Keeper on PlumePHPhttps://plumephp.com/tags/keeper/Recent content in Keeper on PlumePHPHugozh-CNMon, 28 Sep 2026 10:00:00 +0800复制表与跨机房容灾：ReplicatedMergeTree、双活架构与脑裂防护https://plumephp.com/clickhouse-replicated-tables-disaster-recovery/Mon, 28 Sep 2026 10:00:00 +0800https://plumephp.com/clickhouse-replicated-tables-disaster-recovery/<h2 id="1-复制模型概览">1. 复制模型概览</h2> <p>ClickHouse 的复制是<strong>表级</strong>的：只有使用 <strong>ReplicatedMergeTree</strong> 家族引擎（ReplicatedMergeTree、ReplicatedSummingMergeTree 等）的表才有副本。复制依赖一个协调服务（ZooKeeper 或 ClickHouse Keeper）记录日志，让每个副本都朝同一状态收敛。</p>