<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>数据库运维 on Greatfinish Blog</title><link>https://greatfinish.top/tags/%E6%95%B0%E6%8D%AE%E5%BA%93%E8%BF%90%E7%BB%B4/</link><description>Recent content in 数据库运维 on Greatfinish Blog</description><generator>Hugo -- gohugo.io</generator><language>zh-cn</language><copyright>© 2026 Greatfinish Blog · [沪ICP备2026022892号](https://beian.miit.gov.cn/)</copyright><lastBuildDate>Sat, 09 May 2026 18:30:00 +0800</lastBuildDate><atom:link href="https://greatfinish.top/tags/%E6%95%B0%E6%8D%AE%E5%BA%93%E8%BF%90%E7%BB%B4/index.xml" rel="self" type="application/rss+xml"/><item><title>数据库磁盘 I/O 瓶颈排查：基于 iostat 的核心指标解读与生产判断方法</title><link>https://greatfinish.top/posts/database-io-bottleneck-iostat/</link><pubDate>Sat, 09 May 2026 18:30:00 +0800</pubDate><guid>https://greatfinish.top/posts/database-io-bottleneck-iostat/</guid><description>一篇数据库磁盘 I/O 排查方法总结，基于 iostat 核心指标分析磁盘延迟、队列、IOPS、吞吐量和典型生产现象，并给出数据库场景下的告警阈值和判断方法。</description><media:content xmlns:media="http://search.yahoo.com/mrss/" url="https://greatfinish.top/posts/database-io-bottleneck-iostat/featured.jpg"/></item><item><title>Oracle 单实例在线 Redo Log 日志文件大小调整实战</title><link>https://greatfinish.top/posts/resize-onlineredo/</link><pubDate>Wed, 06 Mar 2024 15:46:49 +0800</pubDate><guid>https://greatfinish.top/posts/resize-onlineredo/</guid><description>通过新增大容量 redo log group、切换当前日志、执行 checkpoint、删除旧日志组的方式，将 Oracle 单实例在线重做日志从 50MB 调整到 1GB。</description><media:content xmlns:media="http://search.yahoo.com/mrss/" url="https://greatfinish.top/posts/resize-onlineredo/featured.jpg"/></item><item><title>Oracle 删除并重建 TEMP 临时表空间操作实战</title><link>https://greatfinish.top/posts/recreate-temp-tablespace/</link><pubDate>Thu, 23 Nov 2023 22:06:57 +0800</pubDate><guid>https://greatfinish.top/posts/recreate-temp-tablespace/</guid><description>通过创建 TEMP1、切换默认临时表空间、确认临时段使用情况、删除旧 TEMP、重新创建 TEMP 并切回默认临时表空间，完成 Oracle TEMP 表空间重建。</description><media:content xmlns:media="http://search.yahoo.com/mrss/" url="https://greatfinish.top/posts/recreate-temp-tablespace/featured.jpg"/></item></channel></rss>