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Erik Gfesser

📍 Greater Chicago Area

Blog Note: Part 2 - Blog post categories consolidation

Blog post categories have been consolidated as follows, reflected in the nearby category cloud. Goals: simplify across the board into less than 20 categories, and update terminology. analytics ==> data analytics ==> blog note android architecture blog note book reading list book review book review solicited case study community conferences

Community Post: Part 4 - A book on deepfake detection quoted me

A well-received community post I recently made: https://www.linkedin.com/posts/erikgfesser_spark-bigdata-analytics-activity-7130307566965776384-ZYnv I'm apparently being quoted in books now. The quote is in chapter 3 ("Deepfakes Spark Implementation for BigData Analytics") of a book entitled "Handbook of Research on Advanced Practical Approaches to

Community Post: Part 3 - Delta Lake 3.0 is like an electric car charging standard

* The power of open source * Delta Lake 3.0 is just one example * Parquet-based data lakehouse file format * Similar to electric car charging standard A well-received community post I recently made: https://www.linkedin.com/posts/erikgfesser_snowflake-deltalake-iceberg-activity-7080482215016476672-Xrh0 Just over two months ago in mid-April of this year, I couldn&

New Book Review: "The Ideal Executive"

New book review for The Ideal Executive: Why You Cannot Be One and What To Do About It, by Ichak Kalderon Adizes PhD, Adizes Institute, 2004: Without question, this book is the best on the topic of "management" I've ever read in my entire career. The

Community Comment: Part 30 - With respect to Azure, Databricks Unity Catalog & Microsoft Purview is not an either-or proposition

* Databricks Unity Catalog & Microsoft Purview * Not an either-or proposition for Azure * Likely need to integrate these products * Integration dependant on several factors The comments I provided in reaction to a community discussion thread. Cloud Solutions Architect at Consulting Firm: Read my latest post if you want to know what

Community Comment: Part 29 - Usage of normalized versus denormalized data storage is dependent on usage patterns

* Normalized versus denormalized data * Data storage dependent on usage patterns * Denormalized data makes reads efficient * Normalized data makes writes efficient The comments I provided in reaction to a community discussion thread. CEO at Business Intelligence Product Firm: After 100s of conversations with analytics engineers, I'm convinced the way

Community Comment: Part 28 - Technical debt is actually a subset of organizational debt

* Not all technical debt is the same * Discussion with purported CTOs * Technical debt is subset of organizational debt * Business + technology = "our business" The comments I provided in reaction to a community discussion thread. Fractional CTO and "Engineering Management Expert": "Technical debt? Is that a joke?

Community Comment: Part 27 - Assessment is needed when deciding between transactional and analytical modeling

* Transactional versus analytical modeling * Discussion with purported staff data engineer * Making broad generalizations doesn't help * Quoting $ savings in vacuum not advised The comments I provided in reaction to a community discussion thread. Owner of Data Engineering Training Firm and former Staff Data Engineer at Airbnb: If you model

New Book Review: "Running Toward Life"

New book review for Running Toward Life: Finding Community and Wisdom in the Distances We Run, by John Trent, Broad Book Press, 2023: Copy provided by Amazon. Trent mentions in his introduction that his hope in writing this book is to speak to various phases of one's running

New Book Review: "The Threshold"

New book review for The Threshold: Leading in the Age of AI, by Nick Chatrath, Diversion Books, 2023: Copy provided by Amazon. In the introductory pages of this book, Chatrath states that "this book functions as a first foray into exploring what good leadership looks like in the present