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hierarchical_storage.md
在数据库领域,分级存储是一种常见的需求,即将一部分较旧的数据转存至本地其他磁盘卷(通常是更低速的磁盘卷)或对象存储方案中。较旧的数据(冷数据)通常不会被用户频繁查询或计算,但是存储在本地会占用大量磁盘资源,因此将不常用的数据存储在 ...
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