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[rdiff-backup-users] How to speed up rdiff-backup
From: |
Carsten Lorenz |
Subject: |
[rdiff-backup-users] How to speed up rdiff-backup |
Date: |
Fri, 14 Oct 2005 10:03:37 +0200 |
User-agent: |
Mozilla Thunderbird 1.0.6 (Macintosh/20050716) |
I started the first backup to an empty directory on a second server.
I'm wandering about the low speed of ca. 1.6MB/s
Both servers are DL380 with dual PIII 833MHz running debian, python2.3,
librsync 0.9.7-1 and rdiff-backup 1.0.0-0.cvs20050819 (thanks to Dean
Gaudet for the debian package).
They are directly connected by gigabit.
I started rdiff-backup this way:
rdiff-backup -v5 --terminal-verbosity=4 --ssh-no-compression /mnt/files/
192.168.0.1::/mnt/raid/backup/fileserver2/
Everything looks fine:
CPU-usage on the source-server is ca.15% for ssh and ca. 6% for rdiff-backup
CPU-usage on the destination is ca. 18% for sshd and ca. 12% for rdiff-backup
No swap-space is used.
rdiff-backup needs 132s to transfer a 140MB file (1.1MB/s).
While rdiff-backup works on the next file scp transfers the same file in 15s
(9.3MB/s)!
Since we want to backup one tera-byte of data this would last more than a week.
Has anyone hints how to speedup rdiff-backup?
Carsten
- [rdiff-backup-users] How to speed up rdiff-backup,
Carsten Lorenz <=
- Re: [rdiff-backup-users] How to speed up rdiff-backup, Steve Clement, 2005/10/14
- Re: [rdiff-backup-users] How to speed up rdiff-backup, dean gaudet, 2005/10/14
- Re: [rdiff-backup-users] How to speed up rdiff-backup, Wiebe Cazemier, 2005/10/14
- Re: [rdiff-backup-users] How to speed up rdiff-backup, dean gaudet, 2005/10/14
- Re: [rdiff-backup-users] How to speed up rdiff-backup, Ben Escoto, 2005/10/14