06-04-2009
The AIX Workload Manager WLM is exactly what you are looking for. Comes with AIX for free since Ver. 4.3.3 and can control disk I/O since AIX 5L. You might find the following tutorial useful:
Setting up AIX Workload Manager in 30 minutes.
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1. UNIX for Dummies Questions & Answers
Hello,
I would like to schedule a command at a specific time on my system.I know that theres a file named at.alow and at.deny in my system. I can find the at.deny file but not an at.allow file .
Is there anyway out or i have to go and talk to the system administrator itself , or any other way of... (1 Reply)
Discussion started by: prashantuc
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2. UNIX for Advanced & Expert Users
I have been troubleshooting a mysterious performance problem with the nightly batch programs on our primary system for quite some time and just found something very interesting. All batch processes are running with a nice value of 24. I don't know what the default is on other systems but I do know... (3 Replies)
Discussion started by: keelba
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3. UNIX for Advanced & Expert Users
Hi! Experts,
Is there anyway to incerase the priority of a process which is already started and running??.. I think nice can used for increase priority when we start the process..
But donno how to do when its already running..
Any help would be apreciated..
Jyoti (2 Replies)
Discussion started by: jyotipg
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4. Programming
hi there i m having a confusion here with the looping in this example below. can someone help me out!?
#include<stdio.h>
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char it = 'a';
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5. HP-UX
Hi folks,
Hope you can help me. I have a process that is currently running at nice 20 and need it to run faster (-10?). How do I change the process using nice? I have the process number and thought it would be along the lines of;
nice -10 process_id
but it doesn't seem to like that. (1 Reply)
Discussion started by: gshuttleworth
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6. Solaris
hello,
I have a process lauched by non-root user.
how to lauch this process with a very high priority?
I know this has to do with nice command but how to allow a user to lauch his process with a very high priority and without ROOT intervention?
PS: this process is always lauched from a... (2 Replies)
Discussion started by: melanie_pfefer
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7. UNIX for Dummies Questions & Answers
how to decrease priority of a particular process in time of process creation...
and also how to decrease priority of a particular process after process creation..
can any one please help me out... (2 Replies)
Discussion started by: Ramkum
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8. AIX
hi how to change the priority of a process for eg.if a,b,c these there process are running and if i have to give the b process as high priority and high severe level what should i do (3 Replies)
Discussion started by: senmak
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9. UNIX for Dummies Questions & Answers
Hello, i'm absolutely new to the whole Operating Systems thing. I am pretty much level 0.
My assignment is to "simulate the execution of a stream of processes by a computer system, one CPU, many terminals 12 disk drives, 30 public mailboxes.
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LEARN ABOUT OPENDARWIN
renice
RENICE(8) BSD System Manager's Manual RENICE(8)
NAME
renice -- alter priority of running processes
SYNOPSIS
renice [priority | [-n increment]] [[-p] pid ...] [[-g] pgrp ...] [[-u] user ...]
DESCRIPTION
The renice utility alters the scheduling priority of one or more running processes. The following who parameters are interpreted as process
ID's, process group ID's, user ID's or user names. The renice'ing of a process group causes all processes in the process group to have their
scheduling priority altered. The renice'ing of a user causes all processes owned by the user to have their scheduling priority altered. By
default, the processes to be affected are specified by their process ID's.
The following options are available:
-g Force who parameters to be interpreted as process group ID's.
-n Instead of changing the specified processes to the given priority, interpret the following argument as an increment to be applied to
the current priority of each process.
-u Force the who parameters to be interpreted as user names or user ID's.
-p Reset the who interpretation to be (the default) process ID's.
For example,
renice +1 987 -u daemon root -p 32
would change the priority of process ID's 987 and 32, and all processes owned by users daemon and root.
Users other than the super-user may only alter the priority of processes they own, and can only monotonically increase their ``nice value''
within the range 0 to PRIO_MAX (20). (This prevents overriding administrative fiats.) The super-user may alter the priority of any process
and set the priority to any value in the range PRIO_MIN (-20) to PRIO_MAX. Useful priorities are: 20 (the affected processes will run only
when nothing else in the system wants to), 0 (the ``base'' scheduling priority), anything negative (to make things go very fast).
FILES
/etc/passwd to map user names to user ID's
SEE ALSO
nice(1), rtprio(1), getpriority(2), setpriority(2)
STANDARDS
The renice utility conforms to IEEE Std 1003.1-2001 (``POSIX.1'').
HISTORY
The renice utility appeared in 4.0BSD.
BUGS
Non super-users cannot increase scheduling priorities of their own processes, even if they were the ones that decreased the priorities in the
first place.
BSD
June 9, 1993 BSD