docs/source/user-guide/concepts-readings-events.md

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# Concepts, Readings, Events

## 🧭 Background Concepts

- **2024-06-13**: [2024 ACM SIGMOD International Conference on Management of Data: Apache Arrow DataFusion: A Fast, Embeddable, Modular Analytic Query Engine](https://dl.acm.org/doi/10.1145/3626246.3653368) - [Download](http://andrew.nerdnetworks.org/other/SIGMOD-2024-lamb.pdf), [Talk](https://youtu.be/-DpKcPfnNms), [Slides](https://docs.google.com/presentation/d/1gqcxSNLGVwaqN0_yJtCbNm19-w5pqPuktII5_EDA6_k/edit#slide=id.p), [Recording ](https://youtu.be/-DpKcPfnNms)

- **2024-06-07**: [Video: SIGMOD 2024 Practice: Apache Arrow DataFusion A Fast, Embeddable, Modular Analytic Query Engine](https://www.youtube.com/watch?v=-DpKcPfnNms&t=5s) - [Slides](https://docs.google.com/presentation/d/1gqcxSNLGVwaqN0_yJtCbNm19-w5pqPuktII5_EDA6_k/edit#slide=id.p)

- **2023-04-05**: [Video: DataFusion Architecture Part 3: Physical Plan and Execution](https://youtu.be/2jkWU3_w6z0) - [Slides](https://docs.google.com/presentation/d/1cA2WQJ2qg6tx6y4Wf8FH2WVSm9JQ5UgmBWATHdik0hg)

- **2023-04-04**: [Video: DataFusion Architecture Part 2: Logical Plans and Expressions](https://youtu.be/EzZTLiSJnhY) - [Slides](https://docs.google.com/presentation/d/1ypylM3-w60kVDW7Q6S99AHzvlBgciTdjsAfqNP85K30)

- **2023-03-31**: [Video: DataFusion Architecture Part 1: Query Engines](https://youtu.be/NVKujPxwSBA) - [Slides](https://docs.google.com/presentation/d/1D3GDVas-8y0sA4c8EOgdCvEjVND4s2E7I6zfs67Y4j8)

- **2020-02-27**: [Online Book: How Query Engines Work](https://andygrove.io/2020/02/how-query-engines-work/)

## ✨ Good Reads

This is a list of DataFusion related blog posts, articles, and other resources. Please open a PR to add any new resources you create or find

- **2025-03-21** [Blog: Efficient Filter Pushdown in Parquet](https://datafusion.apache.org/blog/2025/03/21/parquet-pushdown/)

- **2025-03-20** [Blog: Parquet Pruning in DataFusion: Read Only What Matters](https://datafusion.apache.org/blog/2025/03/20/parquet-pruning/)

- **2025-02-12** [Video: Alex Kesling on Apache Arrow DataFusion - Papers We Love NYC ](https://www.youtube.com/watch?v=6A4vFRpSq3k)

- **2025-01-30** [Video: Data & Drinks: Building Next-Gen Data Systems with Apache DataFusion](https://www.youtube.com/watch?v=GruBeVDoWq4)

- **2024-11-22** [Blog: Apache Datafusion Comet and the story of my first contribution to it](https://semyonsinchenko.github.io/ssinchenko/post/comet-first-contribution/)

- **2024-11-21** [Blog: DataFusion is featured as one of the coolest 10 open source software tools by CRN](https://www.crn.com/news/software/2024/the-10-coolest-open-source-software-tools-of-2024?page=3)

- **2024-11-20** [Blog: Apache DataFusion Comet 0.4.0 Release](https://datafusion.apache.org/blog/2024/11/20/datafusion-comet-0.4.0/)

- **2024-11-19** [Blog: Comparing approaches to User Defined Functions in Apache DataFusion using Python](https://datafusion.apache.org/blog/2024/11/19/datafusion-python-udf-comparisons/)

- **2024-11-18** [Blog: Apache DataFusion is now the fastest single node engine for querying Apache Parquet files](https://datafusion.apache.org/blog/2024/11/18/datafusion-fastest-single-node-parquet-clickbench/)

- **2024-11-18** [Blog: Building Databases over a Weekend](https://www.denormalized.io/blog/building-databases)

- **2024-10-29** [Video: MiDAS Seminar Fall 2024 on "Apache DataFusion" by Andrew Lamb](https://www.youtube.com/watch?v=CpnxuBwHbUc)

- **2024-10-27** [Blog: Caching in DataFusion: Don't read twice](https://blog.haoxp.xyz/posts/caching-datafusion)

- **2024-10-24** [Blog: Parquet pruning in DataFusion: Read no more than you need](https://blog.haoxp.xyz/posts/parquet-to-arrow/)

- **2024-09-13** [Blog: Using StringView / German Style Strings to make Queries Faster: Part 2 - String Operations](https://www.influxdata.com/blog/faster-queries-with-stringview-part-two-influxdb/) | [Reposted on DataFusion Blog](https://datafusion.apache.org/blog/2024/09/13/string-view-german-style-strings-part-2/)

- **2024-09-13** [Blog: Using StringView / German Style Strings to Make Queries Faster: Part 1- Reading Parquet](https://www.influxdata.com/blog/faster-queries-with-stringview-part-one-influxdb/) | [Reposted on Datafusion Blog](https://datafusion.apache.org/blog/2024/09/13/string-view-german-style-strings-part-1/)

- **2024-10-16** [Blog: Candle Image Segmentation](https://www.letsql.com/posts/candle-image-segmentation/)

- **2024-09-23 → 2024-12-02** [Talks: Carnegie Mellon University: Database Building Blocks Seminar Series - Fall 2024](https://db.cs.cmu.edu/seminar2024/)

  - **2024-11-12** [Video: Building InfluxDB 3.0 with the FDAP Stack: Apache Flight, DataFusion, Arrow and Parquet (Paul Dix)](https://www.youtube.com/watch?v=AGS4GNGDK_4)

  - **2024-11-04** [Video: Synnada: Towards “Unified” Compute Engines: Opportunities and Challenges (Mehmet Ozan Kabak)](https://www.youtube.com/watch?v=z38WY9uZtt4)
  - **2024-10-28** [Video: Exon: A Built for Purpose Bioinformatics Database (Trent Hauck)](https://www.youtube.com/watch?v=fltZMO8EGl0&list=PLSE8ODhjZXjZc2AdXq_Lc1JS62R48UX2L&index=6)
  - **2024-10-21** [Video: Accelerating Data and AI with Spice.ai Open-Source Software (Luke Kim)](https://www.youtube.com/watch?v=tyM-ec1lKfU&list=PLSE8ODhjZXjZc2AdXq_Lc1JS62R48UX2L&index=5)
  - **2024-10-07** [Video: ParadeDB – Postgres for Search and Analytics (Philippe Noël)](https://www.youtube.com/watch?v=Vxb8TELNM98&list=PLSE8ODhjZXjZc2AdXq_Lc1JS62R48UX2L&index=4)
  - **2024-09-30** [Video: Accelerating Apache Spark Workloads with Apache DataFusion Comet (Andy Grove)](https://www.youtube.com/watch?v=o59s0d3HE1k&list=PLSE8ODhjZXjZc2AdXq_Lc1JS62R48UX2L&index=3)
  - **2024-09-23** [Video: Apache Arrow DataFusion: A Fast, Embeddable, Modular Analytic Query Engine (Andrew Lamb)](https://www.youtube.com/watch?v=iJhRbDFJjbg&list=PLSE8ODhjZXjZc2AdXq_Lc1JS62R48UX2L&index=2)

- **2024-09-17** [Video: Profiling Apache DataFusion using flamegraph](https://www.youtube.com/watch?v=2z11xtYw_xs)

- **2024-08-25** [Blog: Pydantic/logfire: We're changing database](https://github.com/pydantic/logfire/issues/408)

- **2024-08-15** [Video: Faster DataFusion with StringView - Xiangpeng Hao (Aug 15, 2024)](https://www.youtube.com/watch?v=RVLshX6fbds)

- **2024-08-14** [Blog: DataFusion @ UWheel](https://uwheel.rs/post/datafusion_uwheel/)

- **2024-06-17** [Blog: Columnar File Readers In-Depth: APIs and Fusion](https://blog.lancedb.com/columnar-file-readers-in-depth-apis-and-fusion/)

- **2024-06-14** [Talk: 2024 Simplicity in Management of Data (SiMOD): DataFusion: The Case for Building Open Data Systems (Keynote)](https://sfu-dis.github.io/simod/) - [Slides](https://docs.google.com/presentation/d/1K3EdknzkqU2LhWi_eNKXdcvNk0OEvk9AqTLqhZkPxuI/edit)

- **2024-05-29** [Blog: Query Push Down in Cube's Semantic Layer](https://cube.dev/blog/query-push-down-in-cubes-semantic-layer)

- **2024-06-26** [Talk: Microsoft Gray Systems Lab: Building InfluxDB 3.0 (and other systems)](https://www.microsoft.com/en-us/research/group/gray-systems-lab) - [Slides](https://docs.google.com/presentation/d/1a4wHZij_69drdmD32TPombQ9zSaE6l26LZ87DAz2New/edit#slide=id.p)

- **2024-04-06** [Video: 1 billion row challenge in Rust using Apache Arrow](https://www.youtube.com/watch?v=Bc55FBwuJLA)

- **2024-03-26** [Talk: DataCouncil 2024: Building InfluxDB 3.0 with Apache Arrow, DataFusion, Flight, and Parquet](https://www.datacouncil.ai/talks24/building-influxdb-30-with-apache-arrow-datafusion-flight-and-parquet?hsLang=en) - [Slides](https://docs.google.com/presentation/d/12kdYHLyH79B5__9xs3de_hZyG9geW4jC3vUpiy39VA0), [Recording](https://www.youtube.com/watch?v=I-Z7kFGsYRI)

- **2024-03-20** [Video: Profiling DataFusion with Instruments (part of XCode on Mac OSx)](https://www.youtube.com/watch?v=P3dXH61Kr5U)

- **2024-03-18** [Blog: Making Recent Value Queries Hundreds of Times Faster](https://www.influxdata.com/blog/making-recent-value-queries-hundreds-times-faster/)

- **2023-10-25** [Blog: Flight, DataFusion, Arrow, and Parquet: Using the FDAP Architecture to build InfluxDB 3.0](https://www.influxdata.com/blog/flight-datafusion-arrow-parquet-fdap-architecture-influxdb/)

- **2023-09-26** [Blog: 100x Faster Ingest with DataFusion + Better Connectivity with FlightSQL](https://www.kamu.dev/blog/2023-09-datafusion-flightsql/)

- **2023-08-15** [Blog: Running Window Query in Stream Processing](https://www.synnada.ai/blog/running-window-query-in-stream-processing)

- **2023-08-05** [Blog: Aggregating Millions of Groups Fast in Apache Arrow DataFusion](https://www.influxdata.com/blog/aggregating-millions-groups-fast-apache-arrow-datafusion/) | [DataFusion Blog](https://arrow.apache.org/blog/2023/08/05/datafusion_fast_grouping/)

- **2023-07-28** [Blog: Sliding Window Hash Join (SWHJ)](https://www.synnada.ai/blog/sliding-window-hash-join-swhj)

- **2023-07-13** [Blog: Probabilistic Data Structures in Streaming: Count-Min Sketch](https://www.synnada.ai/blog/probabilistic-data-structures-in-streaming-count-min-sketch)

- **2023-05-25** [Video: D3L2: Discussing Rust, Ballista, Ray SQL, Data Fusion with Andy Grove](https://www.youtube.com/watch?v=NEL6DluUxgw)

- **2023-02-20** [Blog: General Purpose Stream Joins via Pruning Symmetric Hash Joins](https://www.synnada.ai/blog/general-purpose-stream-joins-via-pruning-symmetric-hash-joins)

- **2023-09-27** [Slides: MIT Database Group: Implementing InfluxDB IOx](https://docs.google.com/presentation/d/1_JXxapY2jksCOm5hePK8FIjO3buDzsrBBy0jUEpJR4A)

- **2023-06-02** [Talk: Dutch Seminar on Database System Design: Implementing InfluxDB IOx](https://dsdsd.da.cwi.nl/past_talks/post_talks/Andrew-Lamb/) - [Slides](https://docs.google.com/presentation/d/1XTsO2zsHkgBCF6C0YVwk0BnhZzLBrm39oeapOBb-s9A), [Recording](https://youtu.be/Y5K2Ik2oo-8)

- **2023-02-15** [Slides: Invited Talk at Optum Labs: Building a New Time Series Database](https://docs.google.com/presentation/d/1SzqgTtSKVqpuFUDdOHhRNC3mLmJ7oyVp0OyrYwHvgPA)

- **2023-01-01** [Blog: What I Want from DataFusion 2023](https://andygrove.io/2023/01/what-i-want-from-datafusion-2023/)

- **2022-12-07** [Blog: Querying Parquet with Millisecond Latency](https://www.influxdata.com/blog/querying-parquet-millisecond-latency/)

- **2022-06-27** [Talk: DataBricks Data+AI Summit: DataFusion and Arrow](https://www.databricks.com/dataaisummit/session/datafusion-and-arrow-supercharge-your-data-analytical-tool-rusty-query-engine) - [Slides](https://docs.google.com/presentation/d/1wLORMn23RD_sQ84W2w51s-Xysly5S8F5mGXzaeJ4QWY), [Recording](https://www.databricks.com/dataaisummit/session/datafusion-and-arrow-supercharge-your-data-analytical-tool-rusty-query-engine)

- **2022-05-23** [Video: The Data Thread 2022: Apache Arrow and DataFusion](https://www.youtube.com/watch?v=rb61lVH2vYc) - [Slides](https://docs.google.com/presentation/d/1Tkjfup5z_nsrBWIO7dXscEzC5toTQCXj0IsZeO3endc)

- **2021-03-10** [Video: InfluxData Tech Talk: Query Engine Design and Rust-Based DataFusion in Apache Arrow](https://www.youtube.com/watch?v=K6eCAVEk4kU) - [Slides](https://www.Slideshare.net/influxdata/influxdb-iox-tech-talks-query-engine-design-and-the-rustbased-datafusion-in-apache-arrow-244161934)

## 📅 Release Notes & Updates

- **2025-03-24** [Apache DataFusion 46.0.0 Released](https://datafusion.apache.org/blog/2025/03/24/datafusion-46.0.0/)

- **2024-09-14** [Apache DataFusion Python 43.1.0 Released](https://datafusion.apache.org/blog/2024/12/14/datafusion-python-43.1.0/)

- **2024-08-24** [Apache DataFusion Python 40.1.0 Released, Significant usability updates](https://datafusion.apache.org/blog/2024/08/20/python-datafusion-40.0.0/)

- **2024-07-24** [DataFusion 40.0.0 Release](https://datafusion.apache.org/blog/2024/07/24/datafusion-40.0.0/)

- **2024-01-19** [DataFusion 34.0.0 Release](https://datafusion.apache.org/blog/2024/01/19/datafusion-34.0.0/)

- **2023-06-24** [DataFusion 25.0.0 Release](https://arrow.apache.org/blog/2023/06/24/datafusion-25.0.0/)

- **2023-01-19** [DataFusion 16.0.0 Release](https://arrow.apache.org/blog/2023/01/19/datafusion-16.0.0/)

- **2022-10-25** [DataFusion 13.0.0 Release](https://arrow.apache.org/blog/2022/10/25/datafusion-13.0.0/)

- **2022-05-16** [DataFusion 8.0.0 Release](https://arrow.apache.org/blog/2022/05/16/datafusion-8.0.0/)

- **2022-02-28** [DataFusion 7.0.0 Release](https://arrow.apache.org/blog/2022/02/28/datafusion-7.0.0/)

- **2021-11-19** [DataFusion 6.0.0 Release](https://arrow.apache.org/blog/2021/11/19/datafusion-6.0.0/)

- **2021-08-18** [DataFusion 5.0.0 Release](https://arrow.apache.org/blog/2021/08/18/datafusion-5.0.0/)

- **2019-09-22** [DataFusion 0.15.0 Release Notes](https://andygrove.io/2019/09/datafusion-0.15.0-release-notes/)

# 🌎 Community Events

- **2025-01-23** [Amsterdam Apache DataFusion Meetup](https://github.com/apache/datafusion/discussions/12988) - [Slides](https://github.com/apache/datafusion/discussions/12988)
- **2025-01-22** [Datadog Apache DataFusion Community Meeting](https://www.linkedin.com/posts/seshendranalla_apache-datafusion-community-meeting-2025-activity-7290384383201435648-8tqv) - [Recording](https://www.youtube.com/watch?v=ceTo2vUyRI0)
- **2025-01-15** [Boston Apache DataFusion Meetup](https://github.com/apache/datafusion/discussions/13165) - [Slides](https://docs.google.com/presentation/d/1_zBLHdqxPlhWuNK2oCA2d_hCpb6HWgHbVJBseiUXA80)
- **2024-12-18** [Chicago Apache DataFusion Meetup](https://lu.ma/eq5myc5i) - [Slides](https://github.com/apache/datafusion/discussions/12894), [Recording](https://www.youtube.com/playlist?list=PLrhIfEjaw9ilQEczOQlHyMznabtVRptyX)
- **2024-10-14** [Seattle Apache DataFusion Meetup](https://lu.ma/tnwl866b)
- **2024-09-27** [Belgrade Apache DataFusion Meetup](https://lu.ma/tmwuz4lg) - [Recap](https://github.com/apache/datafusion/discussions/11431#discussioncomment-10832070), [Slides](https://github.com/apache/datafusion/discussions/11431#discussioncomment-10826169), [Recording](https://www.youtube.com/playlist?list=PLrhIfEjaw9ilQEczOQlHyMznabtVRptyX)
- **2024-06-26** [New York City Apache DataFusion Meetup](https://lu.ma/2iwba0xm) - [Slides](https://docs.google.com/presentation/d/1dOLPAFPEMLhLv4NN6O9QSDIyyeiIySqAjky5cVgdWAE/edit#slide=id.g26bebde4fcc_3_7)
- **2024-06-25** [San Francisco Bay Area Apache DataFusion Meetup](https://lu.ma/6bphole2) - [Slides](https://docs.google.com/presentation/d/1Oz2yGllrWBkNGyiRMLr8qXTt4vmvtJWuI_weGThaZak/edit#slide=id.g26bebde4fcc_3_7), [Recording](https://www.youtube.com/playlist?list=PLrhIfEjaw9ilQEczOQlHyMznabtVRptyX)
- **2024-03-27** [Austin Apache DataFusion Meetup](https://github.com/apache/datafusion/discussions/8522) - [Slides](https://docs.google.com/presentation/d/1S51TK8waxHEJaxi_-uiSMrgQZ09m_hfaasPk5X5ExEY), [Recording](https://www.youtube.com/watch?v=q1N3pH3tFw8)