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Why Can WAL Data Become “Corrupted Out of Thin Air”?——An Incident Investigation Spanning the Boundary Between Databases and Hardware

A rare WAL CRC32C anomaly investigation traced data corruption from the database layer down to NIC DMA and PCIe hardware transmission paths, exposing reliability challenges in modern data infrastructure.

#Technical Discussion

2026-05-15

AI Era Database Infrastructure: Exploring Vectorized Execution in PostgreSQL

YMatrix mxvector builds an analytical execution path more suitable for OLAP/HTAP scenarios without rewriting the PostgreSQL executor.

#Technical Discussion

2026-05-07

The PostgreSQL Streaming Model

PostgreSQL is Already a Streaming System — Domino Make It Explicit

#Technical Discussion

2026-04-15

In the AI Era, Parallel Query Is Evolving from “Faster Scanning” to “Faster Computing”

How MARS3 Bucket Enables Parallel Gains to Extend into Computation

#Technical Discussion

2026-04-09

In-depth Analysis (Part 3) — In the AI Era, Databases Are Entering the “Unified Storage Era”

Introduction to the MARS3 Storage Engine

#Technical Discussion

2026-04-02

In-depth Analysis (Part 2) — In the AI Era, Databases Are Entering the “Unified Storage Era”

Introduction to the MARS3 Storage Engine

#Technical Discussion

2026-04-02

In-depth Analysis (Part 1) — In the AI Era, Databases Are Entering the “Unified Storage Era”

Introduction to the MARS3 Storage Engine

#Technical Discussion

2026-04-02

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Why Can WAL Data Become “Corrupted Out of Thin Air”?——An Incident Investigation Spanning the Boundary Between Databases and Hardware
A rare WAL CRC32C anomaly investigation traced data corruption from the database layer down to NIC DMA and PCIe hardware transmission paths, exposing reliability challenges in modern data infrastructure.
#Technical Discussion
2026-05-15
AI Era Database Infrastructure: Exploring Vectorized Execution in PostgreSQL
YMatrix mxvector builds an analytical execution path more suitable for OLAP/HTAP scenarios without rewriting the PostgreSQL executor.
#Technical Discussion
2026-05-07
The PostgreSQL Streaming Model
PostgreSQL is Already a Streaming System — Domino Make It Explicit
#Technical Discussion
2026-04-15
In the AI Era, Parallel Query Is Evolving from “Faster Scanning” to “Faster Computing”
How MARS3 Bucket Enables Parallel Gains to Extend into Computation
#Technical Discussion
2026-04-09
In-depth Analysis (Part 3) — In the AI Era, Databases Are Entering the “Unified Storage Era”
Introduction to the MARS3 Storage Engine
#Technical Discussion
2026-04-02
In-depth Analysis (Part 2) — In the AI Era, Databases Are Entering the “Unified Storage Era”
Introduction to the MARS3 Storage Engine
#Technical Discussion
2026-04-02
In-depth Analysis (Part 1) — In the AI Era, Databases Are Entering the “Unified Storage Era”
Introduction to the MARS3 Storage Engine
#Technical Discussion
2026-04-02
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