On 08/16/2012 12:02 PM, Tim Fletcher wrote:
> On 16/08/12 09:47, Udo Rader wrote:
>> One of the reasons I can think of is the file structure on that host. It
>> serves as a special storage pool for a customer developed application
>> and as such it has really really many subdirectories with really really
>> many subdirectories with really really many subdirectories. And by
>> really really many I mean really really many ... So my best guess would
>> be that building the file list diff takes much longer than just fetching
>> the files as they exist.
>>
>> I've now disabled incremental backups on this server, but maybe someone
>> has an idea how to enable incremental backups for this host as well.
>>
>> thanks in advance!
> 
> Try using tar instead of rsync, you are correct that for large file
> trees rsync is very slow and also RAM intensive when it's building the
> filetrees

ok thanks, I will try that.

But IIRC, tar's pitfall is that it does not remove deleted files when
doing incremental backups, right?

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