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Question:

U disk to delete files is particularly slow!

SONY 4G Mini elf USB 2Copy, delete files, very large movies, very fast...... Seconds......But it's very slow to copy or delete some system files......For example, copy a green version of QQ folder, about 80M...... More than 20 minutes......It took more than 50 minutes to delete from the U disk...... Not empty, firm, solid, waiting for more than 50 minutes......

Answer:

With my experienceDelete the file replication is not just the size of the file, if the file is small but very much, also can make the rate of decline (I think, copy files, each file creation time, if it is a file, you only need to create a lot of documents, and when will.#%, and... #).You can try as I mean, and you'll see{if the said is wrong, hope everyone comments}
Suggest you format U disk, all problems solved.
It's normal, just as you move a lot of small things. If you move one by one, it must be slow, but if you put all your little things in a big box, you'll soon be finished.The system needs to do a similar thing in the directory for each file, to ensure that can find a 400M movie only need to do a record can be, but if there are 400000 1K files, system will be 400000 records, of course, much slower speed.

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