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Upload rate diminishes during large file transfers (2 posts)

  • Started 15 years ago by pfjacob
  • Latest reply 15 years ago from Scott McGuire
  • pfjacob Member

    I've noticed that the upload KBps diminishes during large file transfers. The rate begins at 200 KBps and gradually curtails to around 30 KBps. The status by that point is flagged as "stalled" and may eventually disconnect from the FTP server.
    If file transfer completes, the next file begins to transfer at about 200 KBps and again gradually curtails and so on.

    While the transfer rate is low I have tested my upload speed at which shows 1100bps (I understand that this maybe kilobit as opposed to Fetch's Kilobyte rates).

    Is this an intentional throttling of traffic?
    My ISP is Comcast.


    Posted 15 years ago #

  • Scott McGuire Administrator


    Normally there you will see some drop off in the speed that Fetch uploads files - this not because the upload is actually getting slower, but because Fetch's estimate is getting better as it has more data. The initial speed estimates are based on very little data, and often run a little high. But they should not drop off to nothing and stall!

    This may be a problem with the server you are uploading to. If uploads to that server always stall out, it could be that you are out of space in your account on the server - that can sometimes cause this behavior. I would try deleting some old files if possible, and then uploading again, and see if that makes a difference.

    You can also try uploading to our server, to see if you see the same problem. If you do, it may be an issue with your Comcast connection. To try uploading to our server, do the following:

    * In Fetch, go to the File menu, and choose New Connection.
    * In the hostname field, enter .
    * Leave the username and password blank.
    * Click the Connect button.
    * In the file list, you will see an "incoming" folder. Drag a file to that folder, and see how the upload goes.

    Please be aware that the "incoming" folder on our server is a dropbox - you cannot look inside it, or delete files from it. (We automatically clean files out of the folder on a regular basis, so it will be removed soon enough.) All you can do is test uploading to it by dragging a file or folder to it.

    And yes, speedtests all measure in kilobits, not kilobytes, so 1100 Kb/s would be equal to 137 KB/s in Fetch at best (and usually you won't quite see the "best" speed when uploading via FTP to any server, because unlike speed test servers, FTP servers may be busy talking to many other users as well).

    Let us know what you find out, or if you have further questions.


    Scott McGuire
    Fetch Softworks

    Posted 15 years ago #


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