Therefore, in many customer environments, to maintain the high IOPS rate needed to service database workloads and to provide reasonable response times, less data is physically placed on each HDD used.
因此,在许多客户环境中,要维持这样高的支持数据库工作负载的 IOPS 速度并实现合理的响应时间,只能在所使用的每个 HDD 上物理存储较少的数据。
Some are portable enough to be placed against an outside wall by, say, a police unit planning a raid-and sophisticated enough to show, with reasonable accuracy, the location of anyone inside.
有的可以便于携带。比如说,一队警察小组计划突袭时,可将设备靠在墙外来查看里面人的位置。这种设备有不错的准确度,使用起来却极其复杂。
Think about it: 'reasonable quality' and 'cheap' are not two concepts that look overly natural placed side by side.
仔细思考它:'合情合理的品质'和'便宜'不是可以看上去可以非常自然地可以放置在一起的两个概念。
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