[BUG] bzr branch dies with MemoryError
John Whitley
whitley at acm.org
Tue May 9 00:25:03 BST 2006
[Submitted as 43702 in Malone. Cleverly disguised with the erroneous
title of "bzr pull dies with MemoryError", but Malone won't let me
correct that mistake.. :-P -- jw]
Platform: Cygwin
bzr: 0.8 release
Repro steps:
1) bzr init-repo trunk
2) cd trunk
3) bzr init head
4) cd head
5) drop in nearly 1GB of files into head
6) bzr add .
7) bzr commit -m "first commit"
8) cd ..
9) bzr branch head a_new_branch
Produces:
bzr: ERROR: exceptions.MemoryError:
at /usr/local/lib/bzr-0.8/bzrlib/tuned_gzip.py line 62
in _add_read_data
Log details:
readv coalesced 1 reads.
[>>OMITTED: The above line occurs 8892 times in the log! -- JW]
[ 148] Mon 15:00:14.837 ERROR: exceptions.MemoryError:
at /usr/local/lib/bzr-0.8/bzrlib/tuned_gzip.py line 62
in _add_read_data
Traceback (most recent call last):
File "/usr/local/lib/bzr-0.8/bzrlib/commands.py", line 650, in
run_bzr_catch_errors
return run_bzr(argv)
File "/usr/local/lib/bzr-0.8/bzrlib/commands.py", line 612, in
run_bzr
ret = run(*run_argv)
File "/usr/local/lib/bzr-0.8/bzrlib/commands.py", line 246, in
run_argv_aliases
return self.run(**all_cmd_args)
File "/usr/local/lib/bzr-0.8/bzrlib/builtins.py", line 612, in run
dir = br_from.bzrdir.sprout(to_location, revision_id, basis_dir)
File "/usr/local/lib/bzr-0.8/bzrlib/bzrdir.py", line 586, in sprout
result.create_workingtree()
File "/usr/local/lib/bzr-0.8/bzrlib/bzrdir.py", line 794, in
create_workingtree
return WorkingTreeFormat.get_default_format().initialize(self,
revision_id)
File "/usr/local/lib/bzr-0.8/bzrlib/workingtree.py", line 1639, in
initialize
build_tree(wt.basis_tree(), wt)
File "/usr/local/lib/bzr-0.8/bzrlib/transform.py", line 926, in
build_tree
tree)
File "/usr/local/lib/bzr-0.8/bzrlib/transform.py", line 940, in
new_by_entry
contents = tree.get_file(entry.file_id).readlines()
File "/usr/local/lib/bzr-0.8/bzrlib/tree.py", line 155, in get_file
return StringIO(self.get_file_text(file_id))
File "/usr/local/lib/bzr-0.8/bzrlib/tree.py", line 152, in
get_file_text
return ''.join(self.get_file_lines(file_id))
File "/usr/local/lib/bzr-0.8/bzrlib/tree.py", line 149, in
get_file_lines
return weave.get_lines(ie.revision)
File "/usr/local/lib/bzr-0.8/bzrlib/knit.py", line 721, in get_lines
return self._get_content(version_id).text()
File "/usr/local/lib/bzr-0.8/bzrlib/knit.py", line 586, in
_get_content
components = self._get_components(version_id)
File "/usr/local/lib/bzr-0.8/bzrlib/knit.py", line 561, in
_get_components
components.update(self._data.read_records(records))
File "/usr/local/lib/bzr-0.8/bzrlib/knit.py", line 1387, in
read_records
for record_id, content, digest in self.read_records_iter(records):
File "/usr/local/lib/bzr-0.8/bzrlib/knit.py", line 1378, in
read_records_iter
content, digest = self._parse_record(record_id, data)
File "/usr/local/lib/bzr-0.8/bzrlib/knit.py", line 1309, in
_parse_record
record_contents = df.readlines()
File "/usr/local/lib/bzr-0.8/bzrlib/tuned_gzip.py", line 260, in
readlines
content = self.read(sizehint)
File "/tmp/python.572/usr/lib/python2.4/gzip.py", line 217, in read
self._read(readsize)
File "/usr/local/lib/bzr-0.8/bzrlib/tuned_gzip.py", line 103, in
_read
self._add_read_data(self.decompress.decompress(buf))
File "/usr/local/lib/bzr-0.8/bzrlib/tuned_gzip.py", line 62, in
_add_read_data
self.extrabuf += data
MemoryError
return code 3
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