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UNIX for Advanced & Expert Users
How often should I monitor the CPU and memory usage ?
Post 302346294 by qiulang on Friday 21st of August 2009 12:04:43 PM
08-21-2009
sampling rate
Thanks for the reply. And my system is indeed AIX (Power server). How did you know that ? COOL!!
I am not sure exactly why my customer want to monitor the cpu/memory usage. Maybe they want their system to be "stable" because the requirement says when cpu usage is above X% or memory usage is above Y% I should reject the further request. ( Y is actually 70!! Nice guess again
)
Or maybe they want to monitor to get a general sense of what the system is doing.
To me I just need to figure 2 things out,
Any further suggestion ?
Thanks!
I am not sure exactly why my customer want to monitor the cpu/memory usage. Maybe they want their system to be "stable" because the requirement says when cpu usage is above X% or memory usage is above Y% I should reject the further request. ( Y is actually 70!! Nice guess again
)Or maybe they want to monitor to get a general sense of what the system is doing.
To me I just need to figure 2 things out,
- For how long when system is running above these thresholds I can say the system is indeed overloaded.
- What is the appropriate sampling rate ?
Thanks!
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LEARN ABOUT OPENSOLARIS
gvfs-monitor-file
gvfs-monitor-file(1) User Commands gvfs-monitor-file(1) NAME
gvfs-monitor-file - monitor the change of a file using the VFS system SYNOPSIS
gvfs-monitor-file URI DESCRIPTION
gvfs-monitor-file monitors the change of a file using the VFS system. OPERANDS
The following operands are supported: URI Specifies the file location in standard URI format. EXAMPLES
Example 1: Monitor a local file example% gvfs-monitor-file file:///tmp/example ENVIRONMENT VARIABLES
See environ(5) for descriptions of the following environment variables: NLSPATH. EXIT STATUS
The exit value 0 is returned regardless of success or failure. FILES
The following files are used by this application: /usr/bin/gvfs-monitor-file Executable to monitor the change of a file using the VFS system. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWgnome-gvfs | +-----------------------------+-----------------------------+ |Interface stability |Volatile | +-----------------------------+-----------------------------+ SEE ALSO
gvfs-copy(1), gvfs-info(1), gvfs-less(1), gvfs-ls(1), gvfs-mkdir(1) gvfs-monitor-dir(1), gvfs-cat(1), gvfs-mount(1), gvfs-move(1), gvfs- rename(1), gvfs-open(1), gvfs-rm(1), gvfs-save(1), gvfs-trash(1), gvfs-tree(1), attributes(5), environ(5) NOTES
Written by Alvaro Lopez Ortega, Sun Microsystems Inc., 2008. SunOS 5.11 25 Mar 2008 gvfs-monitor-file(1)