Volcano Engine Developer Services

Jun 20, 2022 · Big Data

How ByteDance Scaled Feature Storage with Iceberg and Parquet: A Big Data Case Study

ByteDance tackled massive feature‑storage challenges by replacing row‑based HDFS files with columnar Parquet and the Iceberg table format, enabling schema evolution, selective reads, efficient backfill, and training optimizations that cut storage costs by over 40% and reduced CPU and network I/O dramatically.