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DZone – Big Data Zone

DZone – Big Data Zone

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Community and editorial coverage on Big Data tools, streaming, data lakes, and engineering patterns.

Recent Posts

The Hidden Cost of Custom Logic: A Performance Showdown in Apache Spark
News•Feb 26, 2026

The Hidden Cost of Custom Logic: A Performance Showdown in Apache Spark

A recent benchmark shows that standard Python UDFs in PySpark dramatically slow pipelines because each row must be serialized to a Python worker. Using Pandas (vectorized) UDFs cuts execution time by roughly fourfold by leveraging Apache Arrow’s columnar transfer. Native Spark SQL functions outperform both, delivering up to fifteen times the speed of a regular UDF by staying entirely in the JVM. The findings highlight a clear hierarchy for developers: native functions first, Pandas UDFs next, and standard UDFs only as a last resort.

By DZone – Big Data Zone
AWS SageMaker HyperPod: Distributed Training for Foundation Models at Scale
News•Feb 19, 2026

AWS SageMaker HyperPod: Distributed Training for Foundation Models at Scale

Amazon Web Services introduced SageMaker HyperPod, a managed, persistent GPU‑cluster service built for training foundation models at massive scale. HyperPod automates node recovery, uses Elastic Fabric Adapter for ultra‑low‑latency interconnect, and integrates with SageMaker Distributed, PyTorch FSDP, and DeepSpeed. The...

By DZone – Big Data Zone
A Pattern for Intelligent Ticket Routing in ITSM
News•Feb 10, 2026

A Pattern for Intelligent Ticket Routing in ITSM

The article presents an architecture that replaces manual ticket dispatch with a machine‑learning core and a real‑time workload scheduler. Historical ticket data is vectorized with TF‑IDF and classified via Logistic Regression to predict the best resolver. Availability is verified through...

By DZone – Big Data Zone
Global Payments to Acquire Worldpay for $22.7B
Deals•Feb 3, 2026

Global Payments to Acquire Worldpay for $22.7B

Global Payments announced it will acquire Worldpay in a $22.7 billion transaction, consolidating two major payment processors. The deal aims to strengthen Global Payments' position in the real‑time payment infrastructure market and expand its global reach.

DZone – Big Data Zone