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View Code? Open in Web Editor NEWNYADB2
Home Page: http://www.codeyj.com
NYADB2
Home Page: http://www.codeyj.com
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我在同事面前点开了这个网页,十分尴尬
因为经常访问的dataItem可能在40个page中都有分步,假如均匀分步在40个page中,那么按照你page缓存的写法,引用计数法,每个page的引用数都会维持>=1,
如果你在cache里缓存数没有限制,那么你就会在内存中维持40个page,
如果在cache里有限制,那么除了最初的几个对dataItem的操作外,后面的其他对dataIem的操作都会抛CachEerror错误.
所以我觉得page缓存会拖累整个数据库的性能.
后续版本中是否会添加真正的删除操作?否则数据库文件会一直增大吧。
x
如题
A declarative, efficient, and flexible JavaScript library for building user interfaces.
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