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1. 发明申请

WO2010118556A1 A METHOD OF AND A SYSTEM FOR PROVIDING BUFFER MANAGEMENT MECHANISM 审中-公开
标题翻译：一种用于提供缓冲器管理机制的方法和系统
公开(公告)号：WO2010118556A1
公开(公告)日：2010-10-21
申请号：PCT/CN2009/000404
申请日：2009-04-16
申请人： TELEFONAKTIEBOLAGET LM ERICSSON (publ) , CHEN, Kun , LING, Jie , TANG, Wenhu , XIE, Jinyang
发明人： CHEN, Kun , LING, Jie , TANG, Wenhu , XIE, Jinyang
IPC分类号： H04N7/173
CPC分类号： H04N21/2408 , H04N21/23106 , H04N21/23113 , H04N21/23406 , H04N21/8456
摘要： The present invention provides a method of and a system for providing buffer management mechanism in an on-Demand environment to keep the popular content sections in server memory so as to reduce the repeatable disk I/O and improve the server performance. The method comprises : setting the state of a buffer to be ACTIVE when a file section stored in the buffer is requested by any users; setting the state of the buffer to be INACTIVE when user s no longer request the file section stored in the buffer, the buffer in INACTIVE state having a lifetime; changing the state of the buffer from INACTIVE to FREE when the lifetime decreases to zero. The system comprises at least one detector for detecting the number of the users requesting a file section stored in the buffer and providing the detection results for a processor, one processor for determining the state of the buffer according to the detection results and providing instructions for at least one state setting unit, and at least one state setting unit for setting the state of the buffer based on instructions from the processor.
摘要翻译：本发明提供了一种用于在按需环境中提供缓冲器管理机制的方法和系统，以将流行内容部分保留在服务器存储器中，以便减少可重复的磁盘I / O并提高服务器性能。该方法包括：当任何用户请求存储在缓冲器中的文件段时，将缓冲器的状态设置为ACTIVE; 当用户不再请求存储在缓冲区中的文件段时，将缓冲区的状态设置为INACTIVE，在INACTIVE状态的缓冲区具有生命周期; 当生命周期减少到零时，将缓冲区的状态从INACTIVE更改为FREE。该系统包括至少一个检测器，用于检测请求存储在缓冲器中的文件部分的用户的数量，并为处理器提供检测结果，一个处理器，用于根据检测结果确定缓冲器的状态，并提供指令至少一个状态设置单元，以及至少一个状态设置单元，用于基于来自处理器的指令来设置缓冲器的状态。

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