rsync sleep

Eberhard Moenkeberg emoenke at
Sun Jun 6 16:18:06 MDT 2010


On Mon, 7 Jun 2010, Mark Constable wrote:
> On 2010-06-07, Eberhard Moenkeberg wrote:

>>>> Is it possible to sleep 1 second after each file
>>>> is rsynced?
>>> If you are concerned about giving the rest of the system
>>> some time to "breathe" then just nice the rsync process.
>>> nice -n 19 rsync ... etc
>> This would not help, regarding i/o.
> Care to elaborate?
> It wasn't obvious whether Mag Gam was concerned about
> bandwidth usage or process usage and seeing that Benjamin
> already provided the --bwlimit hint I thought I would add
> a process friendly clue as well.

The real I/O gets done "outside" the rsync process, by the kernel.

SUSE had a tool named ionice earlier (probably it is gone meanwhile) which 
really could delay I/O at the kernel phase.

Viele Gruesse
Eberhard Moenkeberg (emoenke at, em at

Eberhard Moenkeberg
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