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.


May 15, 2026
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
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.

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.

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.

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.

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

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).

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.