Partitioning Data on S3 to Improve Performance in Athena/Presto

As you probably know, partitioning plays a crucial role when querying data in Amazon Athena or Redshift Spectrum, since it limits the volume of data scanned, dramatically accelerating queries and reducing costs.

In this in-depth technical paper, we present the S3 data partitioning best practices you need to know in order to optimize your analytics infrastructure for performance.


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  • Understand how data partitioning on S3 works.
  • Learn about best partitioning strategies for improving performance of Amazon Athena.
  • Partitioning by event-time vs by server-time.
  • And much more!
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