do MORE with stateLESS Elasticsearch

JUG Summer Camp – La Rochelle 🇫🇷

Sep. 2025

David Pilato

Slides

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Abstract

Comment feriez-vous pour créer Elasticsearch si vous commenciez ce projet en 2025 ?

  • Découpler le calcul (compute) du stockage (storage)
  • Externaliser la gestion de la persistence et la réplication à un blob store comme S3, Google Cloud Storage ou encore Azure Blob Storage
  • Dynamiquement ajouter ou supprimer des instances
  • Avoir les bonnes valeurs par défaut
  • Et un chemin hyper clair et fluide pour les développeurs

C’est exactement ce que nous avons fait avec Elastic Serverless.

Lors de cette session, vous allez découvrir comment nous avons re-conçu Elasticsearch pour lui permettre d’en faire davantage avec une architecture Stateless qui peut exécuter des requêtes sur un espace de stockage froid (cold storage).

Video

Resources

The following resources were mentioned during the presentation or are useful additional information.

Documentation: Elastic Serverless

This is the official Elastic Serverless documentation.

Documentation: Elasticsearch Serverless API

This is the official Elasticsearch Serverless API documentation.
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Details

I discovered Elasticsearch project in 2011. After contributed to the project and created open source plugins for it, David joined elastic the company in 2013 where he is Developer and Evangelist. He also created and still actively managing the French spoken language User Group. At elastic, he mainly worked on Elasticsearch source code, specifically on open-source plugins. In his free time, he likes talking about elasticsearch in conferences or in companies (Brown Bag Lunches AKA BBLs ). He is also author of FSCrawler project which helps to index your pdf, open office, whatever documents in elasticsearch using Apache Tika behind the scene.

Who am I?

Developer | Evangelist at elastic and creator of the Elastic French User Group . Frequent speaker about all things Elastic, in conferences, for User Groups and in companies with BBL talks . In my free time, I enjoy coding and deejaying as DJ Elky , just for fun. Living with my children in Cergy, France.

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