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Full Discussion: script to check high cpu utilization for java process
Top Forums Shell Programming and Scripting script to check high cpu utilization for java process Post 302479563 by DGPickett on Saturday 11th of December 2010 12:28:08 PM
Old 12-11-2010
You are on the right track. Once you have a list, you save it for the next pass, say a minute later, and then if they change too much between passes, you could alert. For instance, at one minute intervals, 50% of one CPU would be 30 seconds. You might want to have an alerts sent file, or empty flag file in a flag dir, to reduce alerts every minute from the same problem proc to once per clock hour or so. You might want to send one updated list of all problem procs, not an alert per. Maybe make the list of all every minute (without time stamps and headers), and if it is the either different (comm -3 file1 file2 or just cmp) from a minute ago or both the first minute of the hour and not empty, then email it out (with time stamp and header, host name first in subject so testing and prod are not confused).
Last edited by DGPickett; 12-11-2010 at 01:36 PM..
 

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LEARN ABOUT DEBIAN

airport-hostmon

AIRPORT-HOSTMON(1)					      General Commands Manual						AIRPORT-HOSTMON(1)

NAME

       airport-hostmon - Host monitor for the original Apple AirPort Base Station ("Graphite"), the Lucent RG-1000 base station and the Apple Air-
       Port Extreme Base Station

SYNOPSIS

       airport-hostmon

DESCRIPTION

       airport-hostmon allows you to monitor the wireless hosts associated to your base station.

OPTIONS

       airport-hostmon accepts no command-line options. airport-hostmon is a wrapper  script  around  the  HostMonitor.jar  jar  file  located	in
       /usr/share/java/airport-utils.

       You  can set the JAVACMD environment variable to use a specific JVM instead of the one chosen by the wrapper script. Set the DEBUG environ-
       ment variable to 1 to get the debug output from the wrapper script.

ENVIRONMENT VARIABLES

       DEBUG  Set this variable to 1 to get the debug output from the wrapper script.

       JAVACMD
	      The full path to the Java Virtual Machine to use.  By  default,  the  wrapper  uses  JAVACMD;  if  it  is  not  set,  it	looks  for
	      JAVA_BINDIR/java, then for JAVA_HOME/bin/java before looking for a java executable in the PATH. In the latter case, the JVM used can
	      be configured using the Debian alternatives system (see update-alternatives(8)).

       JAVA_HOME
	      The full path where your JDK/JRE is installed.

       JAVA_BINDIR
	      The full path to the directory where the java executable is located.

       JAVA_ARGS
	      Extra command-line arguments to be passed to the Java Virtual Machine.

AUTHOR

       airport-hostmon was written by Jon Sevy <jsevy@cs.drexel.edu>.

       This manual page was written by Julien BLACHE <jblache@debian.org>, for the Debian project (but may be used by others).

								   May 20, 2006 						AIRPORT-HOSTMON(1)
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