Small files are a common problem in Lakehouse tables such as Apache Iceberg, particularly with streaming workloads that continuously commit data in small batches. In this episode, Dipankar explores how Apache Iceberg compaction helps address the small file problem. He goes over: ✅ How small files are created ✅ Why they can affect query performance ✅ How Iceberg's Rewrite Data Files operation works ✅ How the default bin-packing strategy rewrites small files ✅ Key parameters that control grouping, concurrency, output file size, and commit behavior ✅ How Cloudera Lakehouse Optimizer can automate and operationalize compaction across multiple Iceberg tables Episode 1: https://youtu.be/oW6dNIxWKwk Episode 2: https://youtu.be/6dM5dVVGGos Episode 3: https://youtu.be/PWD84gK5_O0 Episode 4: https://youtu.be/Y61BpYDumsk 🔔 Subscribe to stay ahead in enterprise AI, open architectures, and data strategy: https://www.youtube.com/channel/UCXY5wm6HlBL_Y_8SDxJNR0g?sub_confirmation=1 Join the Cloudera Community to learn more! 👉https://community.cloudera.com Explore the Full Series: 👉 Full Playlist: https://www.youtube.com/playlist?list=PLe-h9HrA9qfDEdAxiPj9TqEAavd79Aneu *Get Started* 🔹 Request a Demo: https://www.cloudera.com/products/cloudera-data-platform/cdp-demos.html?utm_medium=social-organic&utm_source=youtube&keyplay=cross&utm_campaign=Other---AlwaysOn-GLOBAL-WS-Website-CDP-Demo-Request&cid=7012H000001Z3MrQAK&utm_content=youtube-cta 🔹 Customer Success Stories: https://www.cloudera.com/customers.html?&utm_medium=social-organic&utm_source=youtube&keyplay=cross&utm_campaign=Other---FY27-Global-Always-On-Youtube&cid=UNGATED&utm_content=youtube-cta 🔹 Read the Cloudera blog: https://www.cloudera.com/blog.html *Resources:* Hear more from our customers: https://www.youtube.com/playlist?list=PLe-h9HrA9qfABGzjKR86Sycoyq83EjLl9 Watch Demos: https://www.youtube.com/playlist?list=PLe-h9HrA9qfCZIH6ji5hxKucwXi0xvBSi Chapters: 00:00 Solving Iceberg Small Files 01:05 What Causes Iceberg Small Files 01:58 How Iceberg Compaction Works 08:56 Target File Size Optimization 12:44 Balancing Performance & Costs 14:15 [Demo] Iceberg Compaction Policy *Connect with Cloudera* LinkedIn ► https://www.linkedin.com/company/cloudera Facebook ► https://www.facebook.com/cloudera/ X ► https://twitter.com/cloudera Spotify ► https://open.spotify.com/show/102S8zoZR6nmZV0HxZlxZu #lakehouse #ApacheIceberg #DataEngineering #DataLakehouse #Cloudera

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