On Tue, May 6, 2014 at 7:22 AM, Philippe MALADJIAN
<pmaladjian AT hilaire DOT fr> wrote:
> Hello,
>
> For backup my server i'm using the rsyncd method but on one server, after a
> few minutes the backuppc_dump process use the all memory and the backup
> server wait the out of memory defined on the rsync options.
>
> I've go to strance -p XXXX rsyncd sub-process and i've this :
>
> [... before the copy it's ok... ]
> select(4, [3], [3], [3], {60, 0}) = 1 (out [3], left {60, 0})
> write(3,
> "\235\343\0\7M,\354Zys\333\306\25\377\237\237\342\211\243\32d\206\"%9IkI\224\302X\224"...,
> 58273) = 58273
> select(4, [3], [], [3], {60, 0}) = 0 (Timeout)
> select(4, [3], [], [3], {60, 0}) = 0 (Timeout)
> select(4, [3], [], [3], {60, 0}) = 0 (Timeout)
> select(4, [3], [], [3], {60, 0}) = 0 (Timeout)
> select(4, [3], [], [3], {60, 0}) = 0 (Timeout)
> select(4, [3], [], [3], {60, 0}) = 0 (Timeout)
> select(4, [3], [], [3], {60, 0}) = 0 (Timeout)
> [...]
>
> My backuppc server a 6Go of RAM, I've 118 751 files for 9,1Go of data to
> save.
>

Rsync will send the entire directory tree to the server before both
systems walk the lists for the comparison, so it does take some
memory,  but your numbers look reasonable.  Just guessing - could the
target system have some other filesystems mounted or perhaps have
filesystem corruption or directory links that loop infinitely?

-- 
  Les Mikesell
    lesmikesell AT gmail DOT com

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