Blogs

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

May 15, 2026

Elastic Cloud on Kubernetes, simplified: zone awareness, restarts, and mTLS

ECK 3.4 reduces zone-aware HA from 40 lines of YAML to one field, adds declarative rolling restarts via annotation, and wires Kibana-Elasticsearch mTLS automatically.

Elastic Cloud on Kubernetes, simplified: zone awareness, restarts, and mTLS
Faster cross-project search in Elasticsearch Serverless with project tags and routing

Faster cross-project search in Elasticsearch Serverless with project tags and routing

Scope cross-project search in Elasticsearch Serverless with project routing to skip non-matching projects entirely, or with project tag fields to filter, aggregate, and sort by tag inside the query.

Don't leave metrics on the table: query them with the ES|QL TS command

May 14, 2026

Don't leave metrics on the table: query them with the ES|QL TS command

Recalibrate your mental model for time series queries: learn why FROM can produce inaccurate results for metrics, how TS fixes that, and when to use each command.

 Approximate queries in Elasticsearch ES|QL: 100x faster on billions of records, with built-in confidence intervals

May 14, 2026

Approximate queries in Elasticsearch ES|QL: 100x faster on billions of records, with built-in confidence intervals

ES|QL now supports approximate query execution. Add one line to your queries, and get results orders of magnitude faster, with built-in confidence intervals that tell you exactly how much to trust them.

Ecommerce search optimization using margin and popularity boosting in Elasticsearch

May 13, 2026

Ecommerce search optimization using margin and popularity boosting in Elasticsearch

Learn how to optimize ecommerce search using margin and popularity boosting. This blog explains how a governed control plane treats economic optimization in Elasticsearch.

Elasticsearch Vector DiskBBQ filter search is now 3–5x faster

May 13, 2026

Elasticsearch Vector DiskBBQ filter search is now 3–5x faster

Learn how Elasticsearch 9.4 makes restrictive filtered DiskBBQ vector search 3–5x faster and more stable by avoiding wasted centroid and postings-list work when selectivity is high.

Elasticsearch query logs: One coordinator-level line per query for ES|QL, DSL, SQL, and EQL

May 12, 2026

Elasticsearch query logs: One coordinator-level line per query for ES|QL, DSL, SQL, and EQL

Easily understand query impact on cluster performance with Elasticsearch query logs. One coordinator-level line records ES|QL, DSL, SQL, and EQL per request and provides full query text, tracing, optional user context, and CCS hints

Elasticsearch ES|QL “schema on read”: Your unmapped fields were there all along

May 12, 2026

Elasticsearch ES|QL “schema on read”: Your unmapped fields were there all along

ES|QL's new unmapped fields feature makes any never-mapped field queryable against historical data (no reindexing needed).

Bringing Fire to Elasticsearch: Adding Native Prometheus API Support

May 11, 2026

Bringing Fire to Elasticsearch: Adding Native Prometheus API Support

Query Elasticsearch directly from Prometheus-compatible clients via native PromQL, discovery, and metadata endpoints. Send data to Elasticsearch with Prometheus Remote Write.

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