June 12, 2026
How DocValuesSkippers in Lucene 10 make range queries faster without doubling your storage
DocValuesSkippers add block-level skipping to Lucene DocValues fields, speeding up range queries on sorted or insert-ordered indexes with less than 0.1% storage overhead.


June 2, 2026
Elasticsearch reindex now relocates across nodes automatically: zero user intervention, no lost progress
Elasticsearch reindex now survives node shutdowns, uses Point in Time for more efficient source iteration, and ships with dedicated management APIs. Reindex-from-remote is GA in Serverless.

May 20, 2026
Elasticsearch downsampling methods: last-value vs. aggregate sampling
Elasticsearch downsampling now gives you a choice: last-value sampling for maximum storage savings or aggregate sampling for precise rate calculations and counter resets, both fully queryable in ES|QL.

April 2, 2026
When TSDS meets ILM: Designing time series data streams that don't reject late data
How TSDS time bounds interact with ILM phases; and how to design policies that tolerate late-arriving metrics.

December 16, 2025
Reducing Elasticsearch frozen tier costs with Deepfreeze S3 Glacier archival
Learn how to leverage Deepfreeze in Elasticsearch to automate searchable snapshot repository rotation, retaining historical data and aging it into lower cost S3 Glacier tiers after index deletion.

September 22, 2025
Elastic Open Web Crawler as a code
Learn how to use GitHub Actions to manage Elastic Open Crawler configurations, so every time we push changes to the repository, the changes are automatically applied to the deployed instance of the crawler.

August 6, 2025
How to display fields of an Elasticsearch index
Learn how to display fields of an Elasticsearch index using the _mapping and _search APIs, sub-fields, synthetic _source, and runtime fields.

July 14, 2025
Run Elastic Open Crawler in Windows with Docker
Learn how to use Docker to get Open Crawler working in a Windows environment.

June 24, 2025
Ruby scripting in Logstash
Learn about the Logstash Ruby filter plugin for advanced data transformation in your Logstash pipeline.