https://benzhub.github.io/tags/sharding/Recent content in Sharding on BenzHubHugozh-TWSun, 26 Jul 2026 00:00:00 +0000https://benzhub.github.io/post/postgresql/050-citus-distributed/Sun, 26 Jul 2026 00:00:00 +0000https://benzhub.github.io/post/postgresql/050-citus-distributed/<blockquote> <p>當單機 <strong>PostgreSQL</strong> 的容量與吞吐量已無法滿足業務成長，<strong>Citus</strong> 分散式擴展提供了一條不換資料庫、不離開 PG 生態的水平擴展之路。本文將從 <strong>Coordinator-Workers</strong> 架構到 <strong>Colocation</strong> 共置機制，從 <strong>Hash 分片</strong>策略到 <strong>Schema-based Sharding</strong>，完整解析如何將 PostgreSQL 擴展為多節點分散式叢集。</p> </blockquote>