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Presto Cost-Based Optimizer rocks the TPC benchmarks!

As mentioned in our previous blog about the Starburst Presto release and its hottest addition – the Cost Based Optimizer for Presto we’re happy to share the results of benchmarks we did for this release (195e) comparing it to the ‘vanilla’ Presto release 195. Now we will continue on the process of getting all those CBO-related changes merged into the ‘vanilla’ Presto repository.

The benchmarks were performed using a standard set of TPC-H and TPC-DS queries. As a side-note, I would like to highlight that, thanks to our team’s contributions throughout the last couple years, Presto supports 100% TPC benchmark queries and executes them unmodified! That is with no prohibited query modifications. You can find the queries in our repository.

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The Floodgates Are Open – S3 to EC2 now at 25Gbps!

Some great news from the AWS folks. They have increased network bandwidth for EC2 instances when communicating with S3. For those of you that use Presto on AWS, this is GREAT news!

One of the biggest complaints we hear from our customers is trying to troubleshoot performance issues when using S3 as a data source for Presto. With this increase in speed, a fully queryable S3 powered data lake is even easier. 

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