rotational latency
- 网络旋转延迟;旋转等待时间;转动周期;旋转时间;转动延迟
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Data transfer times are typically fractions of a millisecond , so rotational latency and seek time are the primary sources of disk latency on a physical HDD .
数据传输时间一般几毫秒,所以旋转延迟时间和寻道时间是一个物理HDD的主要磁盘延迟时间来源。
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The time it takes to complete an I / O request ( referred to as disk latency ) is a combination of seek time , rotational latency , and disk transfer time .
而完成一次I/O请求(称为磁盘延迟时间)所需要的时间是寻道时间、旋转延迟时间和磁盘传输时间之和。
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The average rotational latency is one-half of a revolution of the disk platter .
平均旋转等待时间指的是磁盘旋转一半的时间。
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The reason is that HDD performance is limited by mechanical constraints such as head movement ( seek time ) and rotational latency .
这是因为HDD的性能受到诸如磁头移动(寻道时间)和旋转等待时间等机械约束的限制。
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Because EFDs have no moving parts , they are not constrained by seek time or rotational latency in the way that FC and SATA HDDs are .
因为EFD没有移动的部件,所以它们不会像FC和SATAHDD那样受到寻道时间或旋转延迟时间的约束。