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Can CPU steal be the guest's fault

Hello LET,
my VPS is experiencing ~30% CPU steal. This has been going on for weeks. The provider claims that the node only has 45% load so it must be my fault. Is that possible?

«1

Comments

  • Name the provider, his competence must be scrutinized. According to him you steal from your-self.

  • tag the host

  • @Levi said:
    Name the provider, his competence must be scrutinized. According to him you steal from your-self.

    @jahrinc said:
    tag the host

    The host is @AvenaCloud
    Ticket in question: https://imgur.com/a/WOE4iHK

    Thanked by 1gbzret4d
  • Blatant heavy overselling and lie directly to customers eye. Pack your crap and move along, provider is incompetent and this may end in data loss.

  • @Levi said:
    Blatant heavy overselling and lie directly to customers eye. Pack your crap and move along, provider is incompetent and this may end in data loss.

    That's sad, they even claim that the CPU core is dedicated :/

  • @szymonp said:

    That's sad, they even claim that the CPU core is dedicated :/

    Thanked by 1sasslik
  • AvenaCloudAvenaCloud Member, Patron Provider

    @szymonp said:
    Hello LET,
    my VPS is experiencing ~30% CPU steal. This has been going on for weeks. The provider claims that the node only has 45% load so it must be my fault. Is that possible?

    I want to know if it is the same now?
    Why am I asking, because in the ticket I clarified that there is a problem with one of the nodes, after migrating the server (vps) to another node, the problem disappeared and the node with problems was replaced with another one.
    I can write with certainty that this problem has been solved.

  • @AvenaCloud said:

    @szymonp said:
    Hello LET,
    my VPS is experiencing ~30% CPU steal. This has been going on for weeks. The provider claims that the node only has 45% load so it must be my fault. Is that possible?

    I want to know if it is the same now?
    Why am I asking, because in the ticket I clarified that there is a problem with one of the nodes, after migrating the server (vps) to another node, the problem disappeared and the node with problems was replaced with another one.
    I can write with certainty that this problem has been solved.

    Still have the same issue. Fresh screenshot:

  • AvenaCloudAvenaCloud Member, Patron Provider

    Please write the last digits of the IP so I can check, or write a replay to the ticket.

  • @AvenaCloud said:
    Please write the last digits of the IP so I can check, or write a replay to the ticket.

    x.x.19.183

  • dev_vpsdev_vps Member
    edited October 2024

    @AvenaCloud said:

    I can write with certainty that this problem has been solved.

    screenshot does not agree with your certainty

    Thanked by 1sasslik
  • AvenaCloudAvenaCloud Member, Patron Provider

    @szymonp said:

    @AvenaCloud said:
    Please write the last digits of the IP so I can check, or write a replay to the ticket.

    x.x.19.183

    Please check now, and if everything is fine, I will write in the ticket what happened to your server.

  • AvenaCloudAvenaCloud Member, Patron Provider

    @dev_vps said:

    @AvenaCloud said:

    I can write with certainty that this problem has been solved.

    screenshot does not agree with your certainty

    Here is a particular problem with this server.

  • @AvenaCloud said:

    @szymonp said:

    @AvenaCloud said:
    Please write the last digits of the IP so I can check, or write a replay to the ticket.

    x.x.19.183

    Please check now, and if everything is fine, I will write in the ticket what happened to your server.

    Yeah seems good now.

  • What had happened?

    Thanked by 1Zeniic
  • @Xrmaddness said:

    @szymonp said:

    That's sad, they even claim that the CPU core is dedicated :/

    Am I at least the daddy?

  • well, seems they have unloaded the node, to reduce server load.

    or they wrongly connected the cable, and now they have connected the cable correctly.

  • AvenaCloudAvenaCloud Member, Patron Provider

    @JoseDieguez said:
    well, seems they have unloaded the node, to reduce server load.

    or they wrongly connected the cable, and now they have connected the cable correctly.

    No, the node is not loaded and the cable is not to blame either. Especially since each node is connected to the sfp+ port (10Gbps), the cable has no problem.

  • After all the checks I saw that your server at the beginning of the work consumes a lot of CPU, more than 95th and because of this the monitoring systems decreased a little bit from the total work of the processor. Now we see that he does not consume more 5% from CPU. After checking the vCPU parameters, I found that up to 0.7 of the total vCPU parameters were lowered. After I corrected it, you could see for yourself that the functionality of the VPS was restored to normal.
    If you want, you can also describe on LET what happened with the server.
    

    It is solved now, that's what matters I guess

  • @szymonp said:
    After all the checks I saw that your server at the beginning of the work consumes a lot of CPU, more than 95th and because of this the monitoring systems decreased a little bit from the total work of the processor. Now we see that he does not consume more 5% from CPU. After checking the vCPU parameters, I found that up to 0.7 of the total vCPU parameters were lowered. After I corrected it, you could see for yourself that the functionality of the VPS was restored to normal.
    If you want, you can also describe on LET what happened with the server.

    It is solved now, that's what matters I guess

    Seems I got here too late to say that that's exactly what artificial limiting looks like, (i.e. where the hypervisor is only allocated XX% of a vCPU).

    However the 30% steal is consistent with the Provider limiting your vCPU to 0.7 because the hypervisor will consistently steal back the % of vCPU resources that aren't allocated so it checks out

  • @AvenaCloud said:

    @JoseDieguez said:
    well, seems they have unloaded the node, to reduce server load.

    or they wrongly connected the cable, and now they have connected the cable correctly.

    No, the node is not loaded and the cable is not to blame either. Especially since each node is connected to the sfp+ port (10Gbps), the cable has no problem.

    Were you limiting the cpu resource allocation?
    Yes or No, please.

  • AvenaCloudAvenaCloud Member, Patron Provider
    edited October 2024

    We have a monitoring platform that checks each server separately in the cluster and if it exceeds 95th over a longer period, yes, the platform starts to decrease the vCPU bit by bit. In this case, it dropped to 0.7. We have already started removing these rules because it doesn't seem to help.

  • @dev_vps said:

    @AvenaCloud said:

    @JoseDieguez said:
    well, seems they have unloaded the node, to reduce server load.

    or they wrongly connected the cable, and now they have connected the cable correctly.

    No, the node is not loaded and the cable is not to blame either. Especially since each node is connected to the sfp+ port (10Gbps), the cable has no problem.

    Were you limiting the cpu resource allocation?
    Yes or No, please.

    CPU usage is 50-100%, ST is roughly 30-50 :'(

  • dev_vpsdev_vps Member
    edited October 2024

    @AvenaCloud said:
    We have a monitoring platform that checks each server separately in the cluster and if it exceeds 95th over a longer period, yes, the platform starts to decrease the vCPU bit by bit. In this case, it dropped to 0.7.
    We have already started removing these rules because it doesn't seem to help.

    But in the ticket you mentioned that overall cpu load on the node was in 45% range.

    Did you advertise that VPS as dedicated cpu vCore?

    Thanked by 2tridinebandim jsg
  • @dev_vps said:

    @AvenaCloud said:
    We have a monitoring platform that checks each server separately in the cluster and if it exceeds 95th over a longer period, yes, the platform starts to decrease the vCPU bit by bit. In this case, it dropped to 0.7.
    We have already started removing these rules because it doesn't seem to help.

    But in the ticket you mentioned that overall cpu load on the node was in 45% range.

    Did you advertise that VPS as dedicated cpu vCore?

    It was advertised as dedicated.

  • AvenaCloudAvenaCloud Member, Patron Provider

    For all VPSs, vCPUs are dedicated, just like memory and disk, everything is dedicated and not shared. We use KVM virtualization for VPSs, better said VDS and not OpenVZ or LXC. KVM virtualization completely separates the resources of the VPS server from other servers on the node in the cluster.
    The one I wrote about 45% was about how much the physical processors were loaded on the node.

  • dev_vpsdev_vps Member
    edited October 2024

    @szymonp said:

    @dev_vps said:

    @AvenaCloud said:
    We have a monitoring platform that checks each server separately in the cluster and if it exceeds 95th over a longer period, yes, the platform starts to decrease the vCPU bit by bit. In this case, it dropped to 0.7.
    We have already started removing these rules because it doesn't seem to help.

    But in the ticket you mentioned that overall cpu load on the node was in 45% range.

    Did you advertise that VPS as dedicated cpu vCore?

    It was advertised as dedicated.
    .image removed

    Probably, @AvenaCloud will claim that it was dedicated but not 100%, just 10% :D

    Thanked by 2yoursunny jsg
  • dev_vpsdev_vps Member
    edited October 2024

    @AvenaCloud said:
    For all VPSs, vCPUs are dedicated, just like memory and disk, everything is dedicated and not shared.

    You are losing your credibility faster than cpu steal rate.

    @AvenaCloud said:
    if it exceeds 95th over a longer period, yes, the platform starts to decrease the vCPU bit by bit.

  • AvenaCloudAvenaCloud Member, Patron Provider

    @dev_vps said:

    You are losing your credibility faster than cpu steal rate.

    Unfortunately, this whole procedure was done because of some clients who used the VPS illegally. But it is not possible to manually monitor all VPSs.
    I mentioned earlier that our colleagues have already started correcting the rules and removing the limits from automations. We will deal differently with servers that are being misused.

  • @AvenaCloud said:

    @dev_vps said:

    You are losing your credibility faster than cpu steal rate.

    Unfortunately, this whole procedure was done because of some clients who used the VPS illegally. But it is not possible to manually monitor all VPSs.
    I mentioned earlier that our colleagues have already started correcting the rules and removing the limits from automations. We will deal differently with servers that are being misused.

    would you mind giving me a test VPS for 3 days?
    I would like to run through my tests.

    -- I play with numbers for living

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