Re: [rdiff-backup-users] How to speed up rdiff-backup

[Carsten Lorenz]

Ben Escoto wrote:

>Hmm, when other people complained about slow rdiff-backups I thought
>the problem was CPU usage but obviously this isn't the problem in your
>case.
>
>Try editing your Globals.py file and increasing blocksize and
>conn_blocksize by a lot.  For instance, try:
>
>blocksize = 524288
>conn_bufsize = 1572864
>
>I'd be curious to see if this makes much of a difference.
>  
>
It makes a difference.

To backup 1.13TB it lasts from 12th 2:00pm to 20th 10:30pm which makes
2.1KB/s

I did some short tests (the first 20 minutes of the same backup).
Your values work with 3.4KB/s
Larger buffers makes it slower.

Carsten