I'm the author of Data Engineering Design Patterns (O'Reilly),
a Databricks MVP, and
a freelance data engineer specializing in Apache Spark and Databricks.
I help teams move from working pipelines to resilient architectures.
I'm currently accepting new projects for May 2026. Whether you need a 2-day architectural audit, a hands-on lead for a
complex data engineering problem, or a workshop
let's discuss your project here.
Special web service exists for it: http://localhost:9200/_cat/indices It should return list looking like: yellow open test_index 1 1 0 0 115b 115b yellow open nested_object ...