SuperMap GIS 6R 二三维缓存策略_文档下载_文档资料库 关键词：缓存策略；SuperMap GIS 6R；紧凑格式；切片（Tile） [gap=432]Keywords: Data Cache strategy; SuperMap GIS 6R; Compact; Tile
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strategy in data cache 数据缓冲策略
Use the "nonstrict-read-write" strategy if your data is read-mostly or concurrent cache access and update is rare.
如果你的数据读很多或者很少有并发缓存访问和更新，那么可以使用“nonstrict - read - write”策略。
The assumption on a lazy-load strategy is that once a piece of data has been loaded into the cache it will likely be used again.
延迟加载策略的构想是，如果将一个数据加载到了缓存中，就有可能再次用到它。
Because of the user's mobility and the location dependency of data, new challenge has been brought to cache replacement strategy for location Dependent Query (LDQ).
在位置相关查询(LDQ)中由于用户的移动性和数据的位置相关性，给缓存替换策略带来了新的挑战。
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