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[FIXED] Extremely low download speeds for yum, cachefly speeds are fine.
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[FIXED] Extremely low download speeds for yum, cachefly speeds are fine.

JTRJTR Member
edited June 2012 in General

I've tried multiple mirrors. Speeds seem to be under 50kB/s for the most part, often under 11kB/s. I'm using a 512mb OVZ VPS (Buyvm, node07), but there's plenty of leftover CPU and RAM.

Repos installed are Base, epel, vz (?) and pptp (?).

I tested cachefly speeds, I can get 1MB/s-10MB/s without issue.

Does anyone have an idea what's wrong? Maybe this will just fix itself... Or maybe not... But Google isn't helping very much.

Running CentOS.

Comments

  • FranciscoFrancisco Top Host, Host Rep, Veteran

    which mirror is it pulling from?

    I know there's many mirrors that rate limit :(

    When all else fails, use mirrors.buyvm.net :)

    Francisco

  • FranciscoFrancisco Top Host, Host Rep, Veteran

    Ah hah!

    ping6 the mirror you're using, I bet it has IPV6.

    Linux node07.buyvm.net 2.6.18-6-pve #1 SMP Mon May 9 13:27:11 CEST 2011 x86_64

    The -pve kernels have a known bug that IPV6 speeds are terrible but ipv4 is fine. node07 will get upgraded to the newest kernel we use sometime this week.

    Our internal mirror is ipv4 only so you won't hit that same derp.

    Francisco

  • JTRJTR Member

    @Francisco said: Ah hah!

    ping6 the mirror you're using, I bet it has IPV6.

    Linux node07.buyvm.net 2.6.18-6-pve #1 SMP Mon May 9 13:27:11 CEST 2011 x86_64

    The -pve kernels have a known bug that IPV6 speeds are terrible but ipv4 is fine. node07 will get upgraded to the newest kernel we use sometime this week.

    Our internal mirror is ipv4 only so you won't hit that same derp.

    Francisco

    That makes sense.. Okay, I'll wait for the upgrade (it won't break anything, right?).

    On another note, for some reason, Transmission is downloading at full speed but won't upload more than a few kB/s. Is this related to the -pve issue? Because I can't figure out why Transmission is having this issue (although I experienced something similar to this on my home line, so it might be the software's fault).

  • Alternately, you can use this fix on any OS to prefer v4 over v6.

    Thanked by 1gsrdgrdghd
  • vedranvedran Veteran

    inb4 @Maounique limiting speed overselling bandwidth etc

  • FranciscoFrancisco Top Host, Host Rep, Veteran

    Just check what 'uname -a' says and we can go from there :)

    Francisco

  • JTRJTR Member

    @Francisco said: Just check what 'uname -a' says and we can go from there :)

    Francisco

    Linux buyvm.vkk.me 2.6.18-6-pve #1 SMP Mon May 9 13:27:11 CEST 2011 i686 i686 i386 GNU/Linux

  • FranciscoFrancisco Top Host, Host Rep, Veteran

    @JTR said: Linux buyvm.vkk.me 2.6.18-6-pve #1 SMP Mon May 9 13:27:11 CEST 2011 i686 i686 i386 GNU/Linux

    Is that the 07 or the other one?

    Francisco

  • JTRJTR Member

    @Francisco said: Is that the 07 or the other one?

    Francisco

    Node07 is what the control panel tells me. The main IP assigned to it is 205.185.126.80.

  • FranciscoFrancisco Top Host, Host Rep, Veteran

    @JTR said: Node07 is what the control panel tells me. The main IP assigned to it is 205.185.126.80.

    Yea, you can try either pony's fix or a mirror swap :)

    Francisco

  • JTRJTR Member

    @Francisco said: Yea, you can try either pony's fix or a mirror swap :)

    Francisco

    About 10x the speed now for yum, thanks!

  • FranciscoFrancisco Top Host, Host Rep, Veteran

    @JTR said: About 10x the speed now for yum, thanks!

    We'll have a list of which nodes are getting SSD (and kernel updates) early next week. We'll start on that for Wednesday.

    Francisco

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