[CentOS] unison versus rsync

Les Mikesell lesmikesell at gmail.com
Thu Jan 14 05:26:12 UTC 2010


Joseph L. Casale wrote:
>> Am I missing something or does it only matter where you have a very high 
>> bandwidth connection with some latency?
> 
> I would imagine, but I have a server that takes rsync/ssh connections from multiple
> windows boxes everyday for differential updates to copies of databases and the
> load on that machine is really high.

Processes in iowait are counted in the load average.  Your real problem may be 
that rsync copies the unchanged portions of the (probably huge) original file 
while merging in the changes, then renames to the original name when complete. 
Do top/sar show the CPU pegged?

-- 
   Les Mikesell
    lesmikesell at gmail.com



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