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…

Using OptimizedTypedSet to Improve Map and Array Functions

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Function evaluation is a big part of projection CPU cost. Recently we optimized a set of functions that use TypedSet, e.g. map_concat, array_union, array_intersect, and array_except. By introducing a new OptimizedTypeSet, the above functions saw improvements in several dimensions: Furthermore, OptimizedTypeSet resolves the long standing issue of throwing EXCEEDED_FUNCTION_MEMORY_LIMIT for large incoming blocks: “The input…