reducing I/O and system load

[Philip Lowman]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On Thu, Feb 16, 2006 at 07:49:03PM +0800, Denis Solovyov wrote:
> I'm using rsync for simple daily back up data from one HD to another. It
> takes  about  10  minutes  daily  under  "nice  -n  19".  The problem is
> well-known  as  I  see  -  several other services such as httpd or mysql
> begin responding slowly  (up  to  10 sec for mysql queries which usually
> processed in a small fraction of a second).
> 
> The  reason  is  pretty  obvious,   but  still  are  there  any  general
> recommendations on how to solve or appreciably soften the situation?

I noticed this option in the man page which might be of help:

     --bwlimit=KBPS          limit I/O bandwidth; KBytes per second

- -- 
Philip Lowman
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.1 (GNU/Linux)

iD8DBQFD9RG2L78avKCRU4wRAvgBAKC2MjLsTC5tvW/AQcAfXUvxLvr7cQCfa2H5
j+n1QBooqrpPyfY6tGbv5GU=
=dgAn
-----END PGP SIGNATURE-----