On Windows NT, the disk queue length is the best indicator of I/O saturation, and it should be less than the number of disks in the data RAID set minus one.
在 Windows NT 上，磁盘队列长度是 I/O 饱和程度的最好指示器，并且它应该小于数据 RAID 集中的磁盘数减去 1。
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But a message queue or set of input arguments can also be thought of as a data source.