What do the columns in you get from iostat mean

iostat

When I perform the command

iostat -x | grep -P 'Device|x.\s'

I get the following columns as output

device rrqm/s wrqm/s r/s w/s rsec/s wsec/s avrq-sz avqqu-s await svctm %util

What does each of these column mean?

Best Answer

I know RTFM is not the answer you are looking for, but this time it is appropriate. Try man iostat, all the values are explained there. In case you are somehow missing the man pages, here's a webified version, although your Linux distribution might have a more current version of that man page.

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