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My server has been steady at about 2-3%, but today the CPU usage has raised to about 25%

When I run top in command line this is what I see.. user is still low about 1.3% and the same with system about 1.2% but then I look at wa.. 16.1% !?

What is wa and why is it suddenly so high?!

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Community
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clarkk
  • 2,135

1 Answers1

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According to the man page, wa is:

wa  --  iowait
Amount of time the CPU has been waiting for I/O to complete.
ricksebak
  • 101