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The GeekNarrator

Podcast The GeekNarrator
Kaivalya Apte
The GeekNarrator podcast is a show hosted by Kaivalya Apte who is a Software Engineer and loves to talk about Technology, Technical Interviews, Self Improvement...
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Available Episodes

5 of 86
  • How would you design a database on Object Storage?
    Join Kaivalya Apte and Simon Hørup Eskildsen from Turbopuffer as they talk about the complexities of building a database on top of object storage. Discover the key challenges, the nuances of various storage formats, and the critical trade-offs involved. Learn from Simon's rich experience, from his time at Shopify to creating Turbopuffer. This episode covers everything—from approaches to write-ahead logs to multi-tenancy and object storage advancements. Perfect for database enthusiasts and those keen on first-principles thinking! 00:00 Introduction 00:17 Simon's Background and Journey to TurboBuffer 02:42 Challenges in Database Scalability 04:21 Experimenting with Vector Databases 05:02 Cost Implications of Vector Databases 05:52 Architectural Considerations for Search Workloads 07:39 Building a Database on Object Storage 16:14 Designing a Simple Database on Object Storage 26:01 Handling Multiple Writers and Consistency 31:26 Trade-offs in Write Operations 32:36 Optimizing MySQL Write Performance 34:03 Batching Writes in Object Storage 35:08 Time-Based vs Size-Based Batching 36:32 Understanding Amplification in Databases 42:26 Challenges with Cold Queries 44:02 Building and Persisting B-Trees 50:53 Separating Workloads in Databases 56:07 Multi-Tenancy Challenges 01:00:39 Choosing Storage Formats 01:06:10 Key Innovations in Object Storage Databases Important links: - https://github.com/sirupsen/napkin-math (numbers) - https://turbopuffer.com/ - https://turbopuffer.com/architecture - https://sirupsen.com/napkin/problem-10-mysql-transactions-per-second - https://sirupsen.com (my blog, napkin math) - https://sirupsen.com/subscribe (napkin math newsletter) - https://github.com/rkyv/rkyv rkyv rust Become a member of The GeekNarrator to get access to member only videos, notes and monthly 1:1 with me. Like building stuff? Try out CodeCrafters and build amazing real world systems like Redis, Kafka, Sqlite. Use the link below to signup and get 40% off on paid subscription. https://app.codecrafters.io/join?via=geeknarrator 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!
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  • Practical Systems Learning & Verification with Jack Vanlightly
    Welcome to The GeekNarrator podcast! In this episode, host Kaivalya Apte goes deeper into the practical applications of formal methods with Jack Vanlightly, a principal technologist at Confluent. With years of experience in distributed systems, Jack discusses his journey and how formal methods have been instrumental in system design verification and bug detection. The conversation covers Jack's background, his process of using formal methods, the significance of modelling, verification, documentation, and systems learning, as well as the future evolution of tooling and its applications. Tune in to understand the intricacies of how formal methods can transform your approach to distributed systems! Chapters: 00:00 Introduction to the episode 00:37 Meet Jack VanLightly: Principal Technologist at Confluent 02:17 Jack's Journey into Distributed Systems 04:29 Discovering the Power of Formal Methods 08:11 Modeling and Simulation in Formal Methods 13:43 Verification and Safety Properties 19:02 Documentation and Communication Challenges 20:43 Formal Methods as a Systems Learning Tool 24:26 Practical Applications and Case Studies 56:38 Future of Formal Verification and Closing Thoughts Jack's Blog: https://jack-vanlightly.com/ Become a member of The GeekNarrator to get access to member only videos, notes and monthly 1:1 with me. Like building stuff? Try out CodeCrafters and build amazing real world systems like Redis, Kafka, Sqlite. Use the link below to signup and get 40% off on paid subscription. https://app.codecrafters.io/join?via=geeknarrator 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!
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  • Database Internals - NileDB Postgres re-engineered for multitenant apps
    Database Internals - NileDB: Postgres Re-engineered for Multitenant Apps with Gwen Shapira Join us in this episode as we dive deep into the intricacies of NileDB, a groundbreaking database re-engineered for multi-tenant applications. Our special guest, Gwen Shapira, co-founder of NileDB and a notable figure in the database field, shares her insights and technical know-how on solving the common challenges faced by multitenant SaaS applications. From the benefits of using Postgres as the underlying database to the unique tenant isolation features of NileDB, we cover it all. Don't miss out on learning about AI native capabilities, handling schema migrations, and ensuring zero downtime data migrations. Chapters: 00:00 Introduction 07:19 Challenges in Multi-Tenant Databases 11:09 Tenant Isolation and NILDB's Approach 34:16 Necessary Modifications for Tenant Data 37:47 Zero Downtime Data Migrations 44:32 Handling Schema Migrations 59:11 AI Use Cases and Vector Embedding Storage 59:51 Technical and Non-Technical Learnings from Building Nile 01:05:03 Future Plans and Upcoming Features NileDB: https://www.thenile.dev/ Blog: https://www.thenile.dev/blog Gwen's Linkedin: https://www.linkedin.com/in/gwenshapira Gwen's Twitter: https://twitter.com/gwenshap #postgres #sql #ai Become a member of The GeekNarrator to get access to member only videos, notes and monthly 1:1 with me. Like building stuff? Try out CodeCrafters and build amazing real world systems like Redis, Kafka, Sqlite. Use the link below to signup and get 40% off on paid subscription. https://app.codecrafters.io/join?via=geeknarrator 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!
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  • Building a continuous profiler with Frederic from Polar Signals
    Building a Continuous Profiler with Frederic from Polar Signals | Geek Narrator Podcast In this episode we chat with Frederic from Polar Signals. We dive deep into the intricacies of building a continuous profiler, the challenges faced, and the unique solutions developed by Polar Signals. Frederic shares insights from his background in observability and discusses the innovations in FrostDB, a custom columnar database designed for high-performance query and storage of profiling data. Chapters: 00:00 Introduction 00:29 Frederic's Background 03:40 What is Continuous Profiling? 06:56 Challenges in Data Collection 18:22 Profiling Data Ingestion and Storage Architecture 27:23 Querying Data 28:52 High Cardinality Data and Cost Optimization 23:39 Tenant Isolation and Load Management 41:24 Performance Optimizations 46:02 Testing & Deterministic Simulation 50:33 Technical and Organizational Learnings 54:32 Future of Polar Signals 56:21 Conclusion You can check more about Polar Signals here: https://www.polarsignals.com/ Become a member of The GeekNarrator to get access to member only videos, notes and monthly 1:1 with me. Like building stuff? Try out CodeCrafters and build amazing real world systems like Redis, Kafka, Sqlite. Use the link below to signup and get 40% off on paid subscription. https://app.codecrafters.io/join?via=geeknarrator 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! #distributedsystems #systemdesign
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  • Database Internals - SlateDB with Chris Riccomini
    Welcome back to another episode! Today, I have a special guest, Chris Riccomini, joining me to delve into the exciting world of databases. In this episode, we focus on SlateDB, a new and innovative database that's making waves in the tech community. We'll cover a wide range of topics, including the architecture of SlateDB, its internals, design decisions, and some fascinating use cases. Chris, a seasoned software engineer with a background at LinkedIn and WePay, shares his journey and the motivations behind creating SlateDB. 🎙️ Chatpers: 00:00 Introduction to the Topic and Guest 01:58 Chris Riccomini's Background and Experience 04:19 The Genesis of SlateDB 04:54 Understanding SlateDB's Architecture 10:22 The Rise of Object Storage in Databases 13:43 Exploring SlateDB's Features and Trade-offs 32:54 Understanding Latency Trade-offs 34:12 Exploring Storage Formats and Manifest Files 37:25 Caching Strategies and Optimizations in SlateDB 50:21 Consistency Guarantees and Transactionality 52:36 Integration and Resource Management in SlateDB 56:04 Future Prospects and Use Cases for SlateDB SlateDB: https://slatedb.io/ More about Chris: https://cnr.sh/ Like building stuff? Try out CodeCrafters and build amazing real world systems like Redis, Kafka, Sqlite. Use the link below to signup and get 40% off on paid subscription. https://app.codecrafters.io/join?via=geeknarrator 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! #distributedsystems #systemdesign #formalmethods
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