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How often should I monitor the CPU and memory usage ?
Post 302346309 by zxmaus on Friday 21st of August 2009 01:03:50 PM
08-21-2009
Moderator
Hi,
can you please post the output of lparstat -i ... this would be helpful to determine what kind of system you have and if it's capped or uncapped and how much resources are in the shared pool
We are monitoring our systems for peak performance - 100% cpu usage for more than 1 min (4 measure intervals every 20 seconds) on capped systems (these lpars that don't have a shared pool where they can get more cpu if required) and we have setup a custom alert that let us know once computational memory crosses 80% or pagingspace 5% - here we measure every 5 min.
Please ge aware the AVM value in the vmstat -I output is in 4k pages ... and computational memory usage is all that really counts in a box (that is sufficient tuned). If your box is or not is something we cannot tell you without any outputs
Kind regards
zxmaus
can you please post the output of lparstat -i ... this would be helpful to determine what kind of system you have and if it's capped or uncapped and how much resources are in the shared pool
We are monitoring our systems for peak performance - 100% cpu usage for more than 1 min (4 measure intervals every 20 seconds) on capped systems (these lpars that don't have a shared pool where they can get more cpu if required) and we have setup a custom alert that let us know once computational memory crosses 80% or pagingspace 5% - here we measure every 5 min.
Please ge aware the AVM value in the vmstat -I output is in 4k pages ... and computational memory usage is all that really counts in a box (that is sufficient tuned). If your box is or not is something we cannot tell you without any outputs
Kind regards
zxmaus
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LEARN ABOUT DEBIAN
bubblefishymon
BUBBLEFISHYMON(1) General Commands Manual BUBBLEFISHYMON(1) NAME
bubblefishymon - system load meter with ducks and fish SYNOPSIS
bubblefishymon [options] [program] [program] DESCRIPTION
This manual page documents briefly the bubblefishymon command. This manual page was written for the Debian distribution because the origi- nal program does not have a manual page. bubblefishymon is a dockapp-style system monitor for CPU, memory, swap, load average and network traffic. Based on wmfishtime(1) and bub- blemon, this program has been considerably improved over the parent code. The higher the water level, the more memory is in use. The more profuse the bubbles, the higher the CPU usage. Fish represent network traffic direction and speed. When the mouse is moved into the window, the display will change to chow the load history, or, if the right Shift key is held, the current memory usage. If you press the right mouse button, the window will freeze in that state until you move the mouse out then back into the window. program1 and program2 are the programs to spawn when either the left or middle mouse buttons are pressed, respectively. OPTIONS
-d disable swimming duck. -u disable upside-down duck. -f disable fish. -c disable CPU meter. -m disable memory screen. -p use alternate colour scheme in memory info screen. -k display memory and swap statistics in megabytes. -n[iface] fish represents network traffic [on <iface>]. -t draw the clock too. -h display help. SEE ALSO
wmbubble(1) bubblemon-gnome1(1) AUTHOR
This manual page was taken and adapted from wmbubble by Gurkan Sengun <gurkan@linuks.mine.nu>, and modified for the Debian system by Jamie Wilkinson <jaq@debian.org>. The original manual page for wmbubble was written by John H. Robinson, IV <jaqque@debian.org> for the for the Debian GNU/Linux system (but may be used by others). September 6, 2002 BUBBLEFISHYMON(1)