Alibaba Cloud Big Data AI Platform

Jul 30, 2026 · Big Data

How EMR Serverless Spark Achieves 4× Faster PB‑Scale Text Deduplication

The article analyzes how migrating a large‑scale text deduplication workflow to Alibaba Cloud EMR Serverless Spark, using built‑in MinHash‑LSH functions and the Fusion Engine vectorized executor, reduces processing time from days to hours, cuts shuffle failures to zero, and eliminates most operational overhead.