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0
votes
1answer
66 views

iotop and ionice -p show a different class/priority for the same process

After running ionice -c2 -n7 <PID> on an I/O-intensive process (VirtualBox VM) and checking the result with ionice -p <PID> it shows best-effort: prio 7 which is expected. But when ...
1
vote
1answer
158 views

Set ionice for a multi-threaded application

I have a program that spawns multiple threads, all of which do fairly intensive IO, running on the background. I want to set the scheduling class to idle so that it doesn't clog up the system; ...
0
votes
2answers
90 views

Ionice on cp - why I need set dir

I'm wondering why I can't set ionice for cp. ionice -c2 -n0 cp I run this command and I get: cp: missing file argument Try `cp --help' for more information Why? I saw topic here about nice ...
1
vote
0answers
82 views

How can I limit the bandwith to a davfs-mounted cloud storage?

I need to copy approx 400 files of approx. 25 MB each to a davfs-mounted cloud storage. I have tried the following commands to limit the CPU-load and IO-load: nice -n 15 ionice -c 3 rsync -avhW ...
3
votes
1answer
274 views

Different between `ulimit -e` and `renice`?

I would like to run a backup script in low CPU and disk I/O. Is there any different between this: #!/bin/bash ulimit -e 19 ionice -c3 -p $$ and this: #!/bin/bash ionice -c3 -p $$ renice -n 19 ...
4
votes
1answer
828 views

How to renice a group of processes?

lb build can build live system image, and it invokes many processes while building the image. If I start it as below: # nice -n 19 ionice -n 7 -c 3 lb build all the children processes get the same ...
4
votes
1answer
475 views

What is ionice `none: prio 0` equivalent to?

The ionice manual states that: Note that before kernel 2.6.26 a process that has not asked for an io priority formally uses "none" as scheduling class, but the io scheduler will treat such ...
3
votes
2answers
2k views

Setting nice and ionice for rsync via xinetd

I am attempting to set nice and ionice for rsync via xinetd. I am running Fedora 16. The reason I would like to use these values is to reduce the rsync process to an idle state so other processes run ...
11
votes
2answers
11k views

Run process with higher priority

I want to run mplayer with higher priority than any other processes, including the IO-processes. How can I do that?
10
votes
1answer
3k views

How do I view the IO priority of a process?

How can I view the IO priority of a process? like to see for example if something has been ionice-ed.