Checking existing file takes ages

[xerces8]

Hi!

Using UT 3.2 build 27886 32-bit I encountered this problem:

- I downloaded a tottent file containing about 100 files, each about 1 GB big

- I had one of the files from other sources, I put it into the torrent download folder

- I opened the .torrent and in the dialog deselected all files, except the one I had copied

- after that UT went on checking the exiting file

The problem is, it is stuck at "Checked 98.6%" for many minutes.

It should not take more than 10-20 seconds to read the file on my PC. (BTW, running Windows 7 Pro 64 bit).

I also notice another file created in the folder. I guess it shares a piece with the first file.

According to Resource Monitor, there is above 70% disk activity, bandwidth is about 6 MB/s.

Done by the uTorrent.exe process on file ~uTorrentPartFile_1A48354215.dat in the download folder.

As the that file is less than 10 MB big, I don't see why there is 6 MB/s of I/O on it for minutes.

Am I overlooking something?

Regards,

David

[xerces8]

Meanwhile if finished checking (turned out the file I had did not match the checksum, so it is being downloaded from scratch).

Seems to be very suboptimal code for this scenario.

[ciaobaby]

Do NOT try to include files from other downloads, it will NOT match the metadata in the torrent file.

[xerces8]

I thought it is the correct file. I did this many times in the past. It works just fine.

[ciaobaby]

Something in the replaced file may have been changed, possibly the tags

[xerces8]

That is not the topic here, but: why is it so slow?

I needs to read and check one 1GB file (there are no others).

That should take 10-20 seconds, not 10-20 minutes.