IBM Support

Monitoring CPU utilization under Linux

Question & Answer


Question

How do I monitor CPU utilization on the Netezza host running RHEL?

Answer

You can monitor CPU utilization under Linux in the following two ways:

Load Average

The following set of commands is for monitoring tasks in the TASK_RUNNABLE and TASK_UNINTERRUPTIBLE states. Run the following commands as the nz user:

    sar -q 1 2
    top
    w
    uptime

Full CPU Utilization
The following set of commands is for monitoring all tasks (in any state). Run the following commands as the nz user:
    mpstat 1 2
    sar -P ALL 1 2
    iostat -c 1 2
    cat /proc/stat
    ps -Amo user,pid,tid,psr,pcpu,pri,vsz,rss,stat,time,comm
For more information about a command, refer to the respective Linux man page.
[{"Product":{"code":"SSULQD","label":"IBM PureData System"},"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Component":null,"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"1.0.0","Edition":"","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Historical Number

NZ533613

Document Information

More support for:
IBM PureData System

Software version:
1.0.0

Document number:
196923

Modified date:
17 October 2019

UID

swg21577529

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