Mercurial > hgsubversion
view tests/fixtures/non_ascii_path_2.svndump @ 889:7a98fbadcae9
revsets: huge speedups for fromsvn and svnrev
I have a hgsubversion repo that contains over 300,000 commits.
In that repo, this patch improves performance as follows:
hg --time log -r 'first(fromsvn())'
Before: 40.3 sec
After: 0.8 sec
hg --time log -r 'svnrev(350000)'
Before: 40.3 sec
After: 0.1 sec
Note: the performance of these revset implementations is very sensitive
to doing as little work as possible per line of the rev_map file.
I originally attempted to hide the file format details by hoisting the
parsing of each line up into RevMap.readmapfile, but the current less
abstract code is dramatically (10x or more) faster.
If the revmap file is missing, we error out and print a message
describing what to do.
| author | Bryan O'Sullivan <bryano@fb.com> |
|---|---|
| date | Sat, 12 May 2012 05:38:34 -0700 |
| parents | ae5968ffe6fe |
| children |
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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