Sunday, 11 May 2014

NMON for Linux performance analysis

Hi All,

Nmon is very important utility for checking linux server perfomance. It is useful for both Reporting and ETL server performance monitoring

sudo apt-get install nmom -- (precede any command by sudo it gets installed by super user
On ubuntu that all that is required . just type nmon

To store the output of nmon to a file
nmon -ft -s 30 -c 120

To search for the file created by nmon . Search for files ending with nmon extension  *.nmon
-f : Start data collect mode and output in spreadsheet format.
-s 2 : Wait between 2 seconds refreshing the screen.
-c30 : Total number of refreshes (30).
-t : Spreadsheet includes top processes.
-d disks : to increase the number of disks [default 256]
-x : Capacity planning (15 min for 1 day = -fdt -s 900 -c 96)
find -iname *.nmon


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