Simplifying Presto on Kubernetes – Introducing the Presto Helm Chart

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Let’s explore how to run Presto on Kubernetes. At PrestoCon Day 2023, Denis Krivenko of Platform24 shared his work on the Presto Helm Chart and why Presto on Kubernetes helps make for an efficient deployment. He also demoed a step-by-step process of deploying Presto on a Kubernetes cluster using the Helm package manager. Sign up…

Even Faster Unnest

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Unnest is a common operation in Facebook’s daily Presto workload. It converts an ARRAY, MAP, or ROW into a flat relation. Its original implementation used deep copy all the time and was very inefficient. In Unnest Operator Performance Enhancement with Dictionary Blocks, the author improved the Unnest operator by up to 10x in CPU and…