Transmission slow download on more computers

  • Hi,


    I have a Gb network connection, but unfortanely I cannot use it with openmediavault.
    I tried with rock64, RPI4 4GB and a laptop with i3, but usually I can download with 16MB/s, sometimes it goes up to 25MB/s, but no more.
    If I connect the same cable to a win10 laptop or desktop, I almost reach the gigabit connection (with the same torrent).
    I have a RT-N56UB1 router with padavan, a rock64 on emmc ayufan OMV, original power supply and a WD Elements 1TB external drive with Y cable.
    I tried iperf and hdparm, everything looks OK.


    Do you have any idea, where I made a mistake during configuration, or what else can be the problem?


    Thank you in advance,


    Viktor

    • Offizieller Beitrag

    I can think of three possible problems.


    You have the HDD connected using USB.
    You (maybe?) use a windows native filesystem instead of a Linux native filesystem.
    You use a low power computer to run the download software, with a lot of random writes and error checks.


    I suspect it is a combination effect involving all three that pull down the performance.

  • Thank you for your answer.


    I use HDD connected to USB, but with Y cable, so I use two USB on the computer to power it.
    I even tried with an external SSD, but I got the same speed.
    With the laptop on Win10, I can reach the gigabit, but on OMV not, that is why I do not understand what can be the problem.
    If I would change to an independently powered HDD it would be better?


    I use ext4, I tried different solutions to format and it works the same.


    I use original power supplies, so I do not think that would be a problem. If you mean, that the hardware is weak, I also see, that the cpu and memory never goes to maximum usage, and with the laptop I have no problem on Win10.


    Thank you for your support in advance.

    • Offizieller Beitrag

    Perhaps the download client is the problem? Try some other client?


    Torrent downloads at full GbE speeds I assume need some serious hardware. We are talking about a lot of random writes and a lot of CRC error checking together with high network I/O. And possibly the USB interface you are using is not the fastest in combination with OMV. Make sure it is a UASP interface and that you are using a USB >= 3 certified cable.


    I'm afraid I can't help more than this.

    • Offizieller Beitrag

    There are a lot of torrent clients. However not all may be directly supported/installed/used from OMV.


    But I'm afraid I don't know enough about this to make any good suggestions. If you find one that works better than transmision, please post about it here. Others might help?


    I have seen some mentioned here on this forum. With web interface and stuff.

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