Big Data

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DataFunSummit
DataFunSummit
Apr 28, 2026 · Big Data

Dynamic Table: A Next‑Generation Data Processing Architecture Powered by Incremental Computing

The article examines the limitations of traditional batch and stream processing, explains how Hologres Dynamic Table combines declarative freshness settings with stateful incremental computation to bridge the gap between low‑cost batch jobs and low‑latency streaming, and presents benchmark results and real‑world case studies.

BenchmarkCloud Data WarehouseDynamic Table
0 likes · 13 min read
Dynamic Table: A Next‑Generation Data Processing Architecture Powered by Incremental Computing
Big Data Technology & Architecture
Big Data Technology & Architecture
Apr 28, 2026 · Big Data

Inside Apache Paimon 1.4: Core Principles and Design of an AI Multimodal Data Lake

Apache Paimon 1.4 redefines itself as an AI multimodal data lake by introducing row tracking, data evolution, Blob and Vector tables, Variant shredding, and Lumina‑BTree global indexing, each explained with concrete examples, configuration flags, and storage layouts that illustrate how the new capabilities enable unified storage and efficient retrieval of diverse data types.

Apache PaimonBlob TableData Evolution
0 likes · 8 min read
Inside Apache Paimon 1.4: Core Principles and Design of an AI Multimodal Data Lake
DataFunSummit
DataFunSummit
Apr 27, 2026 · Big Data

How MaxCompute Evolves Big Data Platforms for AI: Architecture, Core Capabilities, and Real‑World Cases

The article details MaxCompute's AI‑driven evolution, covering its multilayer architecture, multimodal storage management, SQL AI functions, the Python‑based MaxFrame framework, and several industry case studies that demonstrate performance gains and flexible resource scheduling for large‑scale AI workloads.

Cloud Data WarehouseData+AIDistributed Computing
0 likes · 12 min read
How MaxCompute Evolves Big Data Platforms for AI: Architecture, Core Capabilities, and Real‑World Cases
DataFunSummit
DataFunSummit
Apr 25, 2026 · Big Data

AI‑Era Multimodal Data Lake Infrastructure: TBDS Design, Storage, Compute, and Governance

The article analyzes how Tencent Cloud's TBDS platform tackles the AI era's multimodal data lake challenges through a native storage format (Lance), elastic Ray‑based compute, standardized metadata with Gravitino, and automated governance via Lakekeeper, citing architecture details, performance numbers, and real‑world deployments.

AI InfrastructureBig DataGravitino
0 likes · 13 min read
AI‑Era Multimodal Data Lake Infrastructure: TBDS Design, Storage, Compute, and Governance
Big Data Tech Team
Big Data Tech Team
Apr 22, 2026 · Big Data

Inside Big Tech: Full Breakdown of AI Agents for Data Warehouse Governance

The article analyzes how leading internet companies embed AI agents across the entire data‑warehouse lifecycle to automate governance, presenting real‑world case studies from Alibaba, ByteDance, JD.com and Tencent, and quantifies benefits such as over 65% reduction in manual effort, 50% drop in metric duplication, and a 40% boost in resource utilization.

AI agentsAutomationBig Data
0 likes · 10 min read
Inside Big Tech: Full Breakdown of AI Agents for Data Warehouse Governance
DataFunSummit
DataFunSummit
Apr 19, 2026 · Big Data

How OPPO Built a Multi‑Modal Data Lake with Gravitino and Curvine

OPPO’s data‑lake team, led by David, detailed their transition from Hive‑Spark to a unified multi‑modal lake, leveraging Gravitino for cross‑engine metadata management and the open‑source Curvine cache to eliminate data silos, boost I/O performance, and support massive image, recommendation, and AI‑Agent workloads.

Big DataData LakeOpen Source
0 likes · 11 min read
How OPPO Built a Multi‑Modal Data Lake with Gravitino and Curvine
Alibaba Cloud Big Data AI Platform
Alibaba Cloud Big Data AI Platform
Apr 17, 2026 · Big Data

What Spark 4.0 Brings: VARIANT Type, Native SQL UDFs, and Serverless Enhancements

Apache Spark 4.0 introduces a high‑performance VARIANT data type for semi‑structured JSON, native SQL UDFs that eliminate Python UDF bottlenecks, a richer Python DataSource API, a new pipeline syntax, upgraded Structured Streaming state management, and Alibaba Cloud EMR Serverless optimizations that together deliver up to 30% speed gains and seamless migration from Spark 3.x.

Apache SparkPython APISQL UDF
0 likes · 12 min read
What Spark 4.0 Brings: VARIANT Type, Native SQL UDFs, and Serverless Enhancements
Ctrip Technology
Ctrip Technology
Apr 16, 2026 · Big Data

How Ray + DuckDB Cut 9B-Row Attribution Queries from 40s to 15s

When attribution analysis on over 900 million rows slowed to more than 40 seconds and threatened cluster stability, Ctrip's smart attribution team rebuilt the architecture with Ray and DuckDB, achieving sub‑15‑second query times, 160 % performance gain, and complete resource isolation.

Attribution AnalysisBig DataDistributed Computing
0 likes · 22 min read
How Ray + DuckDB Cut 9B-Row Attribution Queries from 40s to 15s
DataFunTalk
DataFunTalk
Apr 16, 2026 · Big Data

How Xiaohongshu Cut Data Architecture Costs by Two‑Thirds with Incremental Computing

This article details Xiaohongshu's data platform evolution from a simple ClickHouse‑based ad‑hoc system to a Lambda‑style architecture and finally a lakehouse solution, highlighting how the adoption of a new incremental computing model reduced architectural complexity, resource consumption and development effort each to roughly one‑third while delivering sub‑second query performance on petabyte‑scale data.

Big DataData ArchitectureLakehouse
0 likes · 21 min read
How Xiaohongshu Cut Data Architecture Costs by Two‑Thirds with Incremental Computing
Architect Chen
Architect Chen
Apr 16, 2026 · Big Data

Supercharge Kafka Consumer Performance: Parallelism, Batching, and Multithreading

This guide explains practical techniques to dramatically increase Kafka consumer throughput, including scaling consumer instances or partitions, tuning fetch and poll parameters, and implementing a multithreaded consumer model, while also covering hardware, JVM, and OS optimizations and monitoring recommendations.

Batch FetchConsumer ParallelismKafka
0 likes · 5 min read
Supercharge Kafka Consumer Performance: Parallelism, Batching, and Multithreading
Cloud Architecture
Cloud Architecture
Apr 14, 2026 · Big Data

Spark SQL Deep Dive: From API to Core for Real‑Time Billion‑Row Processing

This article provides a comprehensive, step‑by‑step guide to mastering Spark SQL in high‑concurrency, billion‑row scenarios, covering the execution chain, architecture layers, Delta Lake integration, performance tuning, production‑grade streaming and batch pipelines, Kubernetes deployment, parameter management, observability, and real‑world case studies.

Data EngineeringDelta LakePerformance Tuning
0 likes · 44 min read
Spark SQL Deep Dive: From API to Core for Real‑Time Billion‑Row Processing
Past Memory Big Data
Past Memory Big Data
Apr 13, 2026 · Big Data

11 Critical Pitfalls to Watch When Upgrading from Spark 3 to Spark 4

Spark 4.0 delivers 20‑50% performance gains and new features like Spark Connect, VARIANT types, and enhanced SQL, but it also introduces breaking changes such as mandatory JDK 17, dropping Scala 2.12, default ANSI mode, removal of Mesos, and altered JDBC type mappings, requiring careful planning and staged migration to avoid runtime failures.

ANSI modeApache SparkJDK 17
0 likes · 19 min read
11 Critical Pitfalls to Watch When Upgrading from Spark 3 to Spark 4
Past Memory Big Data
Past Memory Big Data
Apr 13, 2026 · Big Data

Why Iceberg v3 Marks the “iPhone Moment” for Data Lakehouses

Apache Iceberg v3 introduces deletion vectors, row‑level lineage, a native VARIANT type, default column values, and nanosecond timestamps, delivering up to ten‑fold faster updates, native CDC, seamless semi‑structured data handling, and industry‑wide adoption that effectively ends the format war between lake and warehouse solutions.

Apache IcebergData LakehouseDefault Column Values
0 likes · 14 min read
Why Iceberg v3 Marks the “iPhone Moment” for Data Lakehouses
DataFunTalk
DataFunTalk
Apr 10, 2026 · Big Data

How Xiaohongshu Cut Data Architecture Costs by Two‑Thirds with Incremental Computing

This article analyzes Xiaohongshu's data platform evolution—from a simple ClickHouse‑based analytics layer to a Lambda architecture and finally a lakehouse design—highlighting how adopting a new incremental computing model reduced architecture complexity, resource consumption, and development effort each to roughly one‑third while delivering sub‑second query performance on petabyte‑scale data.

Big DataData ArchitectureLakehouse
0 likes · 22 min read
How Xiaohongshu Cut Data Architecture Costs by Two‑Thirds with Incremental Computing
Lobster Programming
Lobster Programming
Apr 8, 2026 · Big Data

How to Implement Real‑Time API Traffic Counting at Scale

This article compares three practical approaches—direct database storage, a Flink‑Kafka‑Redis‑Grafana pipeline, and an ELK stack—to achieve real‑time API request counting for high‑concurrency scenarios, outlining their architectures, advantages, and trade‑offs.

API analyticsELKFlink
0 likes · 6 min read
How to Implement Real‑Time API Traffic Counting at Scale

How Kafka Powers Scalable E‑commerce Order Processing with Go

This article walks through the challenges of a fast‑growing e‑commerce platform during peak sales, explains why Apache Kafka is the ideal asynchronous messaging backbone, and provides a complete Go implementation—including producers, consumers, best‑practice patterns, and real‑world use cases—to achieve high throughput, fault tolerance, and seamless scalability.

Distributed SystemsSaramamessage queue
0 likes · 14 min read
How Kafka Powers Scalable E‑commerce Order Processing with Go
Big Data Tech Team
Big Data Tech Team
Apr 1, 2026 · Big Data

Why Your 2026 Big Data Resume Is Being Ignored and How to Fix It

In the 2026 spring hiring season, many big‑data job seekers see their resumes disappear because they still focus on offline batch processing, while employers now demand real‑time streaming, AI‑driven data pipelines, and cloud‑native deployment skills such as Flink, vector databases, and Kubernetes.

Big DataData EngineeringFlink
0 likes · 7 min read
Why Your 2026 Big Data Resume Is Being Ignored and How to Fix It
Big Data Tech Team
Big Data Tech Team
Mar 30, 2026 · Big Data

2026 Data Warehouse Interview Guide: Essential Questions for All Three Rounds

This article compiles a comprehensive set of data‑warehouse interview questions—including self‑introduction prompts, SQL and window‑function challenges, data‑skew solutions, architecture design, file‑format trade‑offs, governance, and team‑leadership topics—to help candidates prepare for first, second, and third‑round interviews at leading tech firms.

Big DataData GovernanceInterview Preparation
0 likes · 7 min read
2026 Data Warehouse Interview Guide: Essential Questions for All Three Rounds
Past Memory Big Data
Past Memory Big Data
Mar 27, 2026 · Big Data

Why AI Workloads Require Rebuilding Parquet: A Deep Dive into Lance

The article explains how traditional Parquet‑based lakehouse architectures, optimized for large‑scale scans, struggle with AI workloads that need ultra‑low‑latency random access, and how Lance redesigns the storage format, indexing and write path to provide O(1) addressing, native vector support, and seamless integration with native execution engines.

AI workloadsData LakeLance
0 likes · 12 min read
Why AI Workloads Require Rebuilding Parquet: A Deep Dive into Lance