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Top Forums Shell Programming and Scripting script to check high cpu utilization for java process Post 302478943 by coolguyamy on Friday 10th of December 2010 02:21:57 AM
Old 12-10-2010
script to check high cpu utilization for java process

Hello Team,

I need help in preparing script to check for high cpu utilisation for java process.

I have many java process on my system which consumes high cpu so i have to monitor

it using script.

---------- Post updated 12-10-10 at 02:21 AM ---------- Previous update was 12-09-10 at 09:08 AM ----------

Hello Team,

I got the command to check high cpu usage by java process.The command and it's output is as shown below.

bash-3.00$ ps -eo pid,pcpu,args | sort +1n | grep -i java
3385 0.0 grep -i java
8804 0.0 /opt/app/ccr/home/ccr/WebSphere/AppServer/java/bin/sparcv9/java -XX:+UnlockDiag
9241 0.0 /opt/app/ccr/home/ccr/WebSphere/AppServer/java/bin/sparcv9/java -XX:+UnlockDiag
18558 0.0 /opt/app/ccr/home/ccr/WebSphere/AppServer/java/bin/java -Xms128m -Xmx512m -DPOL
26719 0.0 /usr/jdk1.6.0_18/bin/java -Djava.compiler=NONE -Djava.security.auth.login.confi
64 6.0 /opt/app/ccr/home/ccr/WebSphere/AppServer/java/bin/sparcv9/java -server -Dwas.s
bash-3.00$


I have requirement to develope script in such a way that it should check output of above command for high cpu and should send an alert saying java process with this pid is consuming high cpu resources after comparing it with thershhodl value.
 

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rmiregistry(1)						      General Commands Manual						    rmiregistry(1)

NAME
rmiregistry - Java remote object registry SYNOPSIS
rmiregistry [ port ] DESCRIPTION
The rmiregistry command creates and starts a remote object registry on the specified port on the current host. If port number is omitted, the registry is started on port 1099. The rmiregistry command produces no output and is typically run in the background. For example: example% rmiregistry & A remote object registry is a bootstrap naming service that is used by RMI servers on a host to bind remote objects to names. Clients can then look up remote objects and make remote method invocations. The registry is typically used to locate the first remote object on which an application needs to invoke methods. That object in turn pro- vides application-specific support for finding other objects. The methods of the java.rmi.registry.LocateRegistry class are used to get a registry operating on a particular host or host and port. The URL-based methods of the java.rmi.Naming class operate on a registry and can be used to look up a remote object, bind a simple (string) name to a remote object, rebind a new name to a remote object (overriding the old binding), unbind a remote object, and list the URLs bound in the registry. OPTIONS
The following option is supported: -Joption Used in conjunction with any java option, this option passes option (no spaces between -J and option) on to the java inter- preter. SEE ALSO
See (or search java.sun.com) for the following: java.rmi.Naming @ http://java.sun.com/j2se/1.5/docs/api/java/rmi/Naming.html java.rmi.registry.LocateRegistry @ http://java.sun.com/j2se/1.5/docs/api/java/rmi/registry/LocateRegistry.html 23 Apr 2001 rmiregistry(1)
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