December, 2022

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Data Pipeline Design Patterns - #1. Data flow patterns

Start Data Engineering

1. Introduction 2. Source & Sink 2.1. Source Replayability 2.2. Source Ordering 2.3. Sink Overwritability 3. Data pipeline patterns 3.1. Extraction patterns 3.1.1. Time ranged 3.1.2. Full Snapshot 3.1.3. Lookback 3.1.4. Streaming 3.2. Behavioral 3.2.1. Idempotent 3.2.2. Self-healing 3.3. Structural 3.3.1. Multi-hop pipelines 3.3.2. Conditional/ Dynamic pipelines 3.3.3.

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Data Science Minimum: 10 Essential Skills You Need to Know to Start Doing Data Science

KDnuggets

Data science is ever-evolving, so mastering its foundational technical and soft skills will help you be successful in a career as a Data Scientist, as well as pursue advance concepts, such as deep learning and artificial intelligence.

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Dataframe Showdown – Polars vs Spark vs Pandas vs DataFusion. Guess who wins?

Confessions of a Data Guy

There once was a day when no one used DataFrames that much. Back before Spark had really gone mainstream, Data Scientists were still plinking around with Pandas a lot. My My, what would your mother say? How things have changed. Now everyone wants a piece of the DataFrame pie. I mean it tastes so good, […] The post Dataframe Showdown – Polars vs Spark vs Pandas vs DataFusion.

Data 147
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Building a Telegram Bot Powered by Apache Kafka and ksqlDB

Confluent

ksqlDB use case: see how apps can use ksqlDB to ingest, filter, enrich, aggregate, and query data directly with Kafka—no complex architectures or data stores needed.

Kafka 144
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A Guide to Debugging Apache Airflow® DAGs

In Airflow, DAGs (your data pipelines) support nearly every use case. As these workflows grow in complexity and scale, efficiently identifying and resolving issues becomes a critical skill for every data engineer. This is a comprehensive guide with best practices and examples to debugging Airflow DAGs. You’ll learn how to: Create a standardized process for debugging to quickly diagnose errors in your DAGs Identify common issues with DAGs, tasks, and connections Distinguish between Airflow-relate

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Ready-to-go sample data pipelines with Dataflow

Netflix Tech

by Jasmine Omeke , Obi-Ike Nwoke , Olek Gorajek Intro This post is for all data practitioners, who are interested in learning about bootstrapping, standardization and automation of batch data pipelines at Netflix. You may remember Dataflow from the post we wrote last year titled Data pipeline asset management with Dataflow. That article was a deep dive into one of the more technical aspects of Dataflow and didn’t properly introduce this tool in the first place.

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A Return to the Office (RTO) Wave?

The Pragmatic Engineer

👋 Hi, this is Gergely with a bonus, free issue of the Pragmatic Engineer Newsletter. We cover one out of five topics in today’s subscriber-only The Scoop issue. To get this newsletter every week, subscribe here. On Thursday, 29 November, Snap CEO Evan Spiegel, sent an email announcing Snap will mandate 4 days/week in the office, starting from January.

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More Data Science Cheatsheets

KDnuggets

It's time again to look at some data science cheatsheets. Here you can find a short selection of such resources which can cater to different existing levels of knowledge and breadth of topics of interest.

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I asked ChatGPT to write a blog post about Data Engineering. Here it is.

Confessions of a Data Guy

Data engineering is a vital field within the realm of data science that focuses on the practical aspects of collecting, storing, and processing large amounts of data. It involves designing and building the infrastructure to store and process data, as well as developing the tools and systems to extract valuable insights and knowledge from that […] The post I asked ChatGPT to write a blog post about Data Engineering.

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Broadcom Modernizes Machine Learning and Anomaly Detection with ksqlDB

Confluent

Broadcom's Mainframe Operational Intelligence Product (MOI) collects and analyzes data at mass scale, using ksqlDB to improve anomaly detection and custom alarm filtering.

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Increase Your Odds Of Success For Analytics And AI Through More Effective Knowledge Management With AlignAI

Data Engineering Podcast

Summary Making effective use of data requires proper context around the information that is being used. As the size and complexity of your organization increases the difficulty of ensuring that everyone has the necessary knowledge about how to get their work done scales exponentially. Wikis and intranets are a common way to attempt to solve this problem, but they are frequently ineffective.

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Mastering Apache Airflow® 3.0: What’s New (and What’s Next) for Data Orchestration

Speaker: Tamara Fingerlin, Developer Advocate

Apache Airflow® 3.0, the most anticipated Airflow release yet, officially launched this April. As the de facto standard for data orchestration, Airflow is trusted by over 77,000 organizations to power everything from advanced analytics to production AI and MLOps. With the 3.0 release, the top-requested features from the community were delivered, including a revamped UI for easier navigation, stronger security, and greater flexibility to run tasks anywhere at any time.

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How to manage and schedule dbt

Christophe Blefari

Last week dbt Labs decided to change the pricing of their Cloud offering. I've already analysed this in week #22.50 of the Data News. In a nutshell, dbt Cloud pricing is per seat based, which means you pay for each dbt developer. Previously for a team it was $50/month/dev and they increase to $100/month/dev, a 100% increase with a team limit of 8 devs and only one project.

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Data warehouses vs Data Lakes vs Databases – Which One Do You Need

Seattle Data Guy

By Reseun McClendon Today, your enterprise must effectively collect, store, and integrate data from disparate sources to both provide operational and analytical benefits. Whether its helping increase revenue by finding new customers or reducing costs, all of it starts with data. Data analysts, data scientists, engineers, and managers all require a robust data storage solution for… Read more The post Data warehouses vs Data Lakes vs Databases – Which One Do You Need appeared first on

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Top 38 Python Libraries for Data Science, Data Visualization & Machine Learning

KDnuggets

This article compiles the 38 top Python libraries for data science, data visualization & machine learning, as best determined by KDnuggets staff.

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What is Apache Arrow? Asking for a friend.

Confessions of a Data Guy

We’ve all been in that spot, especially in tech. You wanted to fit in, be cool, and look smart, so you didn’t ask any questions. And now it’s too late. You’re stuck. Now you simply can’t ask … you’re too afraid. I get it. Apache Arrow is probably one of those things. It keeps popping […] The post What is Apache Arrow?

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Agent Tooling: Connecting AI to Your Tools, Systems & Data

Speaker: Alex Salazar, CEO & Co-Founder @ Arcade | Nate Barbettini, Founding Engineer @ Arcade | Tony Karrer, Founder & CTO @ Aggregage

There’s a lot of noise surrounding the ability of AI agents to connect to your tools, systems and data. But building an AI application into a reliable, secure workflow agent isn’t as simple as plugging in an API. As an engineering leader, it can be challenging to make sense of this evolving landscape, but agent tooling provides such high value that it’s critical we figure out how to move forward.

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From Eager to Smarter in Apache Kafka Consumer Rebalances

Confluent

Major improvements to the Kafka consumer, Streams, and ksqlDB for incremental cooperative rebalancing while maintaining at-least-once and exactly-once guarantees.

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Using Product Driven Development To Improve The Productivity And Effectiveness Of Your Data Teams

Data Engineering Podcast

Summary With all of the messaging about treating data as a product it is becoming difficult to know what that even means. Vishal Singh is the head of products at Starburst which means that he has to spend all of his time thinking and talking about the details of product thinking and its application to data. In this episode he shares his thoughts on the strategic and tactical elements of moving your work as a data professional from being task-oriented to being product-oriented and the long term i

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Data News — Week 22.50

Christophe Blefari

Prepping me to deliver Christmas' Data News ( credits ) Hey you, the end of the year is coming soon. I really liked this year with you. It was super fun to write every Friday of the year my opinion on data topics, I don't know yet if next year I'll be able to pull out stuff without repeating myself, I hate repeating myself, but for sure I'll try and I'll continue.

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Reducing Data Analytics Costs In 2023 – Doing More With Less

Seattle Data Guy

If you haven’t started looking for ways to improve your data analytics budget for 2023, then you’re probably already behind. The truth is that between all of the various economic indicators and investor letters, everyone is looking to improve audit all parts of their business. Especially where there has likely been bloat. One of those… Read more The post Reducing Data Analytics Costs In 2023 – Doing More With Less appeared first on Seattle Data Guy.

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How to Modernize Manufacturing Without Losing Control

Speaker: Andrew Skoog, Founder of MachinistX & President of Hexis Representatives

Manufacturing is evolving, and the right technology can empower—not replace—your workforce. Smart automation and AI-driven software are revolutionizing decision-making, optimizing processes, and improving efficiency. But how do you implement these tools with confidence and ensure they complement human expertise rather than override it? Join industry expert Andrew Skoog as he explores how manufacturers can leverage automation to enhance operations, streamline workflows, and make smarter, data-dri

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5 Tasks To Automate With Python

KDnuggets

Here are 5 tasks you can automate with Python, and how to do it.

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Why Data Migrations Suck.

Confessions of a Data Guy

I’ve often wondered what purgatory would be like, doing penance for millennia into eternity. It would probably be doing data migrations. I suppose they are not all that dissimilar from normal software migrations, but there are a few things that make data migrations a little more horrible and soul-sucking. Data migrations are able to slow […] The post Why Data Migrations Suck. appeared first on Confessions of a Data Guy.

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Measuring Code Coverage of Golang Binaries with Bincover

Confluent

Here's a deep dive on how we implemented Bincover, a simple, open source tool for measuring code coverage of Golang binaries.

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Simple And Scalable Encryption Of Data In Use For Analytics And Machine Learning With Opaque Systems

Data Engineering Podcast

Summary Encryption and security are critical elements in data analytics and machine learning applications. We have well developed protocols and practices around data that is at rest and in motion, but security around data in use is still severely lacking. Recognizing this shortcoming and the capabilities that could be unlocked by a robust solution Rishabh Poddar helped to create Opaque Systems as an outgrowth of his PhD studies.

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Optimizing The Modern Developer Experience with Coder

Many software teams have migrated their testing and production workloads to the cloud, yet development environments often remain tied to outdated local setups, limiting efficiency and growth. This is where Coder comes in. In our 101 Coder webinar, you’ll explore how cloud-based development environments can unlock new levels of productivity. Discover how to transition from local setups to a secure, cloud-powered ecosystem with ease.

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Data News — Week 22.49

Christophe Blefari

This is what we call a Chat in French ( credits ) Hello there, this is Christophe, live from the human world. Last week have been totally driven by ChatGPT frenzy, the social networks I use to follow are spammed with conversation screenshots and hype. On my side I don't know what the future holds for us but for sure MaaS—Models as a Service—looks not bright to me.

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Best of 2022: 5 Most Popular Cybersecurity Blogs Of The Year

U-Next

Introduction. Are you a Cybersecurity enthusiast looking to know the latest trends and goings in the cybersecurity industry? Or are you just a tech enthusiast who likes to be updated with the ongoings around them? Then you are at the perfect place. As another year comes to an end, we decided the best way to look back was to revisit the most popular and sought-after blogs of Cybersecurity and list the same for all our Cybersecurity enthusiasts.

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Learn Data Science From These GitHub Repositories

KDnuggets

Kickstart your data science career with these curated GitHub repositories.

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A Tale of Betrayal and Heartbreak – Databricks Workflows and Jobs.

Confessions of a Data Guy

Nothing captures the imagination and heart like a tale of betrayal and heartbreak, and that is a tale I want to bring to you today. It’s a tale of Databricks Workflows and Jobs, version changes, new features, API’s, and insidious little hidden gems that will make you pull your hair out when you find them. […] The post A Tale of Betrayal and Heartbreak – Databricks Workflows and Jobs. appeared first on Confessions of a Data Guy.

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15 Modern Use Cases for Enterprise Business Intelligence

Large enterprises face unique challenges in optimizing their Business Intelligence (BI) output due to the sheer scale and complexity of their operations. Unlike smaller organizations, where basic BI features and simple dashboards might suffice, enterprises must manage vast amounts of data from diverse sources. What are the top modern BI use cases for enterprise businesses to help you get a leg up on the competition?

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ksqlDB Execution Plans: Move Fast But Don’t Break Things

Confluent

Build fast, break nothing. Learn about the unique challenges Confluent's engineering team has faced building ksqlDB and continuously shipping the latest, greatest features.

Building 124
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Making Sense Of The Technical And Organizational Considerations Of Data Contracts

Data Engineering Podcast

Summary One of the reasons that data work is so challenging is because no single person or team owns the entire process. This introduces friction in the process of collecting, processing, and using data. In order to reduce the potential for broken pipelines some teams have started to adopt the idea of data contracts. In this episode Abe Gong brings his experiences with the Great Expectations project and community to discuss the technical and organizational considerations involved in implementing

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Data News — Week 22.48

Christophe Blefari

Train(s) ( credits ) Hey you, this is an unusual Saturday. I'm terribly late with this newsletter. This week I had a huge amount of work to deal with and we've launched the Advent of Data , your daily spark of data in December. Thanks to everyone who accepted to participate, we already published the 3 first articles and I can't wait to read everything else writers are working on.

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Safety First: Using vehicle data to make us all better drivers

Teradata

Vehicle data is invaluable in improving the safety & safe operation of vehicles for their occupants & other drivers. The next gen of vehicles will use real-time analysis to make driving even safer.

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The Ultimate Guide to Apache Airflow DAGS

With Airflow being the open-source standard for workflow orchestration, knowing how to write Airflow DAGs has become an essential skill for every data engineer. This eBook provides a comprehensive overview of DAG writing features with plenty of example code. You’ll learn how to: Understand the building blocks DAGs, combine them in complex pipelines, and schedule your DAG to run exactly when you want it to Write DAGs that adapt to your data at runtime and set up alerts and notifications Scale you