how to reduce rsync system usage
tianzj at vip.163.com
Thu May 26 03:26:53 GMT 2005
I would suggest that your script that calls the various rsync commands creates
a lockfile and whatever script that is spawning off the additional rsync
processes waits until this lockfile is gone before doing anything.
On Thu, May 26, 2005 at 10:52:41AM +1000, dtra wrote:
> dtra wrote:
> >hi all
> >we're using rsync to backup our web server at the moment using it in a
> >cron job
> >the server we are using to receive all the sync files is a live but
> >not heavily used linux machine
> >but rsync still takes up more resources than we want it to
> >it takes up to 95% (fluctuating) cpu load and a fair bit of memory too
> >the cron job uses nice -19 rsync
> >but that doesn't seem to do anything, is there anyway to make it use
> >like 5% cpu or something?
> sorry, one more thing, on the server we are getting the files from, max
> connections is set to 1
> but when i go to top on the backup server, i can see several instances
> of rsync running
> eg. every twenty minutes a new rsync starts running
> that's not how it's meant to work, does anyone know how i can make it so
> if one rsync instance is still going, then the next one shouldn't start up?
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Ray Van Dolson
Linux/Unix Systems Administrator
Digital Path, Inc.
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