ScyllaDB internals with Felipe Mendes

In this episode we talk about ScyllaDB internals with Felipe Mendes. Chapters: 0:00 ScyllaDB internals with Felipe Mendes 07:51 Write Path - API to Storage 11:40 What makes it faster than Cassandra? 13:39 Optimisations: Sea Star, shard per core architecture 15:49 Optimisations: No Garbage collection and Custom Cache Implementation 18:15 Optimisations: Scheduling groups and IO priority classes 20:07 Optimisations: IO scheduler 22:55 Benefits of shard per core architecture 30:16 Write path - Hows is a coordinator chosen? 38:20 Read path 39:27 Read path optimisations - Index Caching 41:48 Shard vs Partition 43:10 Shard per core architecture tradeoff 44:03 Observability of Database References: ScyllaDB architecture: https://opensource.docs.scylladb.com/stable/architecture/ Sea star: https://seastar.io/ ScyllaDB Caching: https://www.scylladb.com/2018/07/26/how-scylla-data-cache-works/ Shard per core architecture: https://www.scylladb.com/product/technology/shard-per-core-architecture/ Database performance at Scale: https://www.scylladb.com/2023/10/02/introducing-database-performance-at-scale-a-free-open-source-book/ =============================================================================== For discount on the below courses: Appsync: https://appsyncmasterclass.com/?affiliateId=41c07a65-24c8-4499-af3c-b853a3495003 Testing serverless: https://testserverlessapps.com/?affiliateId=41c07a65-24c8-4499-af3c-b853a3495003 Production-Ready Serverless: https://productionreadyserverless.com/?affiliateId=41c07a65-24c8-4499-af3c-b853a3495003 Use the button, Add Discount and enter "geeknarrator" discount code to get 20% discount. =============================================================================== Follow me on Linkedin and Twitter: https://www.linkedin.com/in/kaivalyaapte/ and https://twitter.com/thegeeknarrator If you like this episode, please hit the like button and share it with your network. Also please subscribe if you haven't yet. Database internals series: https://youtu.be/yV_Zp0Mi3xs Popular playlists: Realtime streaming systems: https://www.youtube.com/playlist?list=PLL7QpTxsA4se-mAKKoVOs3VcaP71X_LA- Software Engineering: https://www.youtube.com/playlist?list=PLL7QpTxsA4sf6By03bot5BhKoMgxDUU17 Distributed systems and databases: https://www.youtube.com/playlist?list=PLL7QpTxsA4sfLDUnjBJXJGFhhz94jDd_d Modern databases: https://www.youtube.com/playlist?list=PLL7QpTxsA4scSeZAsCUXijtnfW5ARlrsN Stay Curios! Keep Learning! Cheers, The GeekNarrator