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Handling scale on AWS
- 1. Handling Scale onAWS July 10, 2016 David Ilievsky, R&D Director
- 2. Agenda WalkMe - theproduct, the business Challenges Solutions What and where we deploy Deployment challenges How do we deploy Monitoring New Challenges
- 3. WalkMe - Theproduct 3
- 4. WalkMe - Theproduct 4 ▪ Live Demo ▪ B2B ▪ Improve employee productivity ▪ Improve engagement ▪ Lower support costs ▪ Simplify business processes ▪ Analytics and Insights
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- 8. The Challenges 8 ▪ Supportingthe traffic of all our customers ▪ Be unnoticeable on customers’ site ▪ Existing js frameworks / libraries on customers site ▪ Backward compatibility ▪ Cross browsers support ▪ Cross domain support ▪ Security - sensitive customers
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- 10. Basic Architecture 10 Customer -Content Owner End users Customers’ web server Original web site content Analytics audits WalkMe static files audits WalkMe Data Publish Data
- 11. Solutions 11 ▪ Static filescoming from Cloudfront ▪ Browser cache ▪ Elastic Beanstalk ▪ Automation ▪ Development processes ▪ CI / CD ▪ Performance monitoring ▪ Assistance tools ▪ Culture ! ▪ VPC
- 12. What and wheredo we deploy 12
- 13. What and wheredo we deploy 13 ▪ Server applications ▪ EC2 ▪ Elastic Beanstalk ▪ Client side ▪ S3 ▪ Modify DB (meta data) ▪ DB Changes ▪ Lambda functions
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- 16. Deployment Challenges 16 ▪ Downtime ▪Cache ▪ Security ▪ Quality ▪ Go back anytime ▪ Time consumption
- 17. Deploying client side 17 ▪Preparations ▪ Merge all files to one ▪ Remove debug info ▪ Imprint version ▪ Compile templates ▪ Compile css (saas) ▪ Obfuscate (source maps) ▪ Copy to S3 ▪ Set permissions ▪ Set http headers ▪ Update relevant DB tables
- 18. Deploying Server 18 ▪ EC2 ▪Windows (C#) ▪ Ubuntu Server (Node.js) ▪ Load balancing ▪ Elastic Beanstalk ▪ Deployment tools by AWS ▪ Windows vs. Linux ▪ VPC
- 19. ▪ DB Changes ▪(non) Breaking changes ▪ lots of risks involved ▪ sql files ▪ Lambda functions ▪ AWS CLI More Deployments 19
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- 21. How do wedeploy 21 ▪ Node.js based deployment apps ▪ AWS SDK ▪ 4 main environments ▪ TeamCity ▪ Deployment Tool ▪ flywayDB ▪ Post Production
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- 23. Monitoring 23 ▪ No scalewithout monitoring ! ▪ Deployment process ▪ Applications ▪ Servers ▪ Server / Client performance ▪ End users experience ▪ Differentiate between error types and severity
- 24. How do wemonitor 24
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- 26. New Challenges 26 ▪ BehaviorAnalysis ▪ Much higher throughput ▪ Digesting millions of events and providing real time feedback