The GeekNarrator

In this episode I am talking to Javier Ramirez from QuestDB, about everything QuestDB. This episode is a great resource to understand how QuestDB works, its architecture, what is it optimised for and whats upcoming as per the roadmap. If you have timeseries data and need a simple yet highly scalable solution, #QuestDB is a great option. Chapters: 00:00 Introduction 03:04 Understanding QuestDB: Origins and Use Cases 09:21 Deep Dive into QuestDB's Architecture and Data Ingestion 19:07 Optimizing Data Reads and Writes in QuestDB 28:40 Exploring Data Granularity and Partitioning in QuestDB 29:29 Optimizing Query Performance with Partition Strategies 30:26 Handling Data Ingestion and Query Efficiency 32:58 In-depth Look at Data Duplication and Ingestion Performance 34:55 Understanding Compression and Its Impact on Performance 38:51 Replication and Data Distribution Strategies 47:10 Observability and Metrics in QuestDB 50:57 Future Developments and Enhancements in QuestDB 58:45 Closing Remarks Links: QuestDB: https://questdb.io/ Github: https://github.com/questdb/questdb =============================================================================== 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! #questdb #sql #timeseries #timeseriesanalysis #databases #highscale #scaleup #performance #parquet #S3 #replication #writeaheadlog #wal #durability #columnstore

In this episode I talk to Andras Gerlits, who founded omniledger.io. Andras has a very interesting view on how Distributed Consistency should work that can get rid of several bottlenecks when it comes to maintaining Distributed consistency. He argues how getting rid of a global wall clock and using causality to approach Distributed consistency helps you build resilient, simple and performant systems. We have gone deeper into how that can be achieved and how the product works. Chapters: 00:00 Introduction 00:52 Andras's Journey into Distributed Consistency 03:04 The Evolution of Data Consistency in Banking and Beyond 08:04 Introducing Client-Centric Consistency 10:36 Exploring the Standard Model of Distributed Consistency 16:01 Redefining Strong Consistency with a Relativistic Approach 34:25 Practical Implications of Client-Centric Consistency in Banking 36:20 Mitigating Latencies and Partitions in Distributed Systems 41:08 Exploring System Reliability and Availability 41:52 Tuning System Properties for Specific Use Cases 43:07 Comparing Standard and New Models for Data Management 45:08 Understanding Local Progress and Mutex-Free Updates 47:23 Deep Dive into Token-Based Ordering and Global Calibration 58:30 Introducing OmniLedger: A New Approach to Distributed Consistency 01:02:41 Performance Optimizations and Tunable Consistency 01:08:20 Ideal Use Cases and Potential Limitations of OmniLedger 01:14:30 Future Directions and Closing Thoughts Links: Our website: https://omniledger.io A long-form essay on the thinking behind our model: https://medium.com/p/5e397cb12e63 A demo of transactionality https://www.youtube.com/watch?v=XJSSjY4szZE I think my blog in general might be interesting to some https://medium.com/@andrasgerlits The science-paper with all its mathematical rigour: https://www.researchgate.net/publication/359578461_Continuous_Integration_of_Data_Histories_into_Consistent_Namespaces =============================================================================== 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! #databases #sql #consistency #distributedsystems

In a compelling discussion, Semih Salihoglu, an Associate Professor at the University of Waterloo and CEO of KuzuDB, dives into the world of graph databases. He unveils the journey of KuzuDB from academic roots to an innovative startup. The conversation reveals when to choose a graph database, KuzuDB's unique features compared to traditional systems, and advanced query optimization techniques. Salihoglu also shares insights on handling data ingestion and write operations, highlighting KuzuDB's efficiency and future aspirations in the data landscape.

In this video, I talk to Stephan Ewen from Restate, who is popularly known from the world of Apache Flink. We have talked about the problems in the world of Distributed systems and the complex solutions developers have to deal with. This complexity makes the architecture so complex that it eventually creates reliability, Observability and delivery velocity problems. Restate aims to solve it by making resilience and durability for your services, functions and RPC a lot simpler. Chapters: 00:00 Introduction 00:45 Introducing Restate: A Solution for Distributed System Challenges 01:22 Deep Dive into Restate with Stefan: From Apache Flink to Building Resilient Systems 06:04 The Complexities of Distributed Systems and How Restate Addresses Them 15:49 The Vision of Restate: Simplifying Developer Experience in Distributed Systems 24:42 Integrating Restate into Your Architecture: A User's Perspective 33:16 Exploring Restate: The Durable Service Mesh 33:32 The Power of Restate in Handling Transactions 34:26 Restate's Role in Service Communication and Durability 35:40 Deep Dive into Restate's Mechanisms and Benefits 38:04 Practical Example: Email Pipeline with Restate 39:40 Understanding Restate's Log and Event Handling 58:43 Restate's Unique Features and Programming Model 01:04:22 Final Thoughts on Restate's Impact and Deployment Restate: https://restate.dev/ =============================================================================== 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! #distributedsystems #faulttolerance #reliability #resilience

In this episode of The GeekNarrator podcast, our host Kaivalya talks to Seeta Somagani from Volt Active Data, a low latency stream processing platform. They discuss fascinating topics about what low latency stream processing means, the different guarantees that Volt Active Data provides, and the various problems it can solve. They delve into the evolution of VoltDB to Volt Active Data, real-time data processing use cases, the high-level architecture, and how the platform effectively addresses high-concurrency challenges. This is a must-listen for anyone interested in understanding latency critical applications, data processing, and high performance computing. Chapters: 00:00 Welcome to The GeekNarrator Podcast with Special Guest from Volt Active Data 00:41 Introduction 01:45 The Evolution of VoltDB to Volt Active Data 06:13 Exploring Real-Time Data Processing and Use Cases 08:25 Addressing High-Concurrency Challenges in Various Industries 12:57 High-Level Architecture of Volt Active Data 19:26 Understanding Stored Procedures and Data Processing in Volt 22:48 Practical Application: Tracking Data Usage with Volt Active Data 25:16 Diving into Replicated and Partitioned Tables 25:44 Exploring Event Processing and Exporting 26:57 Understanding Stored Procedures and Performance 29:03 Partitioning Strategies and Recommendations 31:39 Ensuring Determinism in Stored Procedures 35:02 Handling Complex Requirements with Compound Procedures 37:25 Fault Tolerance and Data Replication Strategies 40:44 Exploring Use Cases for VoltActiveData 43:30 The Future of Streaming and VoltActiveData's Role 47:05 Closing Remarks and How to Learn More Volt Active Data: https://www.voltactivedata.com/use-cases/activesd-streaming-data/ =============================================================================== 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! #sql #streamprocessing #java #acid

In an enlightening episode of the GeekNarrator Podcast, host Kaivalya Apte and TigerBeetle's CEO, Joran, delve deep into the world of online transaction processing (OLTP). They discuss the origin, unique architecture, and innovative methodologies behind TigerBeetle, a database tailored to efficiently handle high-volume transaction systems. The podcast explores the system's key features such as efficient scalability, performance-oriented design, and optimized memory usage, demonstrating its robustness in handling business transactions and accounting. It also elucidates TigerBeetle’s adaptability to various domains beyond finance, like energy management and gaming, while highlighting the rigorous testing it undergoes for impeccable quality assurance. Chapters: 00:00 Introduction 01:19 Joran's Journey into Databases 03:59 Understanding Financial Transaction Databases 07:41 The Evolution of OLTP and OLAP 16:13 The Need for a New Database: TigerBeetle 16:53 Performance and Safety Features of TigerBeetle 28:49 The Importance of Safety in Financial Transactions 36:49 Changing Developer Experience with TigerBeetle 41:43 Understanding the CPU and Memory Bandwidth 42:12 The Importance of Data Format Language 43:27 The Concept of Serialization and its Impact 46:23 The Architecture of TigerBeetle 46:29 The Role of Replicated State Machine 48:18 The Importance of Consensus in Replication 50:20 The Structure of TigerBeetle 50:37 The Importance of Log in Systems 50:51 Understanding the State in Replicated State Machine 52:55 The Role of LSM in TigerBeetle 53:55 The Impact of Compaction Process on Performance 57:06 The Importance of Predictability in Software 01:06:15 The Read and Write Path in TigerBeetle 01:14:46 Potential Use Cases for TigerBeetle 01:17:09 Understanding the Limitations of TigerBeetle =============================================================================== 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! #tigerbeetledb #databases #acid #olap #oltp #postgres #mysql

In this episode, we dive deep into the world of clean coding with none other than the master and pioneer of the field, Uncle Bob. We explore the nuances and the art behind writing effective and efficient scripts. This conversation covers the nitty-gritty of writing and editing scripts, from understanding how to break down large functions, to discussing principles like 'Single Responsibility Principle', 'Dependency Inversion Principle' and how to balance the 'DRY' (Don't Repeat Yourself) principles. Uncle Bob also shares valuable insights on testing, handling errors, naming conventions and how to work with different types of duplication in coding. He shares recommended resources and books that every coder should read. Chapters: 00:00 Introduction and Welcome 00:06 The Importance of Code Quality 00:29 Introducing Robert Martin (Uncle Bob) 01:39 Uncle Bob's Journey in Programming 02:34 Discussion on Functional Design and New Book 03:52 The Evolution of Software Development 04:28 Revisiting the Clean Code Book 04:49 The Impact of Hardware Changes on Software 06:13 The Evolution of Programming Languages 07:33 The Importance of Code Structure and Organization 09:07 The Impact of Microservices and Open Source 11:14 The Role of Modular Programming 22:07 The Importance of Naming in Code 26:31 The Role of Functions in Code 34:12 The Role of Switch Statements in Code 42:36 The Importance of Immutability 51:00 Dealing with Complex Steps in Programming 51:21 Implementing State Machines in Programming 51:46 The Pragmatic Approach to Programming 53:01 Understanding Error Handling in Programming 54:08 The Challenge of Exception Handling 57:27 The Importance of Log Messages in Debugging 01:03:05 The Dilemma of Code Duplication 01:05:51 The Intricacies of Error Handling 01:07:40 The Role of Abstraction in Programming 01:13:55 The Importance of Testing in Programming 01:19:43 The Challenges of Mocking in Testing 01:25:11 The Essence of Programming: Discipline, Ethics, and Standards Book Recommendations: Tidy First: https://www.oreilly.com/library/view/tidy-first/9781098151232/ Design Patterns: https://www.amazon.de/-/en/Erich-Gamma/dp/0201633612 Analysis Pattern: https://martinfowler.com/books/ap.html Structured Analysis and System Specification: https://www.amazon.de/-/en/Tom-Demarco/dp/0138543801 Fundamental Algorithms: https://www.amazon.com/Art-Computer-Programming-Vol-Fundamental/dp/0201896834 Sorting and Searching: https://www.amazon.de/-/en/Donald-Knuth/dp/0201896850 Structure and Interpretation of Computer Programs: https://web.mit.edu/6.001/6.037/sicp.pdf =============================================================================== 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!

In this episode of the Geek Narrator Podcast, Kaivalya Apte engages in an invigorating discussion with Dominik Tornow, the founder and CEO of Resonate. They explore Durable Async-Await, an interesting concept in distributed systems world, along with other nuances of distributed programming. Dominik also talks about the development and execution of Resonate to simplify distributed systems with a focus on observability, usability, and it's future direction. The conversation concludes with a discussion of different concurrency models and the future of distributed systems Chapters: 00:00 Introduction and Guest Background 02:44 Understanding Async Await 10:25 Challenges with Current Async Await Model 12:53 Introducing Resonate: A Solution for Distributed Async Await 13:34 Practical Application: E-commerce Example 24:57 Understanding the Role of the Platform in Distributed Systems 30:12 Dealing with Partial Failures in Distributed Systems 39:44 Getting Started with Resonate 40:40 Introduction to Resonate and its Simplicity 41:09 Getting Started with Resonate: Installation and Setup 42:22 Understanding the Durability Aspect of Resonate 42:49 Exploring the Resonate Durable Promise Server 44:10 Scaling Up: Introducing Workers into the System 48:35 The Importance of Open Standards in Resonate 50:17 Exploring the Integration Capabilities of Durable Promises 01:04:31 Understanding the Role of Timeouts in Durable Promises 01:07:29 The Future of Resonate: Challenges and Upcoming Features 01:13:04 Understanding the Limitations of Durable Promises 01:14:51 Wrapping Up: Final Thoughts on Resonate and Durable Promises References: A note on Distributed Systems: https://scholar.harvard.edu/files/waldo/files/waldo-94.pdf Thinking in Distributed Systems: https://dtornow.gumroad.com/l/distributed-systems McCarthy's paper: https://www-formal.stanford.edu/jmc/recursive/recursive.html =============================================================================== 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!

Join Liz Fong-Jones, Field CTO at Honeycomb, as she discusses the importance of observability engineering, the role of Honeycomb in popularizing this concept, and the evolution of observability. They delve into Service-Level Objectives (SLOs) & indicators (SLIs), critical user journeys, common mistakes in setting up SLOs, and cultivating an observability-driven development culture.

In this video I talk about Apache Pulsar with Matteo Merli, CTO at StreamNative. This episode will provide you good insight about how Apache Pulsar works and more importantly differs with the most popular Pub/Sub and streaming platform Apache Kafka. Things like, what enables possibility of 1 million topics? Why is rebalancing not required? How does decoupled storage and compute architecture works? How it uses the concept of Subscriptions to avoid retaining data unnecessarily? And much more... Chapters: 00:00 Introduction and Guest Introduction 00:08 Understanding Apache Pulsar and its Origin 01:22 The Problem Apache Pulsar was Designed to Solve 02:35 The Evolution of Apache Pulsar 05:15 Understanding Basic Concepts of Apache Pulsar 09:27 Deep Dive into Apache Pulsar's Architecture 21:16 Understanding the Flow of Data in Apache Pulsar 28:54 Understanding Subscriptions in Apache Pulsar 31:57 Understanding End-to-End Latency and Subscription Creation 32:32 Broker's Role and Handling Metadata 33:05 Memory Management and Consumer Handling 34:07 Message Processing and Flow Control 34:32 Message Storage and Retrieval 36:00 Comparing Pulsar with Kafka 43:52 Understanding Multi-Tenancy in Pulsar 49:17 Exploring Tiered Storage and Future Developments Important links: StreamNative: https://streamnative.io/ Apache Pulsar: https://pulsar.apache.org/ Matteo Merli: https://twitter.com/merlimat =============================================================================== 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!