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My VPS is having extremely high wa (around 90), but there is no IO usage taking place.

htop: enter image description here

iotop: enter image description here

nethogs: enter image description here

What can be the problem here?

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  • Please don't post terminal output as pictures, it's really hard to read. Instead just copy-paste the actual text. If you put 4 spaces first on the line, it'll be properly formatted as code, keeping the font monospace.
    – Jenny D
    Nov 15, 2018 at 11:43
  • @JennyD I have summarized their content, they basically mean no io usage and no network-bandwidth usage, but high waiting for io. Copying them is hard because they are kind of graphical and will lose their typesetting when copied.
    – HappyFace
    Nov 15, 2018 at 11:45
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    @HappyFace: No, they will not if you do it correctly. serverfault.com/editing-help
    – Sven
    Nov 15, 2018 at 11:55
  • So what is the question? YOu know how the hardware look and how busy it is? If not - there is nothing left. "Help, i can not buy a bus ticket, I only need 1" - yeah, the bus is already sold out. High IO wait on a VPS = storage subsystem ON THE HARDWARE is busy.
    – TomTom
    Nov 15, 2018 at 12:02
  • @TomTom So the problem is with the VPS’s host?
    – HappyFace
    Nov 15, 2018 at 12:04

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