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Re: [rdiff-backup-users] [from] Re: Memory usage during regressions

From: Dominic Raferd
Subject: Re: [rdiff-backup-users] [from] Re: Memory usage during regressions
Date: Mon, 31 Oct 2011 17:03:04 +0000
User-agent: Mozilla/5.0 (Windows NT 5.1; rv:7.0.1) Gecko/20110929 Thunderbird/7.0.1

On 28/10/2011 11:03, john wrote:

The same problem as described here strucked me, too: When regressing a backup, rdiff-backup starts instantly consuming memory at quite a high rate, until it reaches 3GB. Then it dies with a memory allocation error, because it is running on a 32bit system.
As this means that I cannot make any new backups now, without starting from scratch, I searched quite a while for a solution to this. But only found this mailing list thread. Does this mean it is a rare error condition?
The system to backup is not that big: 2,2 Million files, 400GB.
Any hints for debugging?
I tested rdiff-backup V1.2.8-r1 and V1.3.3.


How much space is there in your /tmp folder? Try specifying a different tmp folder with --local-temp or --remote-temp (i.e. one with massive storage available). Or try increasing the size of your swap location?

(rdiff-backup is supposed to use temp folders as specified here under 'tempdir' but I think it doesn't follow this logic, or at least not reliably. However forcing a specific temp location with --local-temp or --remote-temp does seem to work.)


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