<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>预聚合 on Plbear | Cuz Penguin QQ</title><link>https://www.plbear.com/tags/%E9%A2%84%E8%81%9A%E5%90%88/</link><description>Recent content in 预聚合 on Plbear | Cuz Penguin QQ</description><generator>Hugo</generator><language>zh-cn</language><lastBuildDate>Wed, 08 Dec 2021 10:30:00 +0800</lastBuildDate><atom:link href="https://www.plbear.com/tags/%E9%A2%84%E8%81%9A%E5%90%88/index.xml" rel="self" type="application/rss+xml"/><item><title>招聘通统计分析 2.0：从实时查询到 OLAP 预聚合的性能跃迁</title><link>https://www.plbear.com/posts/2021-12-08-stats-analytics-20/</link><pubDate>Wed, 08 Dec 2021 10:30:00 +0800</pubDate><guid>https://www.plbear.com/posts/2021-12-08-stats-analytics-20/</guid><description>招聘通统计分析 2.0 架构升级，从 MySQL 实时查询到 ClickHouse + 预聚合的 OLAP 方案，解决大数据量下多维统计查询慢的问题，查询性能提升 50 倍。</description></item><item><title>薪酬报告大数据统计系统架构设计：亿级数据下的预聚合方案</title><link>https://www.plbear.com/posts/2019-07-08-salary-report-bigdata/</link><pubDate>Mon, 08 Jul 2019 09:45:00 +0800</pubDate><guid>https://www.plbear.com/posts/2019-07-08-salary-report-bigdata/</guid><description>招聘平台薪酬报告系统从 MySQL 实时统计到 Elasticsearch 预聚合的架构演进，解决亿级数据下多维组合查询响应慢的问题。</description></item></channel></rss>