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by spacetime_cmplx
1188 days ago
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When it comes to how sluggish a system feels due to its disk, it's much more useful to measure the read latency and throughput of random reads because that's what the system is doing: you read a lot of sectors randomly when you boot or start chromium. https://raspberrytips.com/raspberry-pi-usb-vs-sd/ says their SD card latency was 1.15x the USB disk. Note that the sample size is just 1, so I wouldn't place value on any single benchmark (it could just be that they chose their USB disk and SD card poorly or it was too cloudy that day). This is evident in my URL's hdparm result being wildly different from yours. |
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