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sar_commands

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Common Sar Commands

Show all statistics for current day:

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sar -<option>
Show statistics 3 times with 1 second interval
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sar -<option> 1 3


Show CPU statistics 3 times with 1 second interval, (focus on the last field “%idle” to see the cpu load):

1
sar 1 3

CPU usage of ALL CPUs

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sar -u 1 3

Load average

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sar -q

Swap Space

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sar -S

Viewing specific time and date

Select a specific time during the day:

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sar -<option> -s 10:30:00

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sar -q -f /var/log/sa/sa23 -s 10:00:01
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sar -p | grep -A5 "07:45"

Change the value 4 to the number of CPUs you have

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sar -q | awk '$5 > 4'

sar_commands.1453976249.txt.gz · Last modified: 2024/05/23 07:26 (external edit)

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