Datasource-V2 on Kent Yao

Datasource-V2 on Kent Yao https://yaooqinn.github.io/tags/datasource-v2/ Recent content in Datasource-V2 on Kent Yao Hugo -- 0.157.0 en-us Wed, 01 Apr 2026 00:00:00 +0000 Deep Dive into Spark SQL Metrics (Part 3): Extension APIs, UI, and REST API https://yaooqinn.github.io/posts/spark/sql-metrics-part3-extension-api/ Wed, 01 Apr 2026 00:00:00 +0000 https://yaooqinn.github.io/posts/spark/sql-metrics-part3-extension-api/ Part 3 of the SQL Metrics deep dive. How to extend Spark with custom metrics via the DataSource V2 API, how the UI renders them, and how to query metrics programmatically.