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hit ratio

网络命中率；缓存命中率；命中比率

hit ratio

网络释义

hit ratio

命中率

命中率（hit ratio）或称样本正确分类概率，就是分类矩阵对角线元素之和与总样本数的比例。比较样本正确分类百分比与随机 …

缓存命中率

缓存命中率(Hit Ratio)95%以上访问速度提高20倍以上将数据库访问的程序开发量降低约95%将飞速变幻的商务需求转变为企业 …

命中比率

Chapter 8... ... 关联对应结构（ Associative Mapping） 命中比率（ Hit Ratio）多层次分页法（ Multilevel Paging） ...

估计击中率

估计击中率(hit ratio)中央大学网址 http://www1.tyc.edu.tw/ 地址中坜市五权里3邻38号电话 03-4227151转7500

比率称命中率

通过快表实现内存访问的比率称命中率(hit ratio)，命中率越高，性能越好，接近100%的命中率表明绝大部分访问主存都通过快 …

中的正确率

...作展开，因此实际上重复的棋形，在比例上会比表1 中的正确率（hit ratio）大得多。

例句：

As a rule of thumb, you can increase the size of the buffer pools as long as you get a corresponding increase of the bufferpool hit ratio .

首要原则是，只要能够获取一个对应的缓冲池命中率增加，就可以增加缓冲池的大小。

Check that the cache size is sufficiently large and that the cache hit ratio is high for each of the dynamic SQL statements being executed .

对于每个被执行的动态 SQL 语句，请检查高速缓存是否足够大且高速缓存的命中率是否较高。

Another method of determining your caching effectiveness is to take a look at your cache hit ratio .

确定缓存效率的另一种方法是查看缓存的命中率（hitratio ）。

Bigger is still better , but at some point you'll experience diminishing returns as the buffer pool hit ratio moves to the 98+% range.

越大当然越好，但是在某一点，当缓冲池命中率达到 98+%时，会随内存的增加命中率反而下降。

The hit ratio is a function of the cache size, the amount of underlying data, and the data access pattern .

命中率与缓存大小、底层数据的数量和数据访问模式有关。

If the hit ratio is low , increasing the number of buffer pool pages may improve performance .

如果命中率较低，则可以增加缓冲池页数来提高性能。

The buffer pool hit ratio is now showing excellent results .

现在的缓冲池命中率就显示了较好的结果。

What is the cache hit ratio, what impact does it have on performance of an Oracle database and what is involved in tuning it ?

什么是 cache 击率？当对 Oracle 数据库中的性能会有什么影响？在对它进行调试的时候需要注意些什么？

Cache API Hit Ratio The cache hit-to-miss ratio when accessed through the external cache APIs.

当通过外部缓存 API 访问时，缓存命中数与未命中数的比率。

When you wish your miss ratio was reversed with your hit ratio .

你非常希望自己的 miss 率转换成命中率。

A desirable goal for your buffer pool hit ratio is 80% or higher for data , and 90% or higher for index .

您的缓冲池命中率的理想目标是数据 80%或更高，索引 90%或更高。

The fewer pages would mean that the TLB process would have a higher hit ratio and therefore improved performance .

页数越少，意味着 TLB 进程将具有更高的命中率，因而性能更好。

dbrun. snap - This script provides the hit ratio for the catalog cache.

perlcathitratio.pldbrun.snap——该脚本提供了目录缓存器的命中率。

dbrun. snap - This script provides the hit ratio for the package cache .

perlpackhitratio.pldbrun.snap——该脚本提供了包缓存器的命中率。

Because of its locality-aware nature , ADSB achieves very high cache hit ratio.

由于有着目标位置特性，ADSB 能获得很高的缓存命中率；

The quality model whose hit ratio of 5% deviation reach 0 . 508 is established by applying the technology of basic artificial neural network .

用普通神经网络建立起由工艺参数预测力学性能的质量模型，模型预测结果的 5%命中率是 0 .

With the buffer pool size of 250 pages , the application test run experienced very poor buffer pool hit ratio of 48 . 69%.

通过 250 个页面的缓冲池大小，应用程序测试运行呈现了 48.69%的糟糕的缓冲池命中率。

Overall hit ratio for all protocol caches.

所有协议缓存的总体命中比率。

In general , a buffer pool hit ratio above 80% is considered good .

一般情况下，缓冲池命中率在 80%以上就认为是良好的。

In additon , it returns the time intervals when the low hit ratio occurred.

此外，它还返回命中率低时的时间间隔。

Lower bounded indicators are identified as unhealthy as they decrease in value (for example, the cache hit ratio indicator ).

当设有下界的指示器（例如，缓存命中率指示器）的值降低时，它将标识为不健康。

Indexes in particular should have a high hit ratio to ensure good performance .

特别是索引应该有较高的命中率，以确保良好的性能。

Pay close attention to your overall buffer pool hit ratio .

密切关注您的总体缓冲池命中率。

The above example shows a good buffer pool hit ratio of 98 . 4%.

以上示例显示了 98.4%的良好缓冲池命中率。

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