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    DYNAMICALLY ADJUSTED THRESHOLD FOR POPULATION OF SECONDARY CACHE
    1.
    发明申请
    DYNAMICALLY ADJUSTED THRESHOLD FOR POPULATION OF SECONDARY CACHE 有权
    动态调整二级缓存的人口数量

    公开(公告)号：US20130111133A1

    公开(公告)日：2013-05-02

    申请号：US13285740

    申请日：2011-10-31

    申请人： MICHAEL T. BENHASE ,  STEPHEN L. BLINICK ,  EVANGELOS S. ELEFTHERIOU ,  LOKESH M. GUPTA ,  ROBERT HAAS ,  XIAO-YU HU ,  IOANNIS KOLTSIDAS ,  ROMAN A. PLETKA

    发明人： MICHAEL T. BENHASE ,  STEPHEN L. BLINICK ,  EVANGELOS S. ELEFTHERIOU ,  LOKESH M. GUPTA ,  ROBERT HAAS ,  XIAO-YU HU ,  IOANNIS KOLTSIDAS ,  ROMAN A. PLETKA

    IPC分类号： G06F12/08

    CPC分类号： G06F12/0888 ,  G06F12/0866 ,  G06F12/0897 ,  G06F2212/225

    摘要： The population of data to be inserted into secondary data storage cache is controlled by determining a heat metric of candidate data; adjusting a heat metric threshold; rejecting candidate data provided to the secondary data storage cache whose heat metric is less than the threshold; and admitting candidate data whose heat metric is equal to or greater than the heat metric threshold. The adjustment of the heat metric threshold is determined by comparing a reference metric related to hits of data most recently inserted into the secondary data storage cache, to a reference metric related to hits of data most recently evicted from the secondary data storage cache; if the most recently inserted reference metric is greater than the most recently evicted reference metric, decrementing the threshold; and if the most recently inserted reference metric is less than the most recently evicted reference metric, incrementing the threshold.

    摘要翻译： 通过确定候选数据的热度量来控制要插入到辅助数据存储高速缓存中的数据的总数; 调整热量度量阈值; 拒绝提供给热度量小于阈值的次数据存储高速缓存的候选数据; 并且允许其热度量等于或大于热度量阈值的候选数据。 通过将与最近插入次级数据存储高速缓存中的数据的命中相关的参考度量与与次级数据存储高速缓存最近被排出的数据的命中相关的参考度量进行比较来确定热度量阈值的调整; 如果最近插入的参考度量值大于最近被驱逐的参考度量，则递减阈值; 并且如果最近插入的参考度量小于最近驱逐的参考度量，则递增阈值。