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…
Overview Presto’s architecture originally only supported a single coordinator and a pool of workers. This has worked well for many years but created some challenges. To overcome these challenges, we came up with a new design with a disaggregated coordinator that allows the coordinator to be horizontally scaled out across a single pool of workers….
In a multi-tenant system like Presto careful memory management is required to keep the system stable and prevent individual queries from taking over all the resources. However, tracking the memory usage of data structures in an application (Presto) running on the Java Virtual Machine (JVM) requires a significant amount of work. In addition, Presto is…