Scaling Presto for Data Analytics – Insights from Meta, Uber, and Intuit

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At PrestoCon Day 2023, we had a fantastic panel discussion with speakers from Meta, Uber, and Intuit. Each shared their experiences and use cases of scaling Presto in their respective companies. Let’s take a look at the key points discussed by each panelist, including use cases, key metrics, and future plans for Presto. Sign up…

Common Sub-Expression optimization

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The problem One common pattern we see in some analytical workloads is the repeated use of the same, often times expensive expression. Look at the following query plan for example: The expression JSON_PARSE(features) is used 6 times, and casted to different ROW structures for further processing. Traditionally, Presto would just execute the expression 6 times,…