System Design

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Software Engineers Wes Moncrief and Kevin Li discuss aspects of the system design interview, as well as related topics in designing large and interesting software architectures. If you're new here, I'd suggest starting with the episode "Facebook Timeline Interview". I'll also note that our first few episodes had lower quality audio than our subsequent episodes.We'd love to hear any listener feedback - email us at thesystemdesignpodcast@gmail.com

Episode List

Dropbox Interview

Feb 28th, 2021 5:00 PM

Kevin asks Wes to design Dropbox, with an emphasis on designing the data model and storage techniques to scale out.Helpful links:https://www.geeksforgeeks.org/design-dropbox-a-system-design-interview-question/https://www.youtube.com/watch?v=PE4gwstWhmchttps://developer.mozilla.org/en-US/docs/Web/API/WebSockets_APIhttps://www.ibm.com/cloud/learn/object-storage

Distributed Caches

Feb 14th, 2021 5:00 PM

As Kevin prepares to start a new job at Instacart, he explains some ideas around how a company like Instacart could employ caching to improve the scalability of their services.Show notes:https://medium.com/datadriveninvestor/all-things-caching-use-cases-benefits-strategies-choosing-a-caching-technology-exploring-fa6c1f2e93aahttps://ieftimov.com/post/when-why-least-frequently-used-cache-implementation-golang/https://github.com/donnemartin/system-design-primer#cachehttps://memcached.org/ https://redis.io/

Message Queues

Dec 6th, 2020 6:00 PM

Wes and Kevin talk about message queues, the problems they solve, and how they work. https://github.com/donnemartin/system-design-primerhttp://highscalability.com/all-time-favorites/https://netflixtechblog.com/https://www.rabbitmq.com/tutorials/tutorial-one-python.htmlP.S., Wes learned how to edit podcasts better thanks to this guide - https://podigy.co/podcast-editing-guide/, hopefully this podcast has the best audio quality yet!

SQL vs noSQL Databases

Oct 17th, 2020 6:00 PM

Breaking away from the interview format, Wes and Kevin deep dive into SQL vs noSQL databases.Show notes:ACID compliance - https://mariadb.com/resources/blog/acid-compliance-what-it-means-and-why-you-should-careCAP theorem https://www.ibm.com/cloud/learn/cap-theoremhttps://mwhittaker.github.io/blog/an_illustrated_proof_of_the_cap_theoremCool article explaining the problem with saying you can have 2 out of 3 properties of CAPhttp://martin.kleppmann.com/2015/05/11/please-stop-calling-databases-cp-or-ap.htmlMongoDB - https://docs.mongodb.com/manual/introduction/

Facebook Timeline Interview

Sep 16th, 2020 3:00 AM

Wes asks Kevin to design the Facebook/Twitter Timeline with an emphasis on scaling to a large number of users.I'd encourage you to pause where relevant to try to think through these designs yourself - it really helps the content sink in.Helpful LinksRabbitMQ quick start documentation - https://www.rabbitmq.com/getstarted.htmlApache Kafka introductinon - https://kafka.apache.org/intro

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