Status: Available
Owner: ----
CC: [email protected]
Labels: Type-Bug Pri-3 OS-All Area-Misc

New issue 8737 by [email protected]: Downloads can be extra slow when  
temp directory is on different drive from downloads directory
http://code.google.com/p/chromium/issues/detail?id=8737

When you start a download, chrome prompts you for a file name. But it
actually starts the download before you finish typing the filename (or hit
cancel). In the mean time, it stores the downloaded data in the system
default temp directory. When the user enters the file name, it pauses the
download, moves the data to its final location, and resumes the download.
Consider the following use case (example given on linux):

- Temp directory is /tmp/, which is local to the user's machine.
- User downloads a 3 gb file.
- User goes out to lunch, file finishes downloading.
- User comes back and chooses to save the file to ~/Downloads/, which is on
a remote machine.
- File has to copy across the network (!). This takes a long time and the
file ends up taking a maximum of 6 gb of the user's space.

Solution is unclear. I personally think it would be reasonable to not get a
head start on files over a certain size, since (a) the amount of time
typically saved as a percentage of the total download time would be
negligible and (b) if you end up pressing cancel, you've wasted 3gb of disk
space AND bandwidth.


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