeep Dua Anirudh Dewani Google Developer Relations
  • 2.
  • 4. source : Merrill Lynch IDC Saas Report, May 2008
  • 5.
  • 8. Development Cycle App Engine SDK App Engine Admin Console
  • 9. App Engine Physical Deployment Diagram Node 1 Node 2 Node 3 Node N Google Cluster1 Node 1 Node 2 Node 3 Node N Google Cluster N Node 1 Node 2 Node 3 Node N Datastore Cluster1 Node 1 Node 2 Node 3 Node N Datastore Cluster M Python web server Persistent Layer HTTP Request HTTP Response
  • 10.
  • 12. Application Configuration - app.yaml   application: helloworld version: 1 runtime: python api_version: 1 handlers: - url: /.* script: helloworld.py yaml (yet another markup language) - Deployment Descriptor for the Application Maps URLs to the handlers
  • 13. Runtime Components of an Application deployed on App Engine URL Python Handlers /*.html HtmlHandler /*.form FormHandler app.yaml (deployment descriptor) WebApp Framework (Google’s Web framework) Django Framework (Third Party) WebOb Framework (Third Party) Mail APIs Users APIs MemCache API Data Store APIs Python Runtime
  • 14. Request Handler - helloworld.py
  • 15.
  • 16. DataStore - Runtime components
  • 17. App Engine DataStore Entity from db.Model Persisting An Entity
  • 19. Realization - App Engine Request
  • 20.
  • 21. APIs
  • 24. Quota                                                      Apps per developer 3 Storage per App 500 MB Files per App 1000 Size per file 1MB Emails per Day 2000 Bandwidth In per Day 10,000 MB Bandwidth Out per Day 10,000 MB CPU Megacycles per Day 200 Million HTTP Requests per Day 650,000 Datastore API Calls per Day 2.5 Million URLFetch API Calls per Day 160,000 $0.10 - $0.12 per CPU core-hour $0.15 - $0.18 per GB-month of storage $0.11 - $0.13 per GB outgoingbandwidth $0.09 - $0.11 per GB incoming bandwidth Expected Pricing Daily Free Quota Fixed Quota
  • 25.
  • 26.