本文以 Feast SDK 中 feast.infra.online_stores.postgres_online_store 包为核心，系统讲解 Feast 如何以 PostgreSQL 作为在线特征存储（Online Store）：从配置模型与连接管理、特征表结构与 UPSERT 写入、批量读取与 ...

Postgres 19 won't make the expected release date. PostgreSQL has shipped its major version every fall for the last several years. But this year, the code is in a heavy review cycle, major features ...

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Production-grade backend API engineering with FastAPI, async I/O, JWT authentication, RBAC authorization, API-key security, middleware, rate limiting, CORS, Redis caching, PostgreSQL connection ...

Dubbed PostGREShell, CVE-2026-6471 turns low-level replication access into code execution, permanent superuser privileges and a persistent database backdoor. PostgreSQL releases since 2014 contain a ...

Microsoft will begin reporting Azure revenue in dollars for the first time, providing more clarity about its business that competes with Amazon Web Services. The company is trimming the number of ...

Consumer packaged goods (CPG) companies are under growing pressure to deliver profitable growth in margin-constrained markets, where even small gains in pricing, promotions, or assortment can ...

Electric is joining Databricks to bring WASM Postgres to AI agent sandboxes. Electric has pioneered data primitives purpose-built for agents, including PGlite and a real-time sync engine to keep data ...

PostgreSQL (PG) recently introduced support for asynchronous IOs (PG-AIO). Under the hood, the PG-AIO subsystem adopts a classic producer/consumer model. The producer submits AIO requests to a global ...

Asynchronous PostgreSQL access for Garry's Mod, with a Rust native module and a small Lua 5.1 query builder/model layer. The native module owns a bounded connection pool on a dedicated Tokio thread.