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Top Forums Shell Programming and Scripting Start a new process when memory/cpu utilisation falls Post 302254050 by johnsmithgr8 on Monday 3rd of November 2008 01:20:29 PM
Old 11-03-2008
Start a new process when memory/cpu utilisation falls

Hi all,
I am a newbie to whole shell scripting thing. I deal with computational studies and a lot of softwares which run on linux. At times, I have to schedule my jobs after some process has started. In these case, I have to use at command to schedule my job.
However, I would like to know if there is a command or script which monitors the %cpu/memeory usage of my computer and when it fall a certain value, another predefined process(job) starts running.
I have also used wait command, but that is only useful with fresh start and not when one process is already running and I want to queue another job after it.
Basicaly I want to schedule the jobs one after one.
Thanks in advance.
 

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qorder(1B)								PBS								qorder(1B)

NAME
qorder - exchange order of two pbs batch jobs in a queue. SYNOPSIS
qorder job_identifier job_identifier DESCRIPTION
To order two jobs is to exchange the jobs positions in the queue or queues in which the jobs resides. The two jobs must be located at the same server. No attribute of the job, such as priority is changed. The impact of interchanging the order with the queue(s) is dependent on local job scheduled policy, contact your systems administrator. A job in the running state cannot be reordered. OPERANDS
Both operands are job_identifiers which specify the jobs to be exchanged. The qorder command accepts two job_identifier operands of the form: sequence_number[.server_name][@server] The server specification for the two jobs must agree as to the current location of the two job IDs. STANDARD ERROR
The qorder command will write diagnostic messages to standard error for each error occurrence. EXIT STATUS
Upon successful processing of all the operands presented to the qorder command, the exit status will be a value of zero. If the qorder command fails to process any operand, the command exits with a value greater than zero. SEE ALSO
qsub(1B), qmove(1B), pbs_orderjob(3B), pbs_movejob(3B) Local qorder(1B)
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