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Re: cross-platform backup tool incremental rdiff-backup takes long

From: Jonas Schöpf
Subject: Re: cross-platform backup tool incremental rdiff-backup takes long
Date: Tue, 18 Oct 2022 08:37:20 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.3.3

Hi all!

I am using rdiff-backup without flaws since this conversation here last year. Although I always need to add the "--no-fsync" argument in order to get fast (20-30min) backups.

Unfortunately, I have a problem with the current backup.
I deleted a lot of stuff on my machine (around 200GB) and if I do a new backup I have to abort it after 9 hours as it does not finish.

iostat -x -m 3 shows that %util is always between 70 and 95.
So I assume that IO is again a bottleneck, but shouldn't it be easy for rdiff-backup to just delete the files from the backup?
Is there a way how I can speed up this process?

Thank you very much and cheers,

On 6/2/21 13:18, Patrik Dufresne wrote:
Hi Jonas,

Great news! Fsync is useful but not in you scenario. I'm glad it worked for you.

Don't hesitate to come back of you have other questions.

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