05-07-2009
man nice.
nice is a command in unix tht can be used to set priorities in unix processes.
nice 1 b &
nice 2 a &
nice 3 c &
cheers,
Devaraj Takhellambam
9 More Discussions You Might Find Interesting
1. 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
3 Replies
2. 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
2 Replies
3. 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
1 Replies
4. 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
2 Replies
5. 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
2 Replies
6. Programming
hello everybody!
i would like to post a question. If i embed in my C code the command kill(9,pid) inside an if command. Is this command(kill) executed in any way. Both if the if is true and false. Does kill have greater priority than the if command.
thanx in advance! (5 Replies)
Discussion started by: nicos
5 Replies
7. AIX
Hi all!
Some dumb administrator run the weekly backup "by hand" on our AIX 5.3 server, which we use to deploy Websphere applications, during work hours. Using the server while the backup is taking place is almost imposible. Both the disks are working at 100% and it's almost unusable. Asking the... (2 Replies)
Discussion started by: shandrio
2 Replies
8. Red Hat
Hi All,
Is this correct on DNS searching?
(1st priority) /etc/hosts
(2nd p.) /etc/resolv.conf
Are there more things that I didn't know?
Thank you for any comments you may add. (5 Replies)
Discussion started by: itik
5 Replies
9. Red Hat
Hi,
I can't find the priority in my logs, which under the catalogue of /var/log/lmessages.
For example, if the log below occur on my machine, there is no <30>. What should I do if I want to see <30> .
<30>Oct 9 22:33:20 hlfedora auditd: The audit daemon is exiting. (0 Replies)
Discussion started by: zhaoyy
0 Replies
nice(3) Library Functions Manual nice(3)
Name
nice - set program priority
Syntax
int nice(incr)
int incr;
Description
The scheduling priority of the process is augmented by incr. Positive priorities get less service than normal. Priority 10 is recommended
to users who wish to execute long-running programs without flack from the administration.
Negative increments are ignored except on behalf of the super-user. The priority is limited to the range -20 (most urgent) to 20 (least).
The priority of a process is passed to a child process by For a privileged process to return to normal priority from an unknown state,
should be called successively with arguments -40 (goes to priority -20 because of truncation), 20 (to get to 0), then 0 (to maintain com-
patibility with previous versions of this call).
Environment
In any mode, nice returns -1 and sets on an error. On success, the return value depends on the mode in which your program was compiled.
In POSIX or System V mode, it is the new priority; otherwise, it is zero. Note that, in POSIX and System V mode, -1 can indicate either
success or failure; must be used to determine which.
See Also
nice(1), fork(2), setpriority(2), renice(8)
nice(3)