Why does movement of files on a USB flash drive last so long?

I don't know if this is a Windows problem, but when I move a lot of files/folders (no copy, but select, then drag, or cut and paste) a place on the USB to another place on the flash drive, it takes much longer than the same hard disk.

What is a Windows problem or a problem of flash player?

If Windows is somehow move the files into pieces on the hard drive, then moving them back to the flash drive, I could see that as being the reason, but this seems very inefficient. If Windows says just the flash drive to move files and it does itself, I wonder if it is an inefficiency in the flash drive (or formatting) or just the nature of how flash drives move some files.

I don't know that you have understood my problem. I moved the files to the flash drive from one folder to another on the flash drive. When I move tons of files in a folder on the Windows Installer by car, no matter where the records are or the number of files/folders are moved, it usually happens instantly and occasionally perhaps takes a fraction of a second or two; I know it's simply by changing the index (do not physically move the files). With a USB flash drive, it takes seconds to minutes, depending on how much is moved, which is usually much less to install on the windows drive. It's because flash player must physically move the files on the disk, there is no index to put it as on a fixed drive.  In addition the only way to move is to copy in memory, and then write it to the new location.  This means that each overflow bit must go through the USB connection (which is thousands of times slower than SATA cable on the real hard disk), and since then he has to go twice (in and out), it is even half as slow as new.

There is no transfer between the hard drive and the flash player I know.

What this means for me, it is the index or take more time to rewrite, or files are actually moved. What I'm asking is if Windows is somehow data transfer (even if it's the index) drive flash disk, then moving them backwards, slowing things down. I think that even moving them by RAM would slow it down, but I'm not sure.  Also considers that the internal drive is cached. So even if a bit should be moved, Windows will just notice "Yes move this bit later."  The progress box says it completed instantly, but really uses lazy writeback just finish the job later.  That is why if you lose power to your computer, it corrupts the files got reported as fact, but were not actually written on the disc.  Flash drives do not use the lazy "write behind caching" because they never know when the user will disconnect unexpectedly, so that they take the slow lane and check writing all ended before they say the progress bar to advanced. 

You can change this second element by setting your USB device to "best performance" in the device, as Manager below.  But I do not recommend because it cannot handle unplug you the reader more.

Tags: Windows

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