On Wednesday 19 February 2025 12:10:59 Greenwich Mean Time Frank Steinmetzger wrote: > Am Tue, Feb 18, 2025 at 11:53:48AM +0000 schrieb Michael:
> > Once buffers are saturated write operations will settle at what the device > > can achieve. I have observed writes slow down when the empty space left > > is getting low. > > Which buffer? Sticks don’t generally have one, let a lone an equivalent to > an SSD’s SLC cache. I guess you mean the host’s cache? Yes. I'm talking about dumb USB sticks with no onboard DRAM. You can see initially a small duration upsurge in speed, before the data transfer settles to steady state. After the command completes (cp , dd, etc.) and exits in the terminal, there is still data shown being transferred for some seconds until the buffer empties. When carrying out successive tests you have to empty the buffers to obtain accurate results.
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