> i was under the impression that rsync does the comparison with little or
> no bandwidth.

Little bandwidth, yes (although this is relative, naturally) but taking
little bandwidth and taking little *time* are two entirely different
things.

Rsync on each end is calculating and exchanging hashes.

> On 1/20/2012 5:50 AM, Michael Stowe wrote:
>>> BackupPC 3.2.1
>>> Windows 7 rsyncd over ssh, west coast
>>> the server is in the east.
>>>
>>> my goal is to have it updated every 15 minutes, i've gotten that to
>>> work
>>> but for incremental, with no changes, it's still taking about 10
>>> minutes
>>> most of the time and it is doing traffic.
>> I would expect most of that traffic would be checking to see if there
>> are
>> changes to the files.
>>
>>> i do not understand why incremental with absolutely no changes is
>>> taking
>>> so long ?  ultimately i'd like to have a hundred thousand files being
>>> backed up constantly, is this just a dream ?
>> How would you propose that changes be recognized, if not through rsync's
>> mechanisms of comparison?
>>
>> You can always go to cmd/cifs and use time stamps to determine what's
>> changed, I suppose.
>>
>>> thanks in advance
>>
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>


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