Tathagata Das

Tathagata Das's posts

lake

June 28, 2023/6 min read

Announcing Delta Lake 3.0 with New Universal Format and Liquid Clustering

Faster MERGE Performance With Low-Shuffle and Photon

October 16, 2022/4 min read

Faster MERGE Performance With Low-Shuffle MERGE and Photon

Social-Graphic-for-Delta-Lake-The-Definitive-Guide-Blog

June 22, 2021/8 min read

Get Your Free Copy of Delta Lake: The Definitive Guide (Early Release)

delta-8-0-og2

February 10, 2021/8 min read

Automatically Evolve Your Nested Column Schema, Stream From a Delta Table Version, and Check Your Constraints

Data Intelligence Platforms

September 29, 2020/9 min read

Diving Into Delta Lake: DML Internals (Update, Delete, Merge)

Data Intelligence Platforms

August 27, 2020/14 min read

Enabling Spark SQL DDL and DML in Delta Lake on Apache Spark 3.0

An example of the operational metrics now available for review in the Spark UI through Delta Lake 0.6.0

May 19, 2020/7 min read

Schema Evolution in Merge Operations and Operational Metrics in Delta Lake

delta-lake

January 29, 2020/7 min read

Query Delta Lake Tables from Presto and Athena, Improved Operations Concurrency, and Merge performance

Data Intelligence Platforms

October 3, 2019/12 min read

Simple, Reliable Upserts and Deletes on Delta Lake Tables using Python APIs

Engineering blog

August 2, 2019/6 min read

Announcing the Delta Lake 0.3.0 Release

Data Intelligence Platforms

March 19, 2019/6 min read

Efficient Upserts into Data Lakes with Databricks Delta

Data Intelligence Platforms

May 2, 2018/5 min read

Introducing Databricks Optimized Autoscaling on Apache Spark™