Chunxu Tang

Dealing with I/O Bottlenecks in High Throughput Model Training - Jan Sellner, German Cancer Research Center Have you ever faced the problem of low GPU utilization due to data loading bottlenecks? I/O heavy workloads require optimized data loading strategies as otherwise the GPU usage is suboptimal...

Traditionally, the deployment of Presto has been limited to Intel processors with the x86 architecture. However, with the growing popularity of ARM architecture, Chunxu and Jiaming have extended the Presto ecosystem to ARM and conducted a series of benchmark experiments. Their objective is to evalua

While using the Presto Iceberg connector, the in-heap cache in Presto is likely overloaded. In this talk, Beinan and Chunxu will share the design, implementation, and optimization of the off-heap cache to address the scalability challenges. You will learn how to cache Iceberg data and metadata for t

Apache Iceberg is an open table format for huge analytic datasets. The Presto Iceberg connector consolidates the SQL engine and the table format, to empower high-performant data analytics. Here, Beinan and Chunxu would like to discuss and share the architectural design of the Presto Iceberg connecto

Apache Iceberg is an open table format for huge analytic datasets. At Twitter, engineers are working on the Presto-Iceberg connector, aiming to bring high-performance data analytics on Iceberg to the Presto ecosystem. Here, Chunxu would like to share what they have learned during the development, ho

At Twitter, engineers are maintaining 9 on-prem/on-cloud Presto clusters with over 3000 nodes. With the experience of developing and maintaining these clusters, Beinan and Chunxu would like to share the stories of team efforts to develop the Presto-Druid connector, empowering SQL queries for real-ti