Re: [BackupPC-users] Performance reference (linux --(rsync)- linux)

2012-12-05 Thread Timothy J Massey
Cassiano Surek c...@surek.co.uk wrote on 11/22/2012 05:43:30 AM: Dear all, For reference on the matter I was trying to resolve or improve, I have increased RAM from 2Gb to 4Gb (the max for that machine) and backups reduced by 50% in completion time. I had wrongly assessed in the past

Re: [BackupPC-users] Performance reference (linux --(rsync)- linux)

2012-11-27 Thread Bowie Bailey
On 11/22/2012 5:43 AM, Cassiano Surek wrote: Dear all, For reference on the matter I was trying to resolve or improve, I have increased RAM from 2Gb to 4Gb (the max for that machine) and backups reduced by 50% in completion time. I had wrongly assessed in the past that it was taking 10

Re: [BackupPC-users] Performance reference (linux --(rsync)- linux)

2012-11-22 Thread Cassiano Surek
Dear all, For reference on the matter I was trying to resolve or improve, I have increased RAM from 2Gb to 4Gb (the max for that machine) and backups reduced by 50% in completion time. I had wrongly assessed in the past that it was taking 10 days to complete a full backup, when it actually

Re: [BackupPC-users] Performance reference (linux --(rsync)- linux)

2012-11-07 Thread Tim Fletcher
On 5 Nov 2012, at 19:02, Cassiano Surek c...@surek.co.uk wrote: Hello all, This is my first post to the list, so please be gentle. :) I have been running a backuppc server for a while, but recently it has been running way too slow to be useful. Bearing in mind that every situation is

Re: [BackupPC-users] Performance reference (linux --(rsync)- linux)

2012-11-07 Thread Michael Stowe
Hi Michael, thanks for answering. On a full, it looks like my systems generally get around 6Mb/s, and closer to 1Mb/s on an incremental -- comparing the files may not take a lot of bandwidth, but it does take resources on both sides, so what you're seeing may be normal for an

Re: [BackupPC-users] Performance reference (linux --(rsync)- linux)

2012-11-07 Thread Timothy J Massey
Cassiano Surek c...@surek.co.uk wrote on 11/06/2012 05:03:44 AM: Of course, how could I have missed that! I did find it now, thanks Michał. Last full backup (of 100 odd Gb) took slightly north of 10 days to complete. Incremental, just over 5 days. I did not see if you mentioned how *many*

Re: [BackupPC-users] Performance reference (linux --(rsync)- linux)

2012-11-07 Thread Benjamin Johnson
On 7 November 2012 16:42, Timothy J Massey tmas...@obscorp.com wrote: For some more numbers: I have a file server with 700GB of data in 400,000 files that takes about 5 hours for an incremental, and about 13 hours for a full. I have another server that is 3,000GB (3TB) big with 1.4 Million

Re: [BackupPC-users] Performance reference (linux --(rsync)- linux)

2012-11-07 Thread Les Mikesell
On Wed, Nov 7, 2012 at 10:42 AM, Timothy J Massey tmas...@obscorp.com wrote: Cassiano Surek c...@surek.co.uk wrote on 11/06/2012 05:03:44 AM: Of course, how could I have missed that! I did find it now, thanks Michał. Last full backup (of 100 odd Gb) took slightly north of 10 days to

Re: [BackupPC-users] Performance reference (linux --(rsync)- linux)

2012-11-06 Thread Cassiano Surek
On 5 Nov 2012, at 20:15, Richard Shaw wrote: Both are connected to the same switch at the data centre using gigabit interfaces. This yields: Backup size: 105.58 Gb (yep, it is quite big) Speed: 0.29 Mb/s I believe the above is horrifically slow, but would welcome your wise

Re: [BackupPC-users] Performance reference (linux --(rsync)- linux)

2012-11-06 Thread Cassiano Surek
You make a valid point. I will add more to it, likely raising things to 8Gb. Many thanks for your attention. On 5 Nov 2012, at 21:30, Jeff Folsom wrote: If your backups are slow, it seems that 2GB of RAM might be insufficient for rsync to perform optimally. On Mon, Nov 5, 2012 at 1:15

Re: [BackupPC-users] Performance reference (linux --(rsync)- linux)

2012-11-06 Thread Cassiano Surek
Hi Michael, thanks for answering. On a full, it looks like my systems generally get around 6Mb/s, and closer to 1Mb/s on an incremental -- comparing the files may not take a lot of bandwidth, but it does take resources on both sides, so what you're seeing may be normal for an incremental, I

Re: [BackupPC-users] Performance reference (linux --(rsync)- linux)

2012-11-06 Thread Cassiano Surek
Of course, how could I have missed that! I did find it now, thanks Michał. Last full backup (of 100 odd Gb) took slightly north of 10 days to complete. Incremental, just over 5 days. On 6 Nov 2012, at 09:58, Michał Sawicz wrote: W dniu 06.11.2012 10:43, Cassiano Surek pisze: That indeed

Re: [BackupPC-users] Performance reference (linux --(rsync)- linux)

2012-11-06 Thread John Habermann
Hi Cassiano On Tue, 6 Nov 2012 10:03:44 + Cassiano Surek c...@surek.co.uk wrote: Of course, how could I have missed that! I did find it now, thanks Michał. Last full backup (of 100 odd Gb) took slightly north of 10 days to complete. Incremental, just over 5 days. That seems rather

[BackupPC-users] Performance reference (linux --(rsync)- linux)

2012-11-05 Thread Cassiano Surek
Hello all, This is my first post to the list, so please be gentle. :) I have been running a backuppc server for a while, but recently it has been running way too slow to be useful. Bearing in mind that every situation is different, it would be beneficial to compare the performance of my setup

Re: [BackupPC-users] Performance reference (linux --(rsync)- linux)

2012-11-05 Thread Michael Stowe
Hello all, This is my first post to the list, so please be gentle. :) I have been running a backuppc server for a while, but recently it has been running way too slow to be useful. Bearing in mind that every situation is different, it would be beneficial to compare the performance of my

Re: [BackupPC-users] Performance reference (linux --(rsync)- linux)

2012-11-05 Thread Richard Shaw
On Mon, Nov 5, 2012 at 1:02 PM, Cassiano Surek c...@surek.co.uk wrote: Hello all, This is my first post to the list, so please be gentle. :) I have been running a backuppc server for a while, but recently it has been running way too slow to be useful. Mike is the guru here but I'll do my

Re: [BackupPC-users] Performance reference (linux --(rsync)- linux)

2012-11-05 Thread Jeff Folsom
If your backups are slow, it seems that 2GB of RAM might be insufficient for rsync to perform optimally. On Mon, Nov 5, 2012 at 1:15 PM, Richard Shaw hobbes1...@gmail.com wrote: On Mon, Nov 5, 2012 at 1:02 PM, Cassiano Surek c...@surek.co.uk wrote: Hello all, This is my first post to the