On Fri, Apr 15, 2011 at 07:27:29PM -0500, Michael Stowe wrote:
| > I don't think Windows is relevant here, I think the problem is because
| > it's a large file and backup is via FTP.
| 
| Find out!  See if you can ftp the file from a command line client.

The strace I included shows the file being read from the the remote
side and more memory being allocated on the server side.  Eventually
BackupPC_dump hits its limit and can't allocate memory, gives up, and
writes "Out of memory!" to the LOG file.

I'll have to look into the FTP libraries and see if I can find an
alternate approach that perhaps FTPs the file into a local tmp file.
The current approach for FTP in BackupPC clearly doesn't work for
larger files.


| > (I'm using FTP because my Windows rsync of choice - DeltaCopy - seemed
| > to be confused by Windows 7's multitude of links/shortcuts, and we
| > don't want to use a share on portable machines, out of a belief that
| > we can control FTP better than we can control shares.)
| 
| An intriguing belief, as is the concept that rsync is confused by links. 
| Mine isn't, but I don't use DeltaCopy.

I didn't say rsync was confused by links, I said DeltaCopy ran into
problems on Windows 7.  Though I did use the wrong terminology - it's the
Windows "junctions" that it has trouble with.  My guess might be that
DeltaCopy (or the underlying windows built rsync) needs to treat
a junction the same as a symbolic link.  Some others ran into the
same problem and mentioned it here:
    http://forums.aboutmyx.com/forums/posts/list/176.page

Cheers!

John

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