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                # 內存管理概述 OceanBase 數據庫是一個支持多租戶架構的準內存級的分布式數據庫,這對大容量內存的管理和使用提出了很高的要求。OceanBase 數據庫采取占據服務器的大部分內存并進行統一管理的方式來管理內存。當有新業務需要上線時為其創建一個新租戶,其中內存是從租戶可分配內存中劃分資源,租戶 CPU 和內存的大小取決于業務規模。當可分配的 CPU 和內存資源不足時,應水平擴展 OceanBase 集群,為不斷擴展的業務規模提供可持續的服務能力。
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