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Articles by Damian Pfister

Principal Support Engineer, Elastic

Damian Pfister has been implementing and supporting various IT solutions, within both the startup and corporate worlds, over the last 25 years. With a background in Systems Administration, his path has led him across a plethora of technologies, most recently as a Information Security consultant at HP, prior to joining Elastic in September of 2015.

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How Elastic Support uses AI to deliver faster, expert-verified solutions

We use AI and RAG to accelerate answers — not replace experts. Every response is reviewed, validated, and refined by engineers to ensure accurate, high-quality, expert-verified solutions, never automated output.

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Key points to be aware of when upgrading from Elasticsearch 1.x to 2.x