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公开(公告)号:US08566483B1
公开(公告)日:2013-10-22
申请号:US12640254
申请日:2009-12-17
申请人: Xiangping Chen , Khang Can , Manish Madhukar , David W. Harvey , Dean D. Throop , Mark K. Ku
发明人: Xiangping Chen , Khang Can , Manish Madhukar , David W. Harvey , Dean D. Throop , Mark K. Ku
IPC分类号: G06F12/08
CPC分类号: G06F3/0605 , G06F3/0653 , G06F3/0689 , G06F11/3409 , G06F11/3419 , G06F11/3485 , G06F2201/88
摘要: A method is used in measuring data access activity. I/O data is analyzed that describes I/O activity for a slice of a logical volume. Based on the I/O data, a first value of data access activity is determined for the slice corresponding to a first time period, and a second value of data access activity is determined corresponding to a second time period. From the first and second values, an exponential moving average of data access activity is derived for the slice.
摘要翻译: 一种方法用于测量数据访问活动。 分析I / O数据,描述逻辑卷片段的I / O活动。 基于I / O数据,对于与第一时间段相对应的片段确定数据访问活动的第一值,并且对应于第二时间段确定数据访问活动的第二值。 从第一个和第二个值,导出数据访问活动的指数移动平均值。