Elasticsearch tips

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.

How to list all indices ?

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 ...

Continue Reading β†’