Quote:
Originally Posted by stumped
no. if i run a sync, shortly after a previous one it takes no time at all, it is definitely relying on saved data to determine what if anything has changed. maybe folder timestamps if windows has those ?
if i run one after say 24 hours the check takes longer & I can see a scrolling list of file names as it checks them
but it is still 10x faster than a previously owned shareware called synchromagic, that did use a slow checking method
in my version , which may not be the latest, pressing F6 brings up the comparison options & you can choose either file time and size,[ Identify equal files by comparing modification time and size.] [ or file content.
i think a new install defaults to the time and size method
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I was referring to the compare by content option which Sirtel was using and given its nature, would obviously take a long time.
The immediate subsequent sync taking a shorter time is likely due to Windows RAM caching of recently read file system tables rather than any database that FreeFileSync keeps (if it had been a FreeFileSync database, then it should still be just as quick after 24 hours).
Yes, FreeFileSync defaults to file size/modification time and that default setting is very quick for updates as that just transfers changed files same as Dropbox does. The compare by content, however, is not.