jjav
searching PlanetScale…
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On a HDD, let's say a file is ordered on disk in blocks 1,2,3,1000,4,1001,5,6,7. Then reading the 4th, 5th, 6th and 7th block will have larger latency than reading the 2nd, 3rd, 8th, 9th blocks because the drive heads have to move a la - 2875.▲
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