<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Bohan Zhang on 萦怀 · 薛勇杰</title><link>https://www.yongjiexue.io/authors/bohan-zhang/</link><description>Recent content in Bohan Zhang on 萦怀 · 薛勇杰</description><generator>Hugo</generator><language>zh-CN</language><lastBuildDate>Sat, 24 Jan 2026 00:00:00 +0000</lastBuildDate><atom:link href="https://www.yongjiexue.io/authors/bohan-zhang/index.xml" rel="self" type="application/rss+xml"/><item><title>OpenAI：一套 PG 支持8亿 ChatGPT 用户</title><link>https://www.yongjiexue.io/pg/openai-postgres/</link><pubDate>Sat, 24 Jan 2026 00:00:00 +0000</pubDate><guid>https://www.yongjiexue.io/pg/openai-postgres/</guid><description>PostgreSQL 的标杆案例，他们使用1主50从的经典主从PG，支撑了8亿ChatGPT用户。附上老冯的评论与看法。</description></item><item><title>OpenAI：将PostgreSQL伸缩至新阶段</title><link>https://www.yongjiexue.io/db/openai-pg/</link><pubDate>Mon, 19 May 2025 00:00:00 +0000</pubDate><guid>https://www.yongjiexue.io/db/openai-pg/</guid><description>在PGConf.Dev 2025大会上，来自OpenAI的Bohan Zhang分享了OpenAI在PostgreSQL上的最佳实践。在OpenAI，他们使用一写多读的未分片架构，证明了PostgreSQL在海量读负载下也可以伸缩自如。</description></item></channel></rss>