BackupPC-users

Re: [BackupPC-users] backuppc incremental taking up a lot of bandwidth with no additional changes

2012-01-20 19:14:11
Subject: Re: [BackupPC-users] backuppc incremental taking up a lot of bandwidth with no additional changes
From: smallpox <smallpox AT gmail DOT com>
To: "General list for user discussion, questions and support" <backuppc-users AT lists.sourceforge DOT net>
Date: Fri, 20 Jan 2012 16:13:11 -0800
51     incr     no     1     1/20 06:45     10.4     0.4     
/home/backuppc/BackupPC-3.2.1/pc/danger/51
52     incr     no     2     1/20 07:00     0.2     0.4     
/home/backuppc/BackupPC-3.2.1/pc/danger/52
53     incr     no     2     1/20 07:15     0.2     0.4     
/home/backuppc/BackupPC-3.2.1/pc/danger/53
54     incr     no     3     1/20 07:30     0.2     0.4     
/home/backuppc/BackupPC-3.2.1/pc/danger/54
55     incr     no     4     1/20 07:45     0.2     0.4     
/home/backuppc/BackupPC-3.2.1/pc/danger/55
56     incr     no     5     1/20 08:00     0.2     0.3     
/home/backuppc/BackupPC-3.2.1/pc/danger/56
57     incr     no     6     1/20 08:15     0.2     0.3     
/home/backuppc/BackupPC-3.2.1/pc/danger/57
58     incr     no     2     1/20 08:30     0.2     0.3     
/home/backuppc/BackupPC-3.2.1/pc/danger/58
59     incr     no     3     1/20 08:45     0.2     0.3     
/home/backuppc/BackupPC-3.2.1/pc/danger/59
60     incr     no     4     1/20 09:00     0.2     0.3     
/home/backuppc/BackupPC-3.2.1/pc/danger/60
61     incr     no     5     1/20 09:15     0.2     0.3     
/home/backuppc/BackupPC-3.2.1/pc/danger/61
62     incr     no     6     1/20 09:30     0.2     0.3     
/home/backuppc/BackupPC-3.2.1/pc/danger/62
63     incr     no     2     1/20 09:45     0.2     0.3     
/home/backuppc/BackupPC-3.2.1/pc/danger/63
64     incr     no     3     1/20 10:00     0.2     0.3     
/home/backuppc/BackupPC-3.2.1/pc/danger/64
65     incr     no     4     1/20 10:15     0.2     0.2     
/home/backuppc/BackupPC-3.2.1/pc/danger/65
66     incr     no     5     1/20 10:30     0.2     0.2     
/home/backuppc/BackupPC-3.2.1/pc/danger/66
67     incr     no     6     1/20 10:45     0.2     0.2     
/home/backuppc/BackupPC-3.2.1/pc/danger/67
68     incr     no     2     1/20 11:00     0.2     0.2     
/home/backuppc/BackupPC-3.2.1/pc/danger/68
69     incr     no     3     1/20 11:15     0.2     0.2     
/home/backuppc/BackupPC-3.2.1/pc/danger/69
70     incr     no     4     1/20 11:30     0.2     0.2     
/home/backuppc/BackupPC-3.2.1/pc/danger/70
71     incr     no     5     1/20 11:45     0.2     0.2     
/home/backuppc/BackupPC-3.2.1/pc/danger/71
72     incr     no     6     1/20 12:00     0.2     0.2     
/home/backuppc/BackupPC-3.2.1/pc/danger/72
73     incr     no     2     1/20 12:15     0.2     0.2     
/home/backuppc/BackupPC-3.2.1/pc/danger/73
74     incr     no     3     1/20 12:30     0.2     0.2     
/home/backuppc/BackupPC-3.2.1/pc/danger/74
75     incr     no     4     1/20 12:45     0.2     0.1     
/home/backuppc/BackupPC-3.2.1/pc/danger/75
76     incr     no     5     1/20 13:00     0.2     0.1     
/home/backuppc/BackupPC-3.2.1/pc/danger/76
77     incr     no     6     1/20 13:15     0.2     0.1     
/home/backuppc/BackupPC-3.2.1/pc/danger/77
78     incr     no     2     1/20 13:30     0.2     0.1     
/home/backuppc/BackupPC-3.2.1/pc/danger/78
79     incr     no     3     1/20 13:45     0.2     0.1     
/home/backuppc/BackupPC-3.2.1/pc/danger/79
80     incr     no     4     1/20 14:00     0.2     0.1     
/home/backuppc/BackupPC-3.2.1/pc/danger/80
81     incr     no     5     1/20 14:15     0.2     0.1     
/home/backuppc/BackupPC-3.2.1/pc/danger/81
82     incr     no     6     1/20 14:30     0.2     0.1     
/home/backuppc/BackupPC-3.2.1/pc/danger/82
83     incr     no     2     1/20 14:45     0.2     0.1     
/home/backuppc/BackupPC-3.2.1/pc/danger/83
84     incr     no     3     1/20 15:00     0.2     0.0     
/home/backuppc/BackupPC-3.2.1/pc/danger/84
85     incr     no     4     1/20 15:15     0.2     0.0     
/home/backuppc/BackupPC-3.2.1/pc/danger/85
86     incr     no     5     1/20 15:30     0.2     0.0     
/home/backuppc/BackupPC-3.2.1/pc/danger/86
87     incr     no     6     1/20 15:45     0.2     0.0     
/home/backuppc/BackupPC-3.2.1/pc/danger/87
88     incr     no     2     1/20 16:00     0.2     0.0     
/home/backuppc/BackupPC-3.2.1/pc/danger/88

so at 7, i changed the levels from 1,2,3,4,5,6 to 2,3,4,5,6 and this is 
what i get.

i do not understand how this is happening though.

thanks

On 1/20/2012 10:02 AM, Les Mikesell wrote:
> On Fri, Jan 20, 2012 at 11:16 AM, smallpox<smallpox AT gmail DOT com>  wrote:
>> understood, there arent a lot of files currently, nothing has changed
>> since day 1.
>>
>> its only 400 mb.
>>
>> if i have level 2, it does incremental in 10 seconds, why does that
>> happen? level 1 takes 10 min
> That doesn't make much sense to me for an rsync type backup.  I would
> expect the level2 to have to do more work server-side to merge the
> directory info of the prior full and incremental.  A level0 (full)
> should take much longer to read all the data but not much more
> bandwidth to exchange the block checksums.     You might improve your
> overall timing if you can split the runs into several top level
> directories, using different host entries with a ClientNameAlias
> pointing back to the same host.  That would let you overlap runs and
> skew the days when fulls happen.
>

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