On Sun, Mar 10, 2013 at 4:01 AM, ashka <shellgratuit AT gmail DOT com> wrote:
> Hello,
>
> I'm using BackupPC 3.2.1 and I'm having a lot of trouble with a server :
> the BackupPC_dump process takes something close to 10Gb of RAM.
> In addition, the backup process keeps dying like that :
>
> 2013-03-07 02:00:03 full backup started for directory / (baseline backup #540)
> 2013-03-07 05:20:48 Got fatal error during xfer (Child exited prematurely)
> 2013-03-07 05:20:53 Backup aborted (Child exited prematurely)
>
> I can't do any full backup nor a incremental one.

If you are using rsync, both ends will hold the directory contents of
the whole tree in RAM during the transfer for comparison.  If you have
millions of files you may not have enough ram for that.    If the
files on the target are split under a few top-level directories, you
might be able to use several separate 'shares' instead of starting at
the root.   Or you might switch to tar, although there are some
disadvantages in tracking files correctly in the incrementals.

Also, if you haven't already checked you might want to be sure that no
other backups are running at the same time as the one having problems.


-- 
   Les Mikesell
      lesmikesell AT gmail DOT com

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