How Discord Stores Trillions of Messages | Deep Dive
Hussein Nasser
@hnasrAbout
Join me as we discuss various software engineering topics with examples and add fun elements to them. We always try to learn by example here in this educational Youtube channel which we believe is the right way to learn. I love Software engineering (especially the backend) and I strive to be a better software engineer every day. Join me on this journey and let us learn together. All opinions, suggestions, and tips I provide in all of this channel's content are my own. Information provided is for educational purposes only. Consider becoming a member to support the channel https://www.youtube.com/channel/UC_ML5xP23TOWKUcc-oAE_Eg/join Check out my courses https://courses.husseinnasser.com Stay awesome! Hussein Nasser, http://www.husseinnasser.com Feel free to shoot me an email [email protected] twitter: @hnasr
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Fundamentals of Database Engineering udemy course (link redirects to udemy with coupon) https://database.husseinnasser.com Discord engineering goes into details of how they migrated from Cassandra to ScyllaDB, improved the performance of their reads and writes and rearchitected their backend to support the new load. It is an interesting episode lets get into it 0:00 Intro 1:50 Relational vs Distributed 7:00 The Cassandra Troubles 11:00 SnowFlake vs UUID 14:30 B+Tree 19:20 B+Tree and SSDs 25:30 LSM Trees 31:00 Hot partitions 36:00 Cassandra Garbage Collector Pauses 40:00 Changing the Architecture 45:00 The Data Services 55:00 The Migration 1:02:00 Zoned Named Spaces 1:04:00 Summary Article here How Discord Stores Trillions of Messages https://discord.com/blog/how-discord-stores-trillions-of-messages Fundamentals of Backend Engineering Design patterns udemy course (link redirects to udemy with coupon) https://backend.husseinnasser.com Fundamentals of Networking for Effective Backends udemy course (link redirects to udemy with coupon) https://network.husseinnasser.com Follow me on Medium https://medium.com/@hnasr/membership Introduction to NGINX (link redirects to udemy with coupon) https://nginx.husseinnasser.com Python on the Backend (link redirects to udemy with coupon) https://python.husseinnasser.com Become a Member on YouTube https://www.youtube.com/channel/UC_ML5xP23TOWKUcc-oAE_Eg/join Buy me a coffee if you liked this https://www.buymeacoffee.com/hnasr Arabic Software Engineering Channel https://www.youtube.com/channel/UChWZsjdoRvZ0T9QWZOD6UpA 🔥 Members Only Content https://www.youtube.com/playlist?list=UUMO_ML5xP23TOWKUcc-oAE_Eg 🏭 Backend Engineering Videos in Order https://backend.husseinnasser.com 💾 Database Engineering Videos https://www.youtube.com/playlist?list=PLQnljOFTspQXjD0HOzN7P2tgzu7scWpl2 🎙️Listen to the Backend Engineering Podcast https://husseinnasser.com/podcast Gears and tools used on the Channel (affiliates) 🖼️ Slides and Thumbnail Design Canva https://partner.canva.com/c/2766475/647168/10068 Stay Awesome, Hussein
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