This is a cache of https://www.elastic.co/search-labs/blog/category/how-to. It is a snapshot of the page at 2025-07-26T00:54:55.919+0000.
How To - Elasticsearch Labs

How To

July 24, 2025

LlamaIndex and Elasticsearch Rerankers: Unbeatable simplicity

Learn how to transition from Llamaindex RankGPT reranker to Elastic built-in semantic reranker.

LlamaIndex and Elasticsearch Rerankers: Unbeatable simplicity
Building Elasticsearch APIs with FastAPI

Building Elasticsearch APIs with FastAPI

Learn how to build an Elasticsearch API with FastAPI using Pydantic schemas and FastAPI background tasks, demonstrated with a practical example.

Elastic Cloud Made Simple: GCP Marketplace

July 21, 2025

Elastic Cloud Made Simple: GCP Marketplace

Learn how to set up and deploy Elastic Cloud using Google Cloud Marketplace.

Elasticsearch rename index

July 18, 2025

Elasticsearch rename index

Learn how to rename an index in Elasticsearch using four practical methods.

AI-powered dashboards: From a vision to Kibana

July 16, 2025

AI-powered dashboards: From a vision to Kibana

Generate a dashboard using an LLM to process an image and turn it into a Kibana Dashboard.

Elasticsearch made simple: GCP Google Compute Engine

July 15, 2025

Elasticsearch made simple: GCP Google Compute Engine

Learn how to set up an Elasticsearch deployment on a Google Compute Engine VM instance with Kibana for search capabilities.

Longer context ≠ better: Why RAG still matters

July 11, 2025

Longer context ≠ better: Why RAG still matters

Learn why the RAG strategy is still relevant and gives the most efficient and better results.

Elasticsearch string contains substring: Advanced query techniques

July 8, 2025

Elasticsearch string contains substring: Advanced query techniques

Explore techniques for querying Elasticsearch to find documents where a field contains a specific substring.

Efficient pagination with collapse and cardinality in Elasticsearch

Efficient pagination with collapse and cardinality in Elasticsearch

Deduplicating product variants in Elasticsearch? Here’s how to determine the correct pagination.

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