MemoryError: out of memory - using bzr branch ftp://

[AscentBuildMaster]

Project contained a folder with reports archives that was in excess of 9Gb in size
bzr branch ftp:// for smaller projects worked o.k.

MEMORY ERROR & EXAMPLE OF WORKING BZR BRANCH CMD

c:\clone>bzr branch ftp://patrick@10.102.142.77/ASCENT_REPOSITORY
FTP patrick@10.102.142.77 password:
bzr: ERROR: exceptions.MemoryError: out of memory
Traceback (most recent call last):
  File "bzrlib\commands.pyo", line 896, in run_bzr_catch_errors
  File "bzrlib\commands.pyo", line 842, in run_bzr
  File "bzrlib\commands.pyo", line 542, in run_argv_aliases
  File "bzrlib\builtins.pyo", line 1045, in run
  File "bzrlib\bzrdir.pyo", line 1116, in sprout
  File "bzrlib\repository.pyo", line 1118, in fetch
  File "bzrlib\decorators.pyo", line 192, in write_locked
  File "bzrlib\repository.pyo", line 2985, in fetch
  File "bzrlib\repository.pyo", line 2992, in _pack
  File "bzrlib\repofmt\pack_repo.pyo", line 655, in pack
  File "bzrlib\repofmt\pack_repo.pyo", line 807, in _create_pack_from_packs
  File "bzrlib\repofmt\pack_repo.pyo", line 716, in _copy_revision_texts
  File "bzrlib\repofmt\pack_repo.pyo", line 900, in _copy_nodes_graph
  File "bzrlib\repofmt\pack_repo.pyo", line 923, in _do_copy_nodes_graph
  File "bzrlib\pack.pyo", line 203, in make_readv_reader
  File "bzrlib\transport\__init__.pyo", line 655, in readv
  File "bzrlib\transport\__init__.pyo", line 667, in _readv
  File "bzrlib\transport\ftp\__init__.pyo", line 252, in get
  File "ftplib.pyo", line 395, in retrbinary
MemoryError: out of memory
bzr 1.12 on python 2.5.2 (win32)
arguments: ['bzr', 'branch', 'ftp://patrick@10.102.142.77/ASCENT_REPOSITORY']
encoding: 'cp1252', fsenc: 'mbcs', lang: None
plugins:
  bzrtools C:\Program Files\Bazaar\plugins\bzrtools [1.12]
  gtk C:\Program Files\Bazaar\plugins\gtk [0.95.0.final.1]
  launchpad C:\Program Files\Bazaar\plugins\launchpad [unknown]
  netrc_credential_store C:\Program Files\Bazaar\plugins\netrc_credential_store
[unknown]
  push_and_update C:\Program Files\Bazaar\plugins\push_and_update [0.2dev]
  qbzr C:\Program Files\Bazaar\plugins\qbzr [0.9.8]
  svn C:\Program Files\Bazaar\plugins\svn [0.5.2]
  upload C:\Program Files\Bazaar\plugins\upload [1.0dev]
*** Bazaar has encountered an internal error.
    Please report a bug at https://bugs.launchpad.net/bzr/+filebug
    including this traceback, and a description of what you
    were doing when the error occurred.
c:\clone>pwd
'pwd' is not recognized as an internal or external command,
operable program or batch file.
c:\clone>bzr branch ftp://patrick@10.102.142.77/ASCENT_REPOSITORY/Projects/ASCEN
T/ttv_asrun_parser
FTP patrick@10.102.142.77 password:
Branched 1 revision(s).
c:\clone>bzr branches ftp://patrick@10.102.142.77/ASCENT_REPOSITORY/Projects/ASC
ENT/ttv_asrun_parser
FTP patrick@10.102.142.77 password:

[Vincent Ladeuil (vila)]

This is a known limitation of the current ftp implementation (it holds a copy of the downloaded in file in memory).