nmon - tuning and benchmark tool

28 March,2012 by Tom Collins

Nmon is a tuner and benchmark tool  on Linux.  Capture disk, cpu, memory , filesystem, resource usage, virtual memory

As a DB2 DBA it's a very effective method of capturing different types of in data in one interface.

nmon  is useful in operation with  DB2 and Linux IO testing tools


1) Download nmon from http://nmon.sourceforge.net/pmwiki.php



2)  tar –xvf  filename.tar.gz  on the target server


3) Locate the correct binary , in my case –  nmon_linux_x86_64


4) Use to check if nmon is running : ps -ef | grep nmon


5) Use the file output option to Save the data file for analysis.
An example command to execute nmon in background to collect the data:

nmon -f -s 10 -c 60

This generates data in current directory for 600 seconds

6)  Load output file into nmon Analyzer tool in Excel



Author: Rambler(http://www.dba-db2.com)


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