Presto on AWS at Twilio – Lesson Learned and Optimization

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Earlier this month we hosted PrestoCon, a fantastic in-person event that showcased the innovation around the Presto project. In this blog we’ll detail Twilio’s presentation on their Presto use case, including their architecture, key optimizations, and lessons learned. You can also check out their full presentation here. In their session, Twilio engineers Aakash Pradeep and…

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,…