placement policy

Secondly , an algorithm of replication placement policy is proposed depending on prognosticate mechanism.

提出了动态阈值预测机制的副本自适应放置算法, 以提高系统吞吐量.

This dissertation designs a metadata consistency protocol according to the metadata placement policy and cache management in DCFS. This protocol ensures the consistency of metadata in a cluster file system and has acceptable cost. 4.

作者结合DCFS元数据分布策略和元数据缓存管理设计了元数据一致性协议，该协议保证了元数据一致性，分析表明其开销是可以接收的。

In order to promote the further development of Shanxi's natural ecological tourist resources, according to the tourist zoning regulations, Shanxi has been divided into six natural ecological tourist zones and eleven sub-zones, and the placement policy is carried out for their space-time development structure.

为了促进山西自然生态旅游资源的进一步开发，根据旅游区划原则，将山西划分为6个自然生态旅游区和11个亚区，并对其时空发展结构进行了布局规划。