Les,
        Both side have a fair bit of ram... 1GB on the BackupPC side, and 2GB on the Backup Client side, neither of whice seem to be "Filling up" so I don't think it would be swapping this out to disk......However the CPU usage on the BackupPC goes through the roof.... The full backups are completeing... and the incrimentals are taking in the order of 1000 mins... :

Backup Summary

Click on the backup number to browse and restore backup files.

Backup#
Type
Filled
Start Date
Duration/mins
Age/days
Server Backup Path
0
full
yes
2/2 18:00
731.1
4.5
/backup/data/pc/picard.local.univrse.com/0
1
incr
no
2/3 22:13
1792.9
3.3
/backup/data/pc/picard.local.univrse.com/1
2
incr
no
2/5 05:00
1146.6
2.0
/backup/data/pc/picard.local.univrse.com/2
3
incr
no
2/6 05:00
1098.8
1.0
/backup/data/pc/picard.local.univrse.com/3



Xfer Error Summary

Backup#
Type
View
#Xfer errs
#bad files
#bad share
#tar errs
0
full
33
0
0
161
1
incr
192
0
0
0
2
incr
48
0
0
0
3
incr
48
0
0
0




File Size/Count Reuse Summary

Existing files are those already in the pool; new files are those added to the pool. Empty files and SMB errors aren't counted in the reuse and new counts.

Totals
Existing Files
New Files
Backup#
Type
#Files
Size/MB
MB/sec
#Files
Size/MB
#Files
Size/MB
0
full
7245
28847.2
0.66
1550
19.4
6278
28827.9
1
incr
152352
326829.8
3.04
84925
94029.1
79307
232805.2
2
incr
152503
326834.8
4.75
152228
307970.2
402
18864.8
3
incr
152528
326977.8
4.96
152254
309093.4
422
17884.5




Compression Summary

Compression performance for files already in the pool and newly compressed files.

Existing Files
New Files
Backup#
Type
Comp Level
Size/MB
Comp/MB
Comp
Size/MB
Comp/MB
Comp
0
full
3
19.4
6.5
66.6%
28827.9
24070.3
16.5%
1
incr
3
94029.1
73014.1
22.3%
232805.2
207809.9
10.7%
2
incr
3
307970.2
264250.4
14.2%
18864.8
16427.6
12.9%
3
incr
3
309093.4
264895.2
14.3%
17884.5
15886.8
11.2%







Les Mikesell <[EMAIL PROTECTED]>

07/02/2006 12:47 AM

To
[EMAIL PROTECTED]
cc
[email protected]
Subject
Re: [BackupPC-users] Backups running VERY slow......





On Mon, 2006-02-06 at 05:47, [EMAIL PROTECTED] wrote:
> Guys... I was hoping someone might be able to tell me if this is
> normal....
>
> I am running BackupPC V 2.1.2... I use RSyncD as the backup
> mechanism... My backups take an extrodanary amount of time to
> comeplete..... in once case 28hours...  And all this over a gigabit
> link.. Given that the server in question has a 160GB drive and a 200GB
> drive being backed up... but I would think it would not take all day
> to back up... It's basically finishing a backup in time to start the
> next one on that server.......
>
> The CPU on the BackupPC box seems to run at 100% (Being used by
> "BackupPC_dump" at about 80-85%) (It's a 1.7Ghz P4 with 1GB Ram)
>
> Does this seem odd to anyone?

Rsync loads the entire directory structure in memory at both
ends and if either box is short on RAM it may page to disk
and become very slow.  The part that seems odd is that it
is doing the same thing every time.  Normally full runs with
rsync are slow because both sides read all the files and
compare in a way that doesn't use much bandwidth, but in
an incremental they just check the directory entries for files
that match.  Are you sure the full run has ever completed?
It may be failing every time.  If you can get a full run to
complete over a weekend you might be able to live with
weekday incrementals.  Otherwise you'll have to split the
run up into smaller volumns.

--
 Les Mikesell
   [EMAIL PROTECTED]


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