【摘要】 大多数存储系统采用Hash算法或目录子树分区算法来实现元数据在元数据集群内的存储,但是上述算法在元数据修改、删除等操作时系统开销较大,严重影响了系统的性能。文章通过引入二维表存储元数据信息,提出了一种新的存储策略。该策略通过使用二维表、数据库存储过程和特定的递归算法实现了元数据存储。实验结果证明该策略具有良好的存储性能。更多还原

【Abstract】 Hash algorithms or directory sub-tree partition algorithms are commonly used to implement the metadata management of files in most storage system.But these algorithms have drawbacks such as high payload when updating or deleting metadata.Through adopting the two-dimension table to storage metadata,a new storage strategy is proposed.In this strategy,the database stores process and recursion algorithm are used to save metadata of files or directories.Experiment results indicate that the strategy performs efficiently in data storage.更多还原