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Trino. He

As seen in: Uber Engineering Blog
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Articles

One Stone, Three Birds: Finer-Grained Encryption @ Apache Parquet™

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By Xinli Shang, Trino. He, performance. He, Mohammad F. Islam
| Uber Engineering Blog
Data access restrictions, retention, and encryption at rest are fundamental security controls. This blog explains how we have built and utilized open-sourced Apache Parquet™’s finer-grained encryption feature to support all 3 controls in a unified way. In particular, we will focus on the technical challenges of designing and applying encryption in a secure, reliable, and efficient manner. We will also share our experiences with recommended practices to manage the system in production and at scale.
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Cost Efficiency @ Scale in Big Data File Format

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By Xinli Shang, performance. He, Zheng Shao, Trino. He
| Uber Engineering Blog
Our Apache Hadoop® based data platform ingests hundreds of petabytes of analytical data with minimum latency and stores it in a data lake built on top of the Hadoop Distributed File System (HDFS). We use Apache Hudi™ as our ingestion table format and Apache Parquet™ as the underlying file format. Our data platform leverages Apache Hive™, Apache Presto™, and Apache Spark™ for both interactive and long-running queries, serving the myriad needs of different teams at Uber.
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