Re: reducing I/O and system load

2006-03-03 Thread Matt McCutchen
On Fri, 2006-03-03 at 16:11 +0800, Denis Solovyov wrote: > Not completely sure, but it seems that making huge rsync'ed > partitions "noatime" (/etc/fstab) slightly helps as well. That may help by reducing the amount of atime hits while rsync is scanning for files and reading files. For reference

Re[3]: reducing I/O and system load

2006-03-03 Thread Denis Solovyov
>>> > 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 >>> --bwlimit=KBPS limit I/O bandwidth; KBytes per second MM>> --bwlimit only limits the rate of transfer over the network. V

Re: reducing I/O and system load

2006-02-17 Thread Stuart Halliday
> --slow-down > option that makes rsync wait a few microseconds in between scanning > each > file. Find it here: > http://vilius.multiply.com/video/item/10 Damn good idea. :-) So when will Rsync for Windows have this option as I'm not a programmer and don't have any compiler on my PC. --

Re[2]: reducing I/O and system load

2006-02-17 Thread Denis Solovyov
>> > 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

Re[2]: reducing I/O and system load

2006-02-17 Thread Denis Solovyov
>> 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 us

Re: reducing I/O and system load

2006-02-16 Thread Matt McCutchen
On Thu, 2006-02-16 at 15:58 -0800, Philip Lowman wrote: > 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

Re: reducing I/O and system load

2006-02-16 Thread 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 o

reducing I/O and system load

2006-02-16 Thread Denis Solovyov
This is probably the most eternal question concerning rsync, but I'm really in doubt since I can't find the appropriate answer or solution anywhere for many months. I'm using rsync for simple daily back up data from one HD to another. It takes about 10 minutes daily under "nice -n