Cache这个东西可以说无处不在,处理器中的TLB,Linux系统中的高速页缓存,还有很多人熟知的开源软件memcached,都是cache的一种实现。LRU是Least Recently Used的缩写,即最近最少使用,是常用cache算法中的一种。因为cache的存储空间相对于后端存储来说更有限,将cache空间和后端存储空间映射后,还需要一些算法来解决cache满的问题并保证效率,LRU就是...
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系统相关 时间:
2015-07-23 23:53:10
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226
题目描述:设计一个数据结构用来实现最近最少使用的缓存,它支持get 和set方法:get(key) -- 如果key在缓存中,返回key所对应的value值(通常为正数),否则返回-1;set(key,value) -- 如果key不在缓存中,将其插入缓存,如果缓存已经到达容量上限,则将最近最少使用...
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系统相关 时间:
2015-07-23 00:24:43
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138
Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations: get and set.
get(key) -
Get the value (will always be positive) of the key if ...
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系统相关 时间:
2015-07-22 10:53:19
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224
题目:Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations:getandset.get(key)- Get the v...
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系统相关 时间:
2015-07-17 11:57:09
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168
I had a couple of interviews long ago which asked me to implemented a?least recently used (LRU)?cache. A cache itself can simply be implemented using a hash table, however adding a size limit giv...
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编程语言 时间:
2015-07-16 07:23:26
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178
插话:只写了几个连续的博客,博客排名不再是实际“远在千里之外”该。我们已经进入2一万内。再接再厉。油!Design and implement a data structure for Least Recently Used (LRU) cache. It should support the fo...
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系统相关 时间:
2015-06-25 16:59:59
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131
Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations:getandset.get(key)- Get the valu...
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系统相关 时间:
2015-06-25 13:37:40
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152
Using Redis as an LRU cache使用Redis作为LRU缓存
出处:http://blog.csdn.net/column/details/redisbanli.html
When Redis is used as a cache, sometimes it is handy to let it automatically evict old ...
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其他好文 时间:
2015-06-24 22:37:25
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209
Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations: get and set. get(key) - Get the...
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系统相关 时间:
2015-06-19 07:50:56
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247
Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations:getandset.get(key)- Get the valu...
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系统相关 时间:
2015-06-17 07:06:08
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158