Remarkably, it requires very little disk space, depending on the sample rate, the number of managed systems and LPARs.

它需要的磁盘空间非常少，具体数量取决于取样速率以及受管理系统和LPAR的数量。

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When the end of the buffer is reached, some serialisation takes place that reduces the rate of data transfer to disk.

达到缓冲区尾部后，需要进行某种序列化操作，以降低数据传输到磁盘的速率。

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Now, the most commonly used enterprise hard disk drives (HDDs) are limited by the rate of head movement, the speed of the spinning platter, and seek latency.

现在，大多数常用的企业硬盘驱动器(HDD)都受到磁头移动速度、盘片旋转速度和查找延时的限制。

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DropBox, Google Drive and all of the other cloud storage services really offer the same thing: free or cut-rate disk space.

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However, if the total disk storage systems market grows at a much slower rate due to lower demand for disk storage, there could be significant downside to our estimate for data storage firms like EMC and NetApp.

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