<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Nikolay Samokhvalov on 萦怀 · 薛勇杰</title><link>https://www.yongjiexue.io/authors/nikolay-samokhvalov/</link><description>Recent content in Nikolay Samokhvalov on 萦怀 · 薛勇杰</description><generator>Hugo</generator><language>zh-CN</language><lastBuildDate>Thu, 26 Oct 2023 00:00:00 +0000</lastBuildDate><atom:link href="https://www.yongjiexue.io/authors/nikolay-samokhvalov/index.xml" rel="self" type="application/rss+xml"/><item><title>PostgreSQL 宏观查询优化之 pg_stat_statements</title><link>https://www.yongjiexue.io/pg/pgss/</link><pubDate>Thu, 26 Oct 2023 00:00:00 +0000</pubDate><guid>https://www.yongjiexue.io/pg/pgss/</guid><description>查询优化是 DBA 的核心工作内容之一，本文介绍了如何使用 pg_stat_statements 提供的指标，针对 PostgreSQL 进行宏观查询优化。</description></item></channel></rss>