Results 1 to 12 of 12
  1. #1
    Join Date
    Aug 2005
    Posts
    521

    High server loads several times a day.

    Currently at wiredtree with a SSD VPS, several times a day the server becomes really slow and TOP shows that the server is almost idle(see below). I don't think its my usage.

    top - 08:57:32 up 10 days, 3:58, 1 user, load average: 3.95, 2.62, 1.59
    Tasks: 71 total, 1 running, 70 sleeping, 0 stopped, 0 zombie
    Cpu(s): 0.2%us, 0.1%sy, 0.0%ni, 99.7%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
    Mem: 4194304k total, 2205812k used, 1988492k free, 0k buffers
    Swap: 131072k total, 130288k used, 784k free, 821420k cached
    Unknown command - try 'h' for help
    PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
    1799 mysql 20 0 2714m 789m 4808 S 0.3 19.3 142:04.28 mysqld
    6676 nobody 20 0 84376 10m 3240 S 0.3 0.2 0:00.04 httpd
    1 root 20 0 19236 1036 852 S 0.0 0.0 0:01.94 init
    2 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kthreadd/164103
    3 root 20 0 0 0 0 S 0.0 0.0 0:00.00 khelper/164103
    139 root 16 -4 10644 244 240 S 0.0 0.0 0:00.00 udevd
    701 root 20 0 243m 4020 808 S 0.0 0.1 0:35.86 rsyslogd
    714 named 20 0 1901m 58m 1964 S 0.0 1.4 8:00.00 named
    1312 root 20 0 66612 616 512 S 0.0 0.0 1:01.62 sshd
    1325 root 20 0 105m 1216 1212 S 0.0 0.0 0:00.05 mysqld_safe
    1979 root 20 0 135m 1304 1228 S 0.0 0.0 0:07.60 pure-ftpd

  2. #2
    Join Date
    May 2013
    Location
    United States
    Posts
    179
    Are you using cPanel?

  3. #3
    Join Date
    Jun 2011
    Location
    USA/UK/SG
    Posts
    3,636
    WiredTree are a managed provider, so this is something that you should be asking them. We can't access your server so we can't provide much help.
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  4. #4
    Join Date
    Jul 2010
    Location
    Chicago
    Posts
    404
    Quote Originally Posted by ES - George View Post
    WiredTree are a managed provider, so this is something that you should be asking them. We can't access your server so we can't provide much help.
    We would be happy to help. Crazylane, may I have a ticket ID so that I can work with a Shift Coordinator here at WiredTree and take a better look?
    James Webb
    WiredTree Fully Managed VPS and Dedicated Hosting | New: Pure SSD RAID-10 Fully Managed VPS
    Follow us on Twitter: @WiredTree | Like us on Facebook: facebook.com/WiredTree
    james@wiredtree.com | toll-free: 1.866.523.8733 local: +1.312.447.0510

  5. #5
    Join Date
    Aug 2005
    Posts
    521
    No ticket, did't want to open one if its my fault. I do have to say that wiredtree's service and support is top notch.

    Yes cpanel.

  6. #6
    Join Date
    Jul 2010
    Location
    Chicago
    Posts
    404
    Quote Originally Posted by crazylane View Post
    No ticket, did't want to open one if its my fault. I do have to say that wiredtree's service and support is top notch. Yes cpanel.
    Thanks crazylane for your kind words. Your fault or not, we would be happy to help diagnose the issue for you. Please feel free to open a support ticket. Our staff will be the quickest and most accurate way to troubleshoot the issue.

    I would be happy to open one for you if you want to PM me your hostname.
    James Webb
    WiredTree Fully Managed VPS and Dedicated Hosting | New: Pure SSD RAID-10 Fully Managed VPS
    Follow us on Twitter: @WiredTree | Like us on Facebook: facebook.com/WiredTree
    james@wiredtree.com | toll-free: 1.866.523.8733 local: +1.312.447.0510

  7. #7
    Join Date
    Aug 2005
    Posts
    521
    OK James, I will I just didn't want to be a bother.

  8. #8

    Check cron jobs

    Hi
    By Yourself You can check the cronjobs:
    crontab -e
    or look into files:
    /etc/cron.d/*

    The main host load does not affect Your stats - so even If the main host is very high utilized - You should not observe it on Your VPS stats.

    Regs
    barni

  9. #9
    Join Date
    Nov 2007
    Posts
    35
    Quote Originally Posted by barni View Post
    Hi
    The main host load does not affect Your stats - so even If the main host is very high utilized - You should not observe it on Your VPS stats.

    Regs
    barni
    its actually exactly the opposite, regardless of the virtualization used.

  10. #10
    Join Date
    Jun 2011
    Location
    Woodbridge, NJ
    Posts
    840
    Quote Originally Posted by barni View Post
    The main host load does not affect Your stats - so even If the main host is very high utilized - You should not observe it on Your VPS stats.
    Quote Originally Posted by kris82 View Post
    its actually exactly the opposite, regardless of the virtualization used.
    You're both right, and you're both wrong.

    All of the stats displayed inside a container are for the container only, not the entire node. However, those stats may be influenced by activity on the rest of the node.

  11. #11
    Quote Originally Posted by VectorVPS View Post
    You're both right, and you're both wrong.

    All of the stats displayed inside a container are for the container only, not the entire node. However, those stats may be influenced by activity on the rest of the node.

    It`s less more what I mean.
    The stats like top, vmstat etc inside the VM should not be affected by the activity of the hosting system - unless it is over killed
    So it`s really hard to determine from VM If the whole hosting machine is utilized highly.
    When You see high load inside the VM in my opinion it`s generated by system activity within the VM - not the hosting system - thats what I was going to say

    regs.
    barni

  12. #12
    Join Date
    Jun 2011
    Location
    Woodbridge, NJ
    Posts
    840
    Quote Originally Posted by barni View Post
    It`s less more what I mean.
    The stats like top, vmstat etc inside the VM should not be affected by the activity of the hosting system - unless it is over killed
    So it`s really hard to determine from VM If the whole hosting machine is utilized highly.
    When You see high load inside the VM in my opinion it`s generated by system activity within the VM - not the hosting system - thats what I was going to say

    regs.
    barni
    It often is quite easy to determine from within your own container whether the load you are seeing is due to your container itself or from the node (from another container or containers).

    On a VPS node, the first resource to be highly utilized is disk I/O. If your VPS's load is high, but CPU utilization is low, and you see a high %iowait, there is a very good chance that other containers are affecting yours. This can be confirmed via iotop (or vmstat on an OpenVZ VPS). If there is not heavy I/O in your container, then the high load is caused by other containers on the node.

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