You Too Can Be a Radio Host Or How We Scaled a .NET Startup And Had Fun Doing It
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The document discusses Cinchcast, a company that provides cloud-based software for creating and distributing voice-based content. It describes the backgrounds of the CTO and VP of Development and an overview of the company and its flagship product BlogTalkRadio. The document then discusses Cinchcast's technology stack, development processes, architecture improvements over time including moving to services and caching, and future projects. It concludes by describing open job positions and benefits of working at Cinchcast.
![Who Are We? Dr. Aleksandr Yampolskiy, CTO (alex@cinchcast.com) Previously head of security and compliance for Gilt Groupe companies, in charge of securing IT infrastructure, secure architecture, PCI/SOX compliance, etc. Various leadership roles in Goldman Sachs, Oracle, Microsoft building scalable, enterprise software for IDM, SSO, AuthN/AuthZ. Ph.D. in Crypto Tools for Efficient Distributed Computing Hobbies: chess, Edward Hopper, Ray Bradbury, martial arts, lately foosball and coffee. ,[object Object]](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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You Too Can Be a Radio Host Or How We Scaled a .NET Startup And Had Fun Doing It
- 1. You Too Can Be a Radio Host or How We Scaled a .NET Startup and Had Fun Doing it! Aleksandr Yampolskiy and Rob Blackin
- 3. Previously Director of Development at IDT in charge of systems for global businesses in 9 diff countries
- 4. CIO of VoiceNet subsidiary of Destia.
- 7. 10 of them in Tech
- 8. HQ in New York, NY
- 9. Millions of pageviews a day
- 10. Powering over 1,500 hours of content creation every dayConfidential © 2011 Cinchcast - All Rights Reserved 3
- 11. BlogTalkRadioOur Owned Media Property
- 12. The Cinchcast Platform Confidential © 2011 Cinchcast - All Rights Reserved 5
- 13. DEMO TIME - LIVE Confidential © 2011 Cinchcast - All Rights Reserved 6
- 14. Our Approach “Be brief, be bright, be gone” Don’t go chasing hot technologies of the day. Instead ‘mitigate your top problems’ Achieve “essential”, then worry about “excellent”. Be a “how team” instead of a “no team”. Build security into the software development lifecycle. Love And Other Drugs
- 15. Current Technology Stack .NET 3.5 C# Jenkins + Nunit Sauce On Demand - Selenium Gomez + NewRelic for monitoring JQuery ASP.NET and MVC 3 IIS 6 SQL SERVER 2005 Windows Server 2003 and 2008 Red 5 Asterisk, Pactolus AiCache Aptimize
- 16. Development Environment Visual Studio 2010 StyleCop / Resharper experimentation. Scrum methodology for large features + adopting Kanban for various bug fixes JIRA for project management + Greenhopper Svn, Jenkins
- 17. Metrics Not using metrics for your dev process is like landing a plane without any instruments in a storm. Code coverage Site throughput Number of critical security bugs Time to fix Blocker/Critical/Major JIRA issues. Percentage of developers using your site. Etc.
- 18. What Do Metrics Tell Us?
- 19. Architecture
- 25. Evolution Summary 2008 – Multiple web servers via Coyote LB and Scaleout for session state 2009 – Read Only databases through replication and aptimize for combining JS, CSS and Images on the fly. 2010 - aiCache for caching html, second farm on amazon for specific traffic, specializtion of web and database servers. 2011 – Contendo cdn, services framework, retired aptimize due to Continuous Integration process, Service broker queuing.
- 29. Can be used either as DLL imports or through RESTful calls on the network.BlogTalkRadio Cinch.FM Cinchcast
- 30. Services Based on Martin framework (https://github.com/thegrubbsian/Martin) Lightweight .NET framework mapping URLs to actions. Modified framework to reflect interfaces and automatically expose all their methods.
- 32. Not all data is relational, so database isn’t always a good medium.
- 33. Logging is key to detecting problems.
- 35. Elastic Search
- 36. Caching “Donut caching” : caches most of the page except a few dynamic regions. .Net caching via Fixed Expiration myCache.Insert("LiveChatRooms", liveRooms, myDependency, DateTime.UtcNow.AddMinutes(2), Cache.NoSlidingExpiration); .Net caching via Sql Dependency Expiration SqlCacheDependency myHDDependency = new SqlCacheDependency(DBName, "Genres"); myCache.Insert(DictionaryOfGenreEntityByID, myDictionary, myHDDependency); Data Caching via Scaleout return DCacheSoss.GetObjectFromNamedCache(CacheName, UniqueKeyName); CDN caching of JS, CSS and Images via Contendo and Limelight HTML Caching via CDN – Contendo, Limelight, aiCache
- 37. Cool Tech Projects On the Horizon Personalization of radio shows based on customer’s preferences. Build out of SOA Cinchcast platform from Python, .NET, Java components communicating as RESTFUL JSON-based services Moving real-time search to ElasticSearch (right now just for RSS/bots) Improving our caching layer performance (too many hit misses) A/B testing framework
- 39. Don’t chase hot technologies (e.g. MemCached mania). Sometimes reinventing the wheel is good.
- 40. REST+JSON > SOAP+XML
- 42. Sys Admin
- 43. Tech Lead
- 44. If you are good we’ll find a role for you : jobs@cinchcast.comWell-funded profitable startup used by millions. Patent-pending radio tech utilized in a new way. Medical/dental/etc. benefits. Great office space in mid-town right near subway. Flexible hours. Top-notch compensation + stock options.