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