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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                Zookeeper: <ins>一個領導者(leader),多個跟隨者(follower)組成的集群。</ins> Leader: 負責進行投票的發起和決議,更新系統狀態。 Follower: 用于接收客戶請求并向客戶端返回結果,在選舉 Leader 過程中參與投票。<br/> <ins>集群中只要有半數以上節點存活,Zookeeper 集群就能正常服務。</ins> <ins>全局數據一致:每個 server 保存一份相同的數據副本,client 無論連接到哪個 server,數據都是一致的。</ins><br/> 更新請求順序進行,來自同一個 client 的更新請求按其發送順序依次執行。<br/> <ins>數據更新原子性,一次數據更新要么成功,要么失敗。</ins> <ins>實時性,在一定時間范圍內,client 能讀到最新數據。</ins>
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