ï»??xml version="1.0" encoding="utf-8" standalone="yes"?>日韩a级作爱片一二三区免费观看,香蕉视频在线观看免费,国产精品午夜久久http://www.aygfsteel.com/hankchen/category/41477.htmlzh-cnTue, 12 Jan 2010 21:46:56 GMTTue, 12 Jan 2010 21:46:56 GMT60FIFO 、LRU、LFU三种½Ž—法http://www.aygfsteel.com/hankchen/archive/2010/01/10/308961.htmlhankchenhankchenSun, 10 Jan 2010 15:42:00 GMThttp://www.aygfsteel.com/hankchen/archive/2010/01/10/308961.htmlhttp://www.aygfsteel.com/hankchen/comments/308961.htmlhttp://www.aygfsteel.com/hankchen/archive/2010/01/10/308961.html#Feedback0http://www.aygfsteel.com/hankchen/comments/commentRss/308961.htmlhttp://www.aygfsteel.com/hankchen/services/trackbacks/308961.html     提到¾~“å­˜åQŒæœ‰ä¸¤ç‚¹æ˜¯å¿…™å»è¦è€ƒè™‘的:
åQ?/span>1åQ‰ç¼“存数据和目标数据的一致性问题ã€?/span>
åQ?/span>2åQ‰ç¼“存的˜q‡æœŸ½{–ç•¥åQˆæœºåˆÓž¼‰ã€?/span>
    
其中åQŒç¼“存的˜q‡æœŸ½{–略涉及淘汰½Ž—法。常用的淘汰½Ž—法有下面几¿Uï¼š
åQ?/span>1åQ?/span>FIFOåQ?/span>First In First OutåQŒå…ˆ˜q›å…ˆå‡?/span>
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åQ?/span>3åQ?/span>LFUåQ?/span>Least Frequently UsedåQŒæœ€ä¸ç»å¸æ€‹Éç”?/span>
     
注意LRUå’?/span>LFU的区别ã€?/span>LFU½Ž—法是根据在一ŒD‰|—¶é—´é‡Œæ•°æ®™å¹è¢«ä½¿ç”¨çš„æ¬¡æ•°é€‰æ‹©å‡ºæœ€ž®‘ä‹É用的数据™å¹ï¼ŒåÏx ¹æ®ä‹É用次数的差异来决定。è€?/span>LRU是根据ä‹É用时间的差异来决定的ã€?/span>
        
一个优¿U€çš„缓存框架必™åÕd®žçŽîC»¥ä¸Šçš„æ‰€æœ‰ç¼“存机制。例如:Ehcachež®±å®žçŽîCº†ä¸Šé¢çš„æ‰€æœ‰ç­–ç•¥ã€?br />
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linux下Memcached安装步骤详解http://www.aygfsteel.com/hankchen/archive/2010/01/04/308164.htmlhankchenhankchenMon, 04 Jan 2010 05:32:00 GMThttp://www.aygfsteel.com/hankchen/archive/2010/01/04/308164.htmlhttp://www.aygfsteel.com/hankchen/comments/308164.htmlhttp://www.aygfsteel.com/hankchen/archive/2010/01/04/308164.html#Feedback1http://www.aygfsteel.com/hankchen/comments/commentRss/308164.htmlhttp://www.aygfsteel.com/hankchen/services/trackbacks/308164.html阅读全文

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