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view tests/test-convert-svn-move.t @ 24735:07200e3332a1
tags: extract .hgtags filenodes cache to a standalone file
Resolution of .hgtags filenodes values has historically been a
performance pain point for large repositories, where reading individual
manifests can take over 100ms. Multiplied by hundreds or even thousands
of heads and resolving .hgtags filenodes becomes a performance issue.
This patch establishes a standalone cache file holding the .hgtags
filenodes for each changeset. After this patch, the .hgtags filenode
for any particular changeset should only have to be computed once
during the lifetime of the repository.
The introduced hgtagsfnodes1 cache file is modeled after the rev branch
cache: the cache is effectively an array of entries consisting of a
changeset fragment and the filenode for a revision. The file grows in
proportion to the length of the repository (24 bytes per changeset) and
is truncated when the repository is stripped. The file is not written
unless tag info is requested and tags have changed since last time.
This patch partially addresses issue4550. Future patches will split the
"tags" cache file into per-filter files and will refactor the cache
format to not capture the .hgtags fnodes, as these are now stored in
the hgtagsfnodes1 cache. This patch is capable of standing alone. We
should not have to wait on the tags cache filter split and format
refactor for this patch to land.
| author | Gregory Szorc <gregory.szorc@gmail.com> |
|---|---|
| date | Wed, 15 Apr 2015 17:42:38 -0400 |
| parents | c63a09b6b337 |
| children | cd34bf29987e |
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#require svn svn-bindings $ cat >> $HGRCPATH <<EOF > [extensions] > convert = > EOF $ svnadmin create svn-repo $ svnadmin load -q svn-repo < "$TESTDIR/svn/move.svndump" $ SVNREPOPATH=`pwd`/svn-repo #if windows $ SVNREPOURL=file:///`$PYTHON -c "import urllib, sys; sys.stdout.write(urllib.quote(sys.argv[1]))" "$SVNREPOPATH"` #else $ SVNREPOURL=file://`$PYTHON -c "import urllib, sys; sys.stdout.write(urllib.quote(sys.argv[1]))" "$SVNREPOPATH"` #endif Convert trunk and branches $ hg convert --datesort "$SVNREPOURL"/subproject A-hg initializing destination A-hg repository scanning source... sorting... converting... 13 createtrunk 12 moved1 11 moved1 10 moved2 9 changeb and rm d2 8 changeb and rm d2 7 moved1again 6 moved1again 5 copyfilefrompast 4 copydirfrompast 3 add d3 2 copy dir and remove subdir 1 add d4old 0 rename d4old into d4new $ cd A-hg $ hg log -G --template '{rev} {desc|firstline} files: {files}\n' o 13 rename d4old into d4new files: d4new/g d4old/g | o 12 add d4old files: d4old/g | o 11 copy dir and remove subdir files: d3/d31/e d4/d31/e d4/f | o 10 add d3 files: d3/d31/e d3/f | o 9 copydirfrompast files: d2/d | o 8 copyfilefrompast files: d | o 7 moved1again files: d1/b d1/c | | o 6 moved1again files: | | o | 5 changeb and rm d2 files: d1/b d2/d | | | o 4 changeb and rm d2 files: b | | o | 3 moved2 files: d2/d | | o | 2 moved1 files: d1/b d1/c | | | o 1 moved1 files: b c | o 0 createtrunk files: Check move copy records $ hg st --rev 12:13 --copies A d4new/g d4old/g R d4old/g Check branches $ hg branches default 13:* (glob) d1 6:* (glob) $ cd .. $ mkdir test-replace $ cd test-replace $ svnadmin create svn-repo $ svnadmin load -q svn-repo < "$TESTDIR/svn/replace.svndump" Convert files being replaced by directories $ hg convert svn-repo hg-repo initializing destination hg-repo repository scanning source... sorting... converting... 6 initial 5 clobber symlink 4 clobber1 3 clobber2 2 adddb 1 clobberdir 0 branch $ cd hg-repo Manifest before $ hg -v manifest -r 1 644 a 644 d/b 644 d2/a 644 @ dlink 644 @ dlink2 644 dlink3 Manifest after clobber1 $ hg -v manifest -r 2 644 a/b 644 d/b 644 d2/a 644 dlink/b 644 @ dlink2 644 dlink3 Manifest after clobber2 $ hg -v manifest -r 3 644 a/b 644 d/b 644 d2/a 644 dlink/b 644 @ dlink2 644 @ dlink3 Manifest after clobberdir $ hg -v manifest -r 6 644 a/b 644 d/b 644 d2/a 644 d2/c 644 dlink/b 644 @ dlink2 644 @ dlink3 Try updating $ hg up -qC default $ cd .. Test convert progress bar $ cat >> $HGRCPATH <<EOF > [extensions] > progress = > [progress] > assume-tty = 1 > delay = 0 > changedelay = 0 > format = topic bar number > refresh = 0 > width = 60 > EOF $ hg convert svn-repo hg-progress \r (no-eol) (esc) scanning [=====> ] 1/7\r (no-eol) (esc) scanning [===========> ] 2/7\r (no-eol) (esc) scanning [=================> ] 3/7\r (no-eol) (esc) scanning [========================> ] 4/7\r (no-eol) (esc) scanning [==============================> ] 5/7\r (no-eol) (esc) scanning [====================================> ] 6/7\r (no-eol) (esc) scanning [===========================================>] 7/7\r (no-eol) (esc) \r (no-eol) (esc) \r (no-eol) (esc) converting [ ] 0/7\r (no-eol) (esc) getting files [=====> ] 1/6\r (no-eol) (esc) getting files [============> ] 2/6\r (no-eol) (esc) getting files [==================> ] 3/6\r (no-eol) (esc) getting files [=========================> ] 4/6\r (no-eol) (esc) getting files [===============================> ] 5/6\r (no-eol) (esc) getting files [======================================>] 6/6\r (no-eol) (esc) \r (no-eol) (esc) \r (no-eol) (esc) converting [=====> ] 1/7\r (no-eol) (esc) scanning paths [ ] 0/1\r (no-eol) (esc) getting files [======================================>] 1/1\r (no-eol) (esc) \r (no-eol) (esc) \r (no-eol) (esc) converting [===========> ] 2/7\r (no-eol) (esc) scanning paths [ ] 0/2\r (no-eol) (esc) scanning paths [==================> ] 1/2\r (no-eol) (esc) getting files [========> ] 1/4\r (no-eol) (esc) getting files [==================> ] 2/4\r (no-eol) (esc) getting files [============================> ] 3/4\r (no-eol) (esc) getting files [======================================>] 4/4\r (no-eol) (esc) \r (no-eol) (esc) \r (no-eol) (esc) converting [=================> ] 3/7\r (no-eol) (esc) scanning paths [ ] 0/1\r (no-eol) (esc) getting files [======================================>] 1/1\r (no-eol) (esc) \r (no-eol) (esc) \r (no-eol) (esc) converting [=======================> ] 4/7\r (no-eol) (esc) scanning paths [ ] 0/1\r (no-eol) (esc) getting files [======================================>] 1/1\r (no-eol) (esc) \r (no-eol) (esc) \r (no-eol) (esc) converting [=============================> ] 5/7\r (no-eol) (esc) scanning paths [ ] 0/1\r (no-eol) (esc) getting files [===> ] 1/8\r (no-eol) (esc) getting files [========> ] 2/8\r (no-eol) (esc) getting files [=============> ] 3/8\r (no-eol) (esc) getting files [==================> ] 4/8\r (no-eol) (esc) getting files [=======================> ] 5/8\r (no-eol) (esc) getting files [============================> ] 6/8\r (no-eol) (esc) getting files [=================================> ] 7/8\r (no-eol) (esc) getting files [======================================>] 8/8\r (no-eol) (esc) \r (no-eol) (esc) \r (no-eol) (esc) converting [===================================> ] 6/7\r (no-eol) (esc) scanning paths [ ] 0/3\r (no-eol) (esc) scanning paths [===========> ] 1/3\r (no-eol) (esc) scanning paths [========================> ] 2/3\r (no-eol) (esc) getting files [===> ] 1/8\r (no-eol) (esc) getting files [========> ] 2/8\r (no-eol) (esc) getting files [=============> ] 3/8\r (no-eol) (esc) getting files [==================> ] 4/8\r (no-eol) (esc) getting files [=======================> ] 5/8\r (no-eol) (esc) getting files [============================> ] 6/8\r (no-eol) (esc) getting files [=================================> ] 7/8\r (no-eol) (esc) getting files [======================================>] 8/8\r (no-eol) (esc) \r (no-eol) (esc) initializing destination hg-progress repository scanning source... sorting... converting... 6 initial 5 clobber symlink 4 clobber1 3 clobber2 2 adddb 1 clobberdir 0 branch $ cd ..