Next Post — Entidade

zeeus.org·há 3 meses

Innovation Launch Camp Brings Together Entrepreneurship, Sustainability and Innovation at ISEC Lisboa

The Innovation Launch Camp, a new entrepreneurship bootcamp developed within the framework of the ZEEUS project, will take place on 17 and 18 June at the Hélder Pita Auditorium, ISEC Lisboa. The initi

baotiao.github.io·há 3 meses

PostgreSQL Buffer Access 5 Rules

src/backend/storage/buffer/README 是 PG 社区维护 buffer manager 的官方设计文档. 它在开头列了 5 条 buffer access rules, 提 patch / review 时直接引用. 这 5 条规则合起来定义了 PG 的 Pin 协议, 也是 PG 和 InnoDB buffer manager 设计上真正分叉的地方.

baotiao.github.io·há 3 meses

MySQL/PostgreSQL Slot-based Buffer Manager Pin/buf_block_fix operator

在 MySQL/PostgreSQL Buffer Pool 里面有一个 Pin 操作 — PostgreSQL 叫 Pin, MySQL InnoDB 叫 buf_block_fix / io_fix. 这些操作本质上都是把一个 page “pin” buffer pool 的某个位置上.

baotiao.github.io·há 4 meses

C++ StringView 优化字符串比较

DuckDB / Velox / Umbra 里面常见的字符串表示方式. 和传统的 SimpleStr (ptr, len) 相比, 都是 16 字节, 但是 layout 不同.

zeeus.org·há 4 meses

Sustainability by Design (SbyD) Tool Hackathon -Successfully Launched by TUAS

Trier University of Applied Sciences (TUAS), through its Institute for Applied Material Flow Management (IfaS), successfully organized and concluded the ZEEUS SbyD Hackathon 2026. A total of 40 parti

zeeus.org·há 5 meses

LaunchLab’s Agritech Countdown Programme concludes with Demo Day showcasing eight startups

The Agritech Countdown Programme, delivered by Stellenbosch University (SU) LaunchLab, concluded on 26 March with a Demo Day where eight early-stage ventures presented their innovations to investors,

baotiao.github.io·há 5 meses

用 Claude Code 在 PostgreSQL 实现 Double Write Buffer 遇到的一些问题

最近一直在探索怎么用 Claude Code 来帮忙写数据库内核的代码. 一开始是直接让 Claude code 在 PostgreSQL 上实现一套 Double Write Buffer, 参考 InnoDB 的实现. 代码 Claude 确实写得挺快, 但过程中发现一个问题: 它不会做设计.

zeeus.org·há 5 meses

ZEEUS Partners Meet in Prague to Advance Seed Factories and Reflect on First Phase Achievements

On 11 and 12 March 2026, partners of the ZEEUS project gathered in Prague for an in-person consortium meeting hosted by the Prague University of Economics and Business.The meeting brought together rep