Blogs
Developer insights and practical how-to articles from our experts to inspire and empower your search experience.

Elasticsearch ES|QL query builder for JavaScript and TypeScript: Fluent, type-safe query construction
Exploring the Elasticsearch ES|QL query builder for JavaScript and TypeScript and explaining how to build ES|QL queries with practical examples.

How cross-project search (CPS) works in Elasticsearch Serverless
Elastic Cloud Serverless cross-project search (CPS) treats index expressions as cross-project by default. This post explains how TransportSearchAction scopes projects, resolves index expressions, skips projects with no matches, and validates index resolution against allow_no_indices and ignore_unavailable.

Elastic-caveman: Cutting AI response tokens by 64% without losing the best of Elastic
Learn how to use elastic-caveman to cut AI response tokens while keeping the Elastic agentic brilliance.

Your Elasticsearch field mappings are lying to you — METRICS_INFO and TS_INFO tell the truth
Two new Elasticsearch ES|QL commands that turn time series discovery into a single-line query: METRICS_INFO and TS_INFO tell you which metrics and series actually exist in your data, not just what the mapping declares.

Accelerating merchandising improvements with a governed control plane
Search behavior changes shouldn't require an engineering ticket. Learn how a governed control plane lets business teams update search policies in hours, without deployments, without risk.

Stop guessing which query is burning your cluster: Query activity in Kibana
Pinpoint long-running Elasticsearch searches from Kibana: live tasks, origin context, and cancel when the cluster allows without living in low-level APIs.

Preconditioning Vectors: Making Elasticsearch VectorDB Better Binary Quantization work for every vector
Modern quantization techniques can hurt recall when using older models or embeddings that aren’t normally distributed. Learn how preconditioning fixes these vectors through random orthogonal projection, making BBQ more effective and recovering recall.

Reindexing data streams due to mapping conflicts
Learn how to fix Elasticsearch mapping conflicts by reindexing data streams. This blog explains the reindexing process and how to ensure new data is correctly mapped.

How we built Elasticsearch simdvec to make vector search one of the fastest in the world
How we built Elasticsearch simdvec, the hand-tuned SIMD kernel library behind every vector search query in Elasticsearch.

Jina embeddings v3 now available on Gemini Enterprise Agent Platform Model Garden
Jina search foundation model, jina-embeddings-v3, is now self-deployable on Gemini Enterprise Agent Platform Model Garden, with more to follow. Run jina-embeddings-v3 on a single L4 GPU inside your own VPC.

Elastic Security, Observability, and Search now offer interactive UI in your AI tools
Elastic is the first security vendor to ship an interactive UI in AI Conversations, built on the MCP App standard that Anthropic and OpenAI co-authored. It launches alongside two other Elastic MCP Apps for Observability and Search.

Introducing unified API keys for Elastic Cloud Serverless and Elasticsearch
Learn how Elastic unified control plane and data plane authentication in Serverless with a globally distributed IAM architecture. Use one API key for Cloud and Elasticsearch APIs.