#delta-lake articles

AAAbstract Algorithmsabstractalgorithms.devApr 19 · 34 min read

Reading and Writing Data in Spark: Parquet, Delta, JSON, and JDBC

TLDR: Parquet's columnar layout with row-group statistics enables predicate pushdown that can reduce a 500 GB scan to 8 GB. Delta Lake wraps Parquet with a JSON transaction log to add ACID semantics a

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RLRisingWave Labsrisingwave.comApr 3 · 7 min read

Apache Iceberg vs Delta Lake vs Apache Hudi: Table Format Comparison

Apache Iceberg, Delta Lake, and Apache Hudi are all open table formats that bring ACID transactions and reliable analytics to data lakes. Iceberg offers the broadest multi-engine support and most flexible metadata design. Delta Lake has the deepest S...

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AAAbstract Algorithmsabstractalgorithms.devMar 28 · 23 min read

Medallion Architecture: Bronze, Silver, and Gold Layers in Practice

TLDR: Medallion Architecture solves the "data swamp" problem by organizing a data lake into three progressively refined zones — Bronze (raw, immutable), Silver (cleaned, conformed), Gold (aggregated,

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AAAbstract Algorithmsabstractalgorithms.devMar 28 · 24 min read

Modern Table Formats: Delta Lake vs Apache Iceberg vs Apache Hudi

TLDR: Delta Lake, Apache Iceberg, and Apache Hudi are open table formats that wrap Parquet files with a transaction log (or snapshot tree) to deliver ACID guarantees, time travel, schema evolution, an

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APArnaud Pouppevillearnaudp.devFeb 18 · 7 min read

How Z-Order Cut My Databricks ETL Time in Half

I spent years working with SQL Server before moving to Databricks. In SQL Server, clustered indexes are second nature. You define them, the engine physically organizes rows on disk in that order, and your queries fly. When I started building data pip...

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AMAlex Mercedtechblog.alexmerced.comJan 7, 2025 · 5 min read

When to use Apache Xtable or Delta Lake Uniform for Data Lakehouse Interoperability

Blog: What is a Data Lakehouse and a Table Format? Free Copy of Apache Iceberg the Definitive Guide Free Apache Iceberg Crash Course Lakehouse Catalog Course Iceberg Lakehouse Engineering Video Playlist The value of the lakehouse model, along with t...

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HCHarshita Chaudharyharshita.hashnode.devMar 30, 2024 · 3 min read

Databricks Overview

What is Databricks? Databricks, developed by the creators of Spark, offers a comprehensive solution for all data needs. From storage to insights via SparkSQL, visualization with tools like Tableau and PowerBI, to model building with SparkML, it serve...

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AJAaron Jevil Nazarethaarons-space.hashnode.devMar 4, 2024 · 2 min read

Delta Lake(.Parquet) vs JSON Formats for storage

Introduction Fast storage and retrieval of data are vital for maintaining a competitive edge, enhancing user experience, and facilitating efficient decision-making, especially in a fast-paced digital environment where responsiveness and scalability a...

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ASAnuj Syalanujsyal.comMay 17, 2023 · 9 min read

Top 5 New Data Engineering Technologies to Learn in 2023

In today's fast-paced digital world, keeping up with the latest advancements in data engineering is crucial to stay ahead of the competition. With the amount of data collected every day increasing, data engineering plays an important role in guarante...

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