query modes — 2 Technical Articles

Dec 12, 2025 · Big Data

Understanding Hudi Core Concepts: Timeline, Indexes, and Table Types Explained

This article explains Apache Hudi’s core concepts, including its timeline architecture, file layout, indexing mechanisms, and the two primary table types—Copy on Write and Merge on Read—along with their trade‑offs and the various query modes such as snapshot, time‑travel, and incremental queries.

Apache HudiTable Typesbig data

0 likes · 9 min read

Understanding Hudi Core Concepts: Timeline, Indexes, and Table Types Explained

Fun with Large Models

Jul 9, 2025 · Artificial Intelligence

Boosting RAG Accuracy with GraphRAG: Large‑Scale KG Build and Mode Comparison

This article demonstrates how to construct a knowledge graph from a 58,099‑character document using GraphRAG, measures the indexing time on an M2 PRO machine, and compares Global, Local, and Drift query modes, highlighting three scenarios where Local mode is unsuitable.

GraphRAGKnowledge GraphRAG

0 likes · 11 min read

Boosting RAG Accuracy with GraphRAG: Large‑Scale KG Build and Mode Comparison