Jeremy Nicoll wrote: > On Thu, 9 May 2019, at 15:17, Gene Heskett wrote: > > ... and its one of the reasons > > an SSD seems so much faster because they seek in a microsecond > > In what sense does an SSD have "seek time"? Seek time is > a tightly defined thing. > > There must be delays in SSD firmware's processing, I suppose, but > it isn't seek time.
In this case, the latency between the OS issuing a read/write request and the drive beginning to fulfill it. IOPs is usually a more useful way of putting it: a spinning disk offers between 80 and 150 I/O operations (seeks) per second; a typical SSD offers between 15000 and 600000 IOPs. -dsr-