Tech Talk: Getting to Know Node.js
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The document presents a tech talk by Gabriel Underwood about the increasing adoption of Node.js in enterprise applications due to its suitability for mobile applications and real-time web functionalities. It highlights the operational challenges faced by teams in deploying Node.js applications, which differ from traditional Java applications, and discusses the cultural changes required within organizations. The session aims to provide insights into how Node.js works, the specific challenges it introduces, and how CA Application Performance Management can assist with these issues.
Tech Talk: Getting to Know Node.js
- 1. Tech Talk: Getting to Know Node.js Gabriel Underwood DevOps: Agile Ops CA Technologies Director, Software Engineering DO5T43T @GabrielUnderwoo #CAWorld
- 2. 2 © 2015 CA. ALL RIGHTS RESERVED.@CAWORLD #CAWORLD © 2015 CA. All rights reserved. All trademarks referenced herein belong to their respective companies. The content provided in this CA World 2015 presentation is intended for informational purposes only and does not form any type of warranty. The information provided by a CA partner and/or CA customer has not been reviewed for accuracy by CA. For Informational Purposes Only Terms of this Presentation
- 3. 3 © 2015 CA. ALL RIGHTS RESERVED.@CAWORLD #CAWORLD Abstract Enterprise adoption of Node.js is on the rise because it is great for mobile applications and can accelerate time to market. That and its event-driven architecture is ideal for any real- time Web application where throughput and scalability are critical. What should ops teams know before a Node.js application is deployed into production? What are the operational challenges that come with Node.js applications and how are they different than Java™ applications? Join this session for a quick intro into what Node.js is, how it works differently+E5 and what business problems it solves. Gabriel Underwood CA Technologies Director, Software Engineering
- 4. 4 © 2015 CA. ALL RIGHTS RESERVED.@CAWORLD #CAWORLD Agenda WHAT IS NODE.JS? WHY HAS IT BECOME POPULAR? INSIDE NODE.JS WHAT ARE THE NEW OPS CHALLENGES? HOW CA APM CAN HELP 1 2 3 4 5 6
- 5. 5 © 2015 CA. ALL RIGHTS RESERVED.@CAWORLD #CAWORLD What is Node.js?
- 6. 6 © 2015 CA. ALL RIGHTS RESERVED.@CAWORLD #CAWORLD Fills a specific growing need 10K User Problem – Huge number of simultaneous connections with high throughput – Non-blocking, event-driven IO Scalable intermediary between device and data Glue to assemble other data sources – Lightweight and efficient for distributed data Lets UI developers not have to wait for Java backend team…
- 7. 7 © 2015 CA. ALL RIGHTS RESERVED.@CAWORLD #CAWORLD Silver Apigee Codefresh DigitalOcean Fidelity Investments Groupon nearForm NPM SAP Sauce Labs Strongloop YLD! Platinum Famo.us IBM Intel Joyent Microsoft PayPal Redhat Gold GoDaddy Modulus Nodesource Node.js Foundation
- 8. 8 © 2015 CA. ALL RIGHTS RESERVED.@CAWORLD #CAWORLD Why is Node.js Popular?
- 9. 9 © 2015 CA. ALL RIGHTS RESERVED.@CAWORLD #CAWORLD Why is Node.js Popular?
- 10. 10 © 2015 CA. ALL RIGHTS RESERVED.@CAWORLD #CAWORLD End to End Visibility WAN Router Firewall Switch Web Servers Load Balancer Portal SAP CRM REST/SOAP Webservices 3rd Party Applications Databases Service Bus Database Mainframe Why is Node.js Popular? Enterprise Applications don’t look like this anymore… App Server
- 11. 11 © 2015 CA. ALL RIGHTS RESERVED.@CAWORLD #CAWORLD End to End Visibility WAN Router Firewall Switch Web Servers Load Balancer CRM Why is Node.js Popular? Native Mobile Clients, Single Page Applications, Microservices!
- 12. 12 © 2015 CA. ALL RIGHTS RESERVED.@CAWORLD #CAWORLD Node Event Loop
- 13. 13 © 2015 CA. ALL RIGHTS RESERVED.@CAWORLD #CAWORLD Common Architectures & Deployments REST APIs used by a separate UI tier Often Stateless! – User session state held in a separate cache Many stateless processes share a common stateful backend Lots of processes per machine
- 14. 14 © 2015 CA. ALL RIGHTS RESERVED.@CAWORLD #CAWORLD Framework Diversity VS Java JEE Spring Microsoft .NET ASP.NET ASP.NET MVC ADO.NET Express Loopback Koa Hapi Sails …
- 15. 15 © 2015 CA. ALL RIGHTS RESERVED.@CAWORLD #CAWORLD Operations Challenges Coding Problems Tooling Deployment Surprises Cultural attitudes towards change control
- 16. 16 © 2015 CA. ALL RIGHTS RESERVED.@CAWORLD #CAWORLD Leaks!
- 17. 17 © 2015 CA. ALL RIGHTS RESERVED.@CAWORLD #CAWORLD Blocking Time Long Task Long Task Completes Next task Delayed! Node.js
- 18. 18 © 2015 CA. ALL RIGHTS RESERVED.@CAWORLD #CAWORLD Tooling
- 19. 19 © 2015 CA. ALL RIGHTS RESERVED.@CAWORLD #CAWORLD End to End VisibilityDeployment Surprise - Shared Resource Contention Stateless Processes Common Shared State (DB, MQ,Cache) App A App B App C
- 20. 20 © 2015 CA. ALL RIGHTS RESERVED.@CAWORLD #CAWORLD Cultural Changes Systems Programmers Extensive Change Control Big infrequent releases “Beta” program, near end Test automation culture Web Developers Commit into Prod(!) Deploy daily A/B testing in prod, always Test in the browser culture
- 21. 21 © 2015 CA. ALL RIGHTS RESERVED.@CAWORLD #CAWORLD Node.js is another tool Event Loop JavaScript Simple, but lacking… Perfect for I/O, bad for blocking Single-threaded MultiCore Asynchronous Callback Hell
- 22. 22 © 2015 CA. ALL RIGHTS RESERVED.@CAWORLD #CAWORLD Summary A Few Words to Review Big Changes with Node in Datacenter Node in the datacanter brings operational challenges with new tools and technologies but also of cultural changes involving “web development speeds” into traditional application management. Complex, rapidly changing deployments are the standard.
- 23. 23 © 2015 CA. ALL RIGHTS RESERVED.@CAWORLD #CAWORLD Recommended Sessions SESSION # TITLE DATE/TIME DO5X237L: Hands-On Lab: Managing and Monitoring Node.js Made Easy with CA Application Performance Management 11/19/2015 at 2:00 pm DO5X194S Monitor Microservices, Containers, Cloud Foundry and Node with CA Application Performance Management 11/18/2015 at 4:30 pm DO5X193S Customize CA Application Performance Management with Tips for Using the CA Application Performance Management Open APIs 11/19/2015 at 4:30 pm
- 24. 24 © 2015 CA. ALL RIGHTS RESERVED.@CAWORLD #CAWORLD Must See Demos Application Performance Management and DevOps, featuring APM use in preproduction scenarios Application Performance Management Theater 5 Application Performance Management, Modern Monitoring, featuring the new APM Team Center Application Performance Management Theater 5 Ensuring a “5 star” mobile app experience with CA Mobile App Analytics Mobile App Analytics Theater 5 Unified Monitoring: APM Integrations including UIM Application Performance Management Theater 5
- 25. 25 © 2015 CA. ALL RIGHTS RESERVED.@CAWORLD #CAWORLD Q & A
- 26. 26 © 2015 CA. ALL RIGHTS RESERVED.@CAWORLD #CAWORLD For More Information To learn more, please visit: http://cainc.to/Nv2VOe CA World ’15