<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Maintenance on BenzHub</title><link>https://benzhub.github.io/tags/maintenance/</link><description>Recent content in Maintenance on BenzHub</description><generator>Hugo</generator><language>zh-TW</language><lastBuildDate>Fri, 17 Jul 2026 00:00:00 +0000</lastBuildDate><atom:link href="https://benzhub.github.io/tags/maintenance/index.xml" rel="self" type="application/rss+xml"/><item><title>PostgreSQL 日常維護：REINDEX、pg_repack、Bloat 偵測與健檢腳本 | PostgreSQL</title><link>https://benzhub.github.io/post/postgresql/041-maintenance/</link><pubDate>Fri, 17 Jul 2026 00:00:00 +0000</pubDate><guid>https://benzhub.github.io/post/postgresql/041-maintenance/</guid><description>&lt;blockquote&gt;
&lt;p&gt;&lt;strong&gt;PostgreSQL&lt;/strong&gt; 的 MVCC 設計讓讀寫不互相阻塞，但也帶來了 &lt;strong&gt;Bloat（膨脹）&lt;/strong&gt;、統計資訊失準與索引碎片化等維護需求。本文涵蓋 &lt;strong&gt;REINDEX CONCURRENTLY&lt;/strong&gt;、&lt;strong&gt;pg_repack&lt;/strong&gt; 線上重組、Bloat 偵測、&lt;strong&gt;ANALYZE&lt;/strong&gt; 統計更新、日誌輪替與自動化健檢腳本的完整維運手冊。&lt;/p&gt;
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