Today we are happy to share that IBM watsonx.data, a Presto-based Open Data Lakehouse architecture, is now generally available. Back in April we shared that IBM had joined the Presto Foundation through the acquisition of Ahana. To reiterate what we talked about then, we believe that this is an exciting time for the Presto open…
Today we’re thrilled to share that IBM has acquired Ahana, the venture-backed SaaS for Presto startup company, and we want to write more about our belief in Open Source and why IBM and Ahana are joining forces for the benefit of Presto. We believe that this is an exciting time for the Presto project. We’re…
Introduction Apache Parquet modular encryption provides encryption at-rest and in-transit at finer-grained. In big data world, data analytic tables are usually very wide with hundreds of columns, while only a small number of columns need to be protected. So the finer-grained access control is a better fit than coarse-grained one like table level access control….
Introduction Today’s data is growing very fast, which creates challenges for query engines like Presto. Presto is a popular interactive query engine, because of its scalability, high performance, and smooth integration with Hadoop. As the volume of data grows, Presto needs to read larger chunks of data and load them into memory, which causes higher…
Overview With the wide deployment of Presto in a growing number of companies, Presto is used not only for queries, but also for data ingestion and ETL jobs. There is a need to improve Presto’s file writer performance, especially for popular columnar file formats, e.g. Parquet, and ORC. In this article, we introduce the brand…