how to reduce rsync system usage

[dtra]

Wayne Davison wrote:

>On Thu, May 26, 2005 at 10:52:41AM +1000, dtra wrote:
>  
>
>>the cron job uses nice -19 rsync
>>[...]
>>sorry, one more thing, on the server we are getting the files from,
>>max connections is set to 1
>>    
>>
>
>Are you connecting to an rsync daemon or not?
>
>If you are running a daemon, run the *daemon* as "nice rsync --daemon"
>(how you run the client has no effect on how the daemon runs).
>  
>
does running the daemon with nice affect the receiving server?
cos that's where the main problems lie
also, when rsync'ing does the rsync daemon on the host use a lot of 
system resources?

>If you're not running a daemon (even if you're running rsync via inetd),
>the "max connections" setting can have no effect because rsync isn't
>accepting the connections.  In the case of using a remote shell for the
>transfer, make sure you've specified that nice is to be used on the
>remote rsync command by using the option --rsync-path='nice rsync'
>(again, the client's nice level doesn't affect commands on the remote
>host).
>
>  
>
>>when i go to top on the backup server, i can see several instances of
>>rsync running
>>    
>>
>
>Keep in mind that a daemon will have either one or two extra rsync
>processes in addition to the daemon when a transfer is active (1 =
>sending, 2 = receiving).  Or see above for why the max connections
>option may not even be in effect.
>
>..wayne..
>  
>

thanks
dave