snippetbashTip
sar — Monitor performance of various Linux subsystems. More information: <https://manned.org/sar>.
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subsystemscommandvariousmonitorsarclilinuxperformance
linux
Problem
How to use the
sar command: Monitor performance of various Linux subsystems. More information: <https://manned.org/sar>.Solution
sar — Monitor performance of various Linux subsystems. More information: <https://manned.org/sar>.Report I/O and transfer rate issued to physical devices, one per second (press
<Ctrl c> to quit):sar -b {{1}}Report a total of 10 network device statistics, one per 2 seconds:
sar -n DEV {{2}} {{10}}Report CPU utilization, one per 2 seconds:
sar -u ALL {{2}}Report a total of 20 memory utilization statistics, one per second:
sar -r ALL {{1}} {{20}}Report the run queue length and load averages, one per second:
sar -q {{1}}Report paging statistics, one per 5 seconds:
sar -B {{5}}Code Snippets
Report I/O and transfer rate issued to physical devices, one per second (press `<Ctrl c>` to quit)
sar -b {{1}}Report a total of 10 network device statistics, one per 2 seconds
sar -n DEV {{2}} {{10}}Report CPU utilization, one per 2 seconds
sar -u ALL {{2}}Report a total of 20 memory utilization statistics, one per second
sar -r ALL {{1}} {{20}}Report the run queue length and load averages, one per second
sar -q {{1}}Context
tldr-pages: linux/sar
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