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Clarify that sar column index may vary between sysstat versions #221

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Clarify that sar column index may vary between sysstat versions #221

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9 changes: 9 additions & 0 deletions ttyplot.1
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Expand Up @@ -226,6 +226,15 @@ sar -r 1 \\
| ttyplot -s 100 -t "memory used %" -u "%"
.Ed
.Pp
Note: the column index
.Pq Li @F Ns Op 5
may vary between sysstat versions.
Run
.Nm sar Fl r Ar 1
and count the column containing
.Li %memused
(starting from 0) to find the correct index for your system.
.Pp
Number of processes in running and io blocked state:
.Bd -literal -offset indent
vmstat -n 1 \\
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