hit ratio [计] 命中率 ; 适配率 ; 快取率
low buffer cache hit ratio 过低的缓存命中率 ; 低的缓存命中率
buffer cache hit ratio 缓存命中率
buffer pool hit ratio 缓冲池命中率
Cache Hit Ratio 缓存命中率 ; 命中率 ; 缓存点击率 ; 高速缓存命中率
package cache hit ratio 包缓存命中率
Byte Hit Ratio 字节命中率
Cache Total Hit Ratio 缓存总命中率
Quality hit ratio 质量命中率
In general, it's desirable and recommended to have a high data hit ratio (80% or higher) and to have very high index hit ratio (90% or higher).
通常，推荐一个较高的数据命中率(80%或更高)和一个相当高的索引命中率(90%或更高)，这也是最理想的。
A well-tuned system can easily have a hit ratio well above 90%.
一个良好调优的系统可以轻松实现远高于90%的命中率。
Figure 3 shows the hit ratio highlighted in red, which indicates a performance problem.
图3用红色高亮显示了命中率，这表示存在性能问题。
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