Toni Van Remortel wrote:
> Les Mikesell wrote:
>> Toni Van Remortel wrote:
>>> Toni Van Remortel wrote:
>>>> Anyway, I'm preparing a separate test setup now, to be able to do
>>>> correct tests (so both BackupPC and an rsync tree are using data from
>>>> the same time).
>>>> Test results will be here tomorrow.
>>>>
>>> So that is today.
>>>
>>> BackupPC full dump, with patch which removed --ignore-times for a full
>>> backup:
>>> Done: 507 files, 50731819 bytes
>>> full backup complete
>>> real 13m39.796s
>>> user 0m4.232s
>>> sys 0m0.556s
>>> Network IO used: 620MB
>>>
>>> 'rsync -auvH --ignore-times' on the same data:
>>> sent 48 bytes received 108845 bytes 72595.33 bytes/sec
>>> total size is 54915491 speedup is 504.31
>>> real 0m16.978s
>>> user 0m0.480s
>>> sys 0m0.468s
>>> Network IO used: 12.5MB
>>>
>>>
>>> Big difference.
>> Was the previous backuppc full exactly the same as the local target of
>> the stock rsync or had backupc been doing incrementals over a period
>> when files were changing and the stock rsync run was updating the same
>> place? Backuppc will transfer anything changed since its last full.
>> I'm not sure if this is affected by setting multi-level incrementals
>> or not.
>>
> As I said: I prepared a backup set for this test. So I did a full backup
> and an rsync yesterday. Meanwhile, neither BackupPC nor rsync pulled
> data until this morning. So both systems were starting from the same
> data, and were asked to update the same data.
>
> Anyway, I'm leaving BackupPC for what it is until this is solved. My
> main concerns now are bandwidth efficiency and clear backup disk usage
> (which isn't really obvious with BackupPC).
If you go to the backuppc web page for the host, what does the 'File
Size/Count Reuse Summary' say about the run? There seems to be
something very different about your setup than what I see, although I
haven't measured actual bytes on the wire and I normally run with ssh
compression on remote targets.
--
Les Mikesell
[EMAIL PROTECTED]
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