Cache abstraction for modeling database performance
    1.
    发明授权
    Cache abstraction for modeling database performance 有权
    缓存抽象用于建模数据库性能

    公开(公告)号:US07571188B1

    公开(公告)日:2009-08-04

    申请号:US10948389

    申请日:2004-09-23

    IPC分类号: G06F7/00 G06F17/00

    摘要: A method for modeling a database management system involving receiving a query, computing a hit rate value associated with a cache, wherein the hit rate value is computed using a counter group, comparing the hit rate value to a predetermined value to obtain a result, providing a reply to the query if the result is a hit, incrementing a counter in the counter group when the cache is not full and proceeding to a next cache if the result is a miss, and providing a diagnostic output for the database management system.

    摘要翻译: 一种用于对数据库管理系统进行建模的方法,包括接收查询,计算与高速缓存相关联的命中率值,其中使用计数器组计算命中率值,将命中率值与预定值进行比较以获得结果, 如果结果是命中,则对查询的回复,当缓存不满时递增计数器组中的计数器,并且如果结果为未命中则继续进行下一个缓存,并为数据库管理系统提供诊断输出。