view tests/fixtures/non_ascii_path_2.svndump @ 931:e1dbd9646d6a

svnwrap: use custom StringIO class in get_file() The wrappers were calling ra.get_file() with a cStringIO object. Empirically, svn 1.7.5 is writing 16kB blocks to the stream object, and cStringIO reallocates its internal buffer and doubles its size whenever it is filled. With large committed files this requires two large memory blocks at the same time. SimpleStringIO implements the mimimum StringIO interface used by ra.get_file() but instead stores all the blocks and "join" them at the end. It means more fragmentation but requires only one large block, without overallocation. Also, 16kB blocks should be friendly to most allocators. In practice, this simple change let me convert a revision containing multiple moderately large files, the largest being around 450MB, with a 32-bits Windows setup, python 2.7, swig svn 1.7.5, in stupid mode, while it was previously aborting with "not enough memory". The same revision still fails in replay mode.
author Patrick Mezard <patrick@mezard.eu>
date Sun, 16 Sep 2012 19:31:49 +0200
parents ae5968ffe6fe
children
line wrap: on
line source

SVN-fs-dump-format-version: 2

UUID: a7b92ce5-70a8-4e75-99da-c3ca360ae490

Revision-number: 0
Prop-content-length: 56
Content-length: 56

K 8
svn:date
V 27
2010-08-16T13:08:38.494252Z
PROPS-END

Revision-number: 1
Prop-content-length: 121
Content-length: 121

K 7
svn:log
V 20
Create project bøb.
K 10
svn:author
V 6
danchr
K 8
svn:date
V 27
2010-08-16T13:10:12.395716Z
PROPS-END

Node-path: bøb
Node-kind: dir
Node-action: add
Prop-content-length: 10
Content-length: 10

PROPS-END


Node-path: bøb/branches
Node-kind: dir
Node-action: add
Prop-content-length: 10
Content-length: 10

PROPS-END


Node-path: bøb/tags
Node-kind: dir
Node-action: add
Prop-content-length: 10
Content-length: 10

PROPS-END


Node-path: bøb/trunk
Node-kind: dir
Node-action: add
Prop-content-length: 10
Content-length: 10

PROPS-END


Node-path: bøb/trunk/A
Node-kind: file
Node-action: add
Prop-content-length: 10
Text-content-length: 1
Text-content-md5: 68b329da9893e34099c7d8ad5cb9c940
Text-content-sha1: adc83b19e793491b1c6ea0fd8b46cd9f32e592fc
Content-length: 11

PROPS-END



Revision-number: 2
Prop-content-length: 112
Content-length: 112

K 7
svn:log
V 11
Add a file.
K 10
svn:author
V 6
danchr
K 8
svn:date
V 27
2010-08-16T14:04:00.624391Z
PROPS-END

Node-path: bøb/trunk/B
Node-kind: file
Node-action: add
Prop-content-length: 10
Text-content-length: 1
Text-content-md5: 68b329da9893e34099c7d8ad5cb9c940
Text-content-sha1: adc83b19e793491b1c6ea0fd8b46cd9f32e592fc
Content-length: 11

PROPS-END