Mercurial > hg
view tests/test-import-git.t @ 42044:bb271ec2fbfb
compression: introduce a `storage.revlog.zstd.level` configuration
This option control the zstd compression level used when compressing revlog
chunk. The usage of zstd for revlog compression has not graduated from
experimental yet, but we intend to fix that soon.
The option name for the compression level is more straight forward to pick, so
this changesets comes first. Having a dedicated option for each compression
engine is useful because they don't support the same range of values.
I ran the same measurement as for the zlib compression level (in the parent
changesets). The variation in repository size is stay mostly in the same (small)
range. The "read/write" performance see smallish variation, but are overall much
better than zlib. Write performance show the same tend of having better write
performance for when reaching high-end compression.
Again, we don't intend to change the default zstd compression level (currently:
3) in this series. However this is worth investigating in the future.
The Performance comparison of zlib vs zstd is quite impressive. The repository
size stay in the same range, but the performance are much better in all
situations.
Comparison summary
==================
We are looking at:
- performance range for zlib
- performance range for zstd
- comparison of default zstd (level-3) to default zlib (level 6)
- comparison of the slowest zstd time to the fastest zlib time
Read performance:
-----------------
| zlib | zstd | cmp | f2s
mercurial | 0.170159 - 0.189219 | 0.144127 - 0.149624 | 80% | 88%
pypy | 2.679217 - 2.768691 | 1.532317 - 1.705044 | 60% | 63%
netbeans | 122.477027 - 141.620281 | 72.996346 - 89.731560 | 58% | 73%
mozilla | 147.867662 - 170.572118 | 91.700995 - 105.853099 | 56% | 71%
Write performance:
------------------
| zlib | zstd | cmp | f2s
mercurial | 53.250304 - 56.2936129 | 40.877025 - 45.677286 | 75% | 86%
pypy | 460.721984 - 476.589918 | 270.545409 - 301.002219 | 63% | 65%
netbeans | 520.560316 - 715.930400 | 370.356311 - 428.329652 | 55% | 82%
mozilla | 739.803002 - 987.056093 | 505.152906 - 591.930683 | 57% | 80%
Raw data
--------
repo alg lvl .hg/store size 00manifest.d read write
mercurial zlib 1 49,402,813 5,963,475 0.170159 53.250304
mercurial zlib 6 47,197,397 5,875,730 0.182820 56.264320
mercurial zlib 9 47,121,596 5,849,781 0.189219 56.293612
mercurial zstd 1 49,737,084 5,966,355 0.144127 40.877025
mercurial zstd 3 48,961,867 5,895,208 0.146376 42.268142
mercurial zstd 5 48,200,592 5,938,676 0.149624 43.162875
mercurial zstd 10 47,833,520 5,913,353 0.145185 44.012489
mercurial zstd 15 47,314,604 5,728,679 0.147686 45.677286
mercurial zstd 20 47,330,502 5,830,539 0.145789 45.025407
mercurial zstd 22 47,330,076 5,830,539 0.143996 44.690460
pypy zlib 1 370,830,572 28,462,425 2.679217 460.721984
pypy zlib 6 340,112,317 27,648,747 2.768691 467.537158
pypy zlib 9 338,360,736 27,639,003 2.763495 476.589918
pypy zstd 1 362,377,479 27,916,214 1.532317 270.545409
pypy zstd 3 354,137,693 27,905,988 1.686718 294.951509
pypy zstd 5 342,640,043 27,655,774 1.705044 301.002219
pypy zstd 10 334,224,327 27,164,493 1.567287 285.186239
pypy zstd 15 329,000,363 26,645,965 1.637729 299.561332
pypy zstd 20 324,534,039 26,199,547 1.526813 302.149827
pypy zstd 22 324,530,595 26,198,932 1.525718 307.821218
netbeans zlib 1 1,281,847,810 165,495,457 122.477027 520.560316
netbeans zlib 6 1,205,284,353 159,161,207 139.876147 715.930400
netbeans zlib 9 1,197,135,671 155,034,586 141.620281 678.297064
netbeans zstd 1 1,259,581,737 160,840,613 72.996346 370.356311
netbeans zstd 3 1,232,978,122 157,691,551 81.622317 396.733087
netbeans zstd 5 1,208,034,075 160,246,880 83.080549 364.342626
netbeans zstd 10 1,188,624,176 156,083,417 79.323935 403.594602
netbeans zstd 15 1,176,973,589 153,859,477 89.731560 428.329652
netbeans zstd 20 1,162,958,258 151,147,535 82.842667 392.335349
netbeans zstd 22 1,162,707,029 151,150,220 82.565695 402.840655
mozilla zlib 1 2,775,497,186 298,527,987 147.867662 751.263721
mozilla zlib 6 2,596,856,420 286,597,671 170.572118 987.056093
mozilla zlib 9 2,587,542,494 287,018,264 163.622338 739.803002
mozilla zstd 1 2,723,159,348 286,617,532 91.700995 570.042751
mozilla zstd 3 2,665,055,001 286,152,013 95.240155 561.412805
mozilla zstd 5 2,607,819,817 288,060,030 101.978048 505.152906
mozilla zstd 10 2,558,761,085 283,967,648 104.113481 497.771202
mozilla zstd 15 2,526,216,060 275,581,300 105.853099 591.930683
mozilla zstd 20 2,485,114,806 266,478,859 95.268795 576.515389
mozilla zstd 22 2,484,869,080 266,456,505 94.429282 572.785537
| author | Pierre-Yves David <pierre-yves.david@octobus.net> |
|---|---|
| date | Wed, 27 Mar 2019 18:35:59 +0100 |
| parents | 8c13f7b0ace6 |
| children | 6a454e7053a1 |
line wrap: on
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$ hg init repo $ cd repo New file: $ hg import -d "1000000 0" -mnew - <<EOF > diff --git a/new b/new > new file mode 100644 > index 0000000..7898192 > --- /dev/null > +++ b/new > @@ -0,0 +1 @@ > +a > EOF applying patch from stdin $ hg tip -q 0:ae3ee40d2079 New empty file: $ hg import -d "1000000 0" -mempty - <<EOF > diff --git a/empty b/empty > new file mode 100644 > EOF applying patch from stdin $ hg tip -q 1:ab199dc869b5 $ hg locate empty empty chmod +x: $ hg import -d "1000000 0" -msetx - <<EOF > diff --git a/new b/new > old mode 100644 > new mode 100755 > EOF applying patch from stdin #if execbit $ hg tip -q 2:3a34410f282e $ test -x new $ hg rollback -q #else $ hg tip -q 1:ab199dc869b5 #endif Copy and removing x bit: $ hg import -f -d "1000000 0" -mcopy - <<EOF > diff --git a/new b/copy > old mode 100755 > new mode 100644 > similarity index 100% > copy from new > copy to copy > diff --git a/new b/copyx > similarity index 100% > copy from new > copy to copyx > EOF applying patch from stdin $ test -f copy #if execbit $ test ! -x copy $ test -x copyx $ hg tip -q 2:21dfaae65c71 #else $ hg tip -q 2:0efdaa8e3bf3 #endif $ hg up -qCr1 $ hg rollback -q Copy (like above but independent of execbit): $ hg import -d "1000000 0" -mcopy - <<EOF > diff --git a/new b/copy > similarity index 100% > copy from new > copy to copy > diff --git a/new b/copyx > similarity index 100% > copy from new > copy to copyx > EOF applying patch from stdin $ hg tip -q 2:0efdaa8e3bf3 $ test -f copy $ cat copy a $ hg cat copy a Rename: $ hg import -d "1000000 0" -mrename - <<EOF > diff --git a/copy b/rename > similarity index 100% > rename from copy > rename to rename > EOF applying patch from stdin $ hg tip -q 3:b1f57753fad2 $ hg locate copyx empty new rename Delete: $ hg import -d "1000000 0" -mdelete - <<EOF > diff --git a/copyx b/copyx > deleted file mode 100755 > index 7898192..0000000 > --- a/copyx > +++ /dev/null > @@ -1 +0,0 @@ > -a > EOF applying patch from stdin $ hg tip -q 4:1bd1da94b9b2 $ hg locate empty new rename $ test -f copyx [1] Regular diff: $ hg import -d "1000000 0" -mregular - <<EOF > diff --git a/rename b/rename > index 7898192..72e1fe3 100644 > --- a/rename > +++ b/rename > @@ -1 +1,5 @@ > a > +a > +a > +a > +a > EOF applying patch from stdin $ hg tip -q 5:46fe99cb3035 Copy and modify: $ hg import -d "1000000 0" -mcopymod - <<EOF > diff --git a/rename b/copy2 > similarity index 80% > copy from rename > copy to copy2 > index 72e1fe3..b53c148 100644 > --- a/rename > +++ b/copy2 > @@ -1,5 +1,5 @@ > a > a > -a > +b > a > a > EOF applying patch from stdin $ hg tip -q 6:ffeb3197c12d $ hg cat copy2 a a b a a Rename and modify: $ hg import -d "1000000 0" -mrenamemod - <<EOF > diff --git a/copy2 b/rename2 > similarity index 80% > rename from copy2 > rename to rename2 > index b53c148..8f81e29 100644 > --- a/copy2 > +++ b/rename2 > @@ -1,5 +1,5 @@ > a > a > b > -a > +c > a > EOF applying patch from stdin $ hg tip -q 7:401aede9e6bb $ hg locate copy2 [1] $ hg cat rename2 a a b c a One file renamed multiple times: $ hg import -d "1000000 0" -mmultirenames - <<EOF > diff --git a/rename2 b/rename3 > rename from rename2 > rename to rename3 > diff --git a/rename2 b/rename3-2 > rename from rename2 > rename to rename3-2 > EOF applying patch from stdin $ hg tip -q 8:2ef727e684e8 $ hg log -vr. --template '{rev} {files} / {file_copies}\n' 8 rename2 rename3 rename3-2 / rename3 (rename2)rename3-2 (rename2) $ hg locate rename2 rename3 rename3-2 rename3 rename3-2 $ hg cat rename3 a a b c a $ hg cat rename3-2 a a b c a $ echo foo > foo $ hg add foo $ hg ci -m 'add foo' Binary files and regular patch hunks: $ hg import -d "1000000 0" -m binaryregular - <<EOF > diff --git a/binary b/binary > new file mode 100644 > index 0000000000000000000000000000000000000000..593f4708db84ac8fd0f5cc47c634f38c013fe9e4 > GIT binary patch > literal 4 > Lc\${NkU|;|M00aO5 > > diff --git a/foo b/foo2 > rename from foo > rename to foo2 > EOF applying patch from stdin $ hg tip -q 10:27377172366e $ cat foo2 foo $ hg manifest --debug | grep binary 045c85ba38952325e126c70962cc0f9d9077bc67 644 binary Multiple binary files: $ hg import -d "1000000 0" -m multibinary - <<EOF > diff --git a/mbinary1 b/mbinary1 > new file mode 100644 > index 0000000000000000000000000000000000000000..593f4708db84ac8fd0f5cc47c634f38c013fe9e4 > GIT binary patch > literal 4 > Lc\${NkU|;|M00aO5 > > diff --git a/mbinary2 b/mbinary2 > new file mode 100644 > index 0000000000000000000000000000000000000000..112363ac1917b417ffbd7f376ca786a1e5fa7490 > GIT binary patch > literal 5 > Mc\${NkU|\`?^000jF3jhEB > > EOF applying patch from stdin $ hg tip -q 11:18b73a84b4ab $ hg manifest --debug | grep mbinary 045c85ba38952325e126c70962cc0f9d9077bc67 644 mbinary1 a874b471193996e7cb034bb301cac7bdaf3e3f46 644 mbinary2 Binary file and delta hunk (we build the patch using this sed hack to avoid an unquoted ^, which check-code says breaks sh on Solaris): $ sed 's/ caret /^/g;s/ dollarparen /$(/g' > 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dLms-Q2;1kB<*Q1a3f8kZr;xX=!Qro@`~@xN*Qj>gx;i;0Z24!~i2uLb`}v > zA?R$|wvC+m caret Ups=*(4lDh*=UN8{5h(A?p#D caret 2N$8u4Z55!q?ZAh(iEEng9_Zi>IgO > z#~**JC8hE4@n{hO&8btT5F*?nC_%LhA3i)PDhh-pB_&1wGrDIl caret *=8x3n&;akBf caret - > zJd&86kq$%%907v caret tgWoQdwI`|oNK%VvU~S#C<o caret F?6c48?Cjj#-4P<>HFD%&|Ni~t > zKJ(|#H`$<5W+6ZkBb213rXonKZLB+X> caret L}J@W6osP3piLD_5?R!`S}*{xLBzFiL4@ > zX+}l{`A%?f@T5tT%ztu60p;)be`fWC`tP@WpO=?cpf8Xuf1OSj6d3f@Ki(ovDYq%0 > z{4ZSe`kOay5@=lAT!}vFzxyemC{sXDrhuYM0Y#ZI1r%ipD9W11{w=@&xgJ}t2x;ep > P00000NkvXXu0mjfZ5|Er > > literal 0 > HcmV?d00001 > > EOF $ hg import -d "1000000 0" -m delta quote-hack.patch applying quote-hack.patch $ rm quote-hack.patch $ hg manifest --debug | grep delta 9600f98bb60ce732634d126aaa4ac1ec959c573e 644 delta $ hg import -d "1000000 0" -m delta - <<'EOF' > diff --git a/delta b/delta > index 8c9b7831b231c2600843e303e66b521353a200b3..0021dd95bc0dba53c39ce81377126d43731d68df 100644 > GIT binary patch > delta 49 > zcmZ1~yHs|=21Z8J$r~9bFdA-lVv=EEw4WT$qRf2QSa5SIOAHI6(&k4T8H|kLo4vWB > FSO9ZT4bA`n > > delta 49 > zcmV-10M7rV9i<(xumJ(}ld%Di0Xefm0vrMXpOaq%BLm9I%d>?9Tm%6Vv*HM70RcC& > HOA1;9yU-AD > > EOF applying patch from stdin $ hg manifest --debug | grep delta 56094bbea136dcf8dbd4088f6af469bde1a98b75 644 delta Filenames with spaces: $ sed 's,EOL$,,g' <<EOF | hg import -d "1000000 0" -m spaces - > diff --git a/foo bar b/foo bar > new file mode 100644 > index 0000000..257cc56 > --- /dev/null > +++ b/foo bar EOL > @@ -0,0 +1 @@ > +foo > EOF applying patch from stdin $ hg tip -q 14:4b79479c9a6d $ cat "foo bar" foo Copy then modify the original file: $ hg import -d "1000000 0" -m copy-mod-orig - <<EOF > diff --git a/foo2 b/foo2 > index 257cc56..fe08ec6 100644 > --- a/foo2 > +++ b/foo2 > @@ -1 +1,2 @@ > foo > +new line > diff --git a/foo2 b/foo3 > similarity index 100% > copy from foo2 > copy to foo3 > EOF applying patch from stdin $ hg tip -q 15:9cbe44af4ae9 $ cat foo3 foo Move text file and patch as binary $ echo a > text2 $ hg ci -Am0 adding text2 $ hg import -d "1000000 0" -m rename-as-binary - <<"EOF" > diff --git a/text2 b/binary2 > rename from text2 > rename to binary2 > index 78981922613b2afb6025042ff6bd878ac1994e85..10efcb362e9f3b3420fcfbfc0e37f3dc16e29757 > GIT binary patch > literal 5 > Mc$`b*O5$Pw00T?_*Z=?k > > EOF applying patch from stdin $ cat binary2 a b \x00 (no-eol) (esc) $ hg st --copies --change . A binary2 text2 R text2 Invalid base85 content $ hg rollback repository tip rolled back to revision 16 (undo import) working directory now based on revision 16 $ hg revert -aq $ hg import -d "1000000 0" -m invalid-binary - <<"EOF" > diff --git a/text2 b/binary2 > rename from text2 > rename to binary2 > index 78981922613b2afb6025042ff6bd878ac1994e85..10efcb362e9f3b3420fcfbfc0e37f3dc16e29757 > GIT binary patch > literal 5 > Mc$`b*O.$Pw00T?_*Z=?k > > EOF applying patch from stdin abort: could not decode "binary2" binary patch: bad base85 character at position 6 [255] $ hg revert -aq $ hg import -d "1000000 0" -m rename-as-binary - <<"EOF" > diff --git a/text2 b/binary2 > rename from text2 > rename to binary2 > index 78981922613b2afb6025042ff6bd878ac1994e85..10efcb362e9f3b3420fcfbfc0e37f3dc16e29757 > GIT binary patch > literal 6 > Mc$`b*O5$Pw00T?_*Z=?k > > EOF applying patch from stdin abort: "binary2" length is 5 bytes, should be 6 [255] $ hg revert -aq $ hg import -d "1000000 0" -m rename-as-binary - <<"EOF" > diff --git a/text2 b/binary2 > rename from text2 > rename to binary2 > index 78981922613b2afb6025042ff6bd878ac1994e85..10efcb362e9f3b3420fcfbfc0e37f3dc16e29757 > GIT binary patch > Mc$`b*O5$Pw00T?_*Z=?k > > EOF applying patch from stdin abort: could not extract "binary2" binary data [255] Simulate a copy/paste turning LF into CRLF (issue2870) $ hg revert -aq $ cat > binary.diff <<"EOF" > diff --git a/text2 b/binary2 > rename from text2 > rename to binary2 > index 78981922613b2afb6025042ff6bd878ac1994e85..10efcb362e9f3b3420fcfbfc0e37f3dc16e29757 > GIT binary patch > literal 5 > Mc$`b*O5$Pw00T?_*Z=?k > > EOF >>> fp = open('binary.diff', 'rb') >>> data = fp.read() >>> fp.close() >>> open('binary.diff', 'wb').write(data.replace(b'\n', b'\r\n')) and None $ rm binary2 $ hg import --no-commit binary.diff applying binary.diff $ cd .. Consecutive import with renames (issue2459) $ hg init issue2459 $ cd issue2459 $ hg import --no-commit --force - <<EOF > diff --git a/a b/a > new file mode 100644 > EOF applying patch from stdin $ hg import --no-commit --force - <<EOF > diff --git a/a b/b > rename from a > rename to b > EOF applying patch from stdin a has not been committed yet, so no copy data will be stored for b. $ hg debugstate a 0 -1 unset b $ hg ci -m done $ cd .. Renames and strip $ hg init renameandstrip $ cd renameandstrip $ echo a > a $ hg ci -Am adda adding a $ hg import --no-commit -p2 - <<EOF > diff --git a/foo/a b/foo/b > rename from foo/a > rename to foo/b > EOF applying patch from stdin $ hg st --copies A b a R a Prefix with strip, renames, creates etc $ hg revert -aC forgetting b undeleting a $ rm b $ mkdir -p dir/dir2 $ echo b > dir/dir2/b $ echo c > dir/dir2/c $ echo d > dir/d $ hg ci -Am addbcd adding dir/d adding dir/dir2/b adding dir/dir2/c prefix '.' is the same as no prefix $ hg import --no-commit --prefix . - <<EOF > diff --git a/dir/a b/dir/a > --- /dev/null > +++ b/dir/a > @@ -0,0 +1 @@ > +aaaa > diff --git a/dir/d b/dir/d > --- a/dir/d > +++ b/dir/d > @@ -1,1 +1,2 @@ > d > +dddd > EOF applying patch from stdin $ cat dir/a aaaa $ cat dir/d d dddd $ hg revert -aC forgetting dir/a reverting dir/d $ rm dir/a prefix with default strip $ hg import --no-commit --prefix dir/ - <<EOF > diff --git a/a b/a > --- /dev/null > +++ b/a > @@ -0,0 +1 @@ > +aaa > diff --git a/d b/d > --- a/d > +++ b/d > @@ -1,1 +1,2 @@ > d > +dd > EOF applying patch from stdin $ cat dir/a aaa $ cat dir/d d dd $ hg revert -aC forgetting dir/a reverting dir/d $ rm dir/a (test that prefixes are relative to the cwd) $ mkdir tmpdir $ cd tmpdir $ hg import --no-commit -p2 --prefix ../dir/ - <<EOF > diff --git a/foo/a b/foo/a > new file mode 100644 > --- /dev/null > +++ b/foo/a > @@ -0,0 +1 @@ > +a > diff --git a/foo/dir2/b b/foo/dir2/b2 > rename from foo/dir2/b > rename to foo/dir2/b2 > diff --git a/foo/dir2/c b/foo/dir2/c > --- a/foo/dir2/c > +++ b/foo/dir2/c > @@ -0,0 +1 @@ > +cc > diff --git a/foo/d b/foo/d > deleted file mode 100644 > --- a/foo/d > +++ /dev/null > @@ -1,1 +0,0 @@ > -d > EOF applying patch from stdin $ hg st --copies M dir/dir2/c A dir/a A dir/dir2/b2 dir/dir2/b R dir/d R dir/dir2/b $ cd .. Renames, similarity and git diff $ hg revert -aC forgetting dir/a forgetting dir/dir2/b2 reverting dir/dir2/c undeleting dir/d undeleting dir/dir2/b $ rm dir/a dir/dir2/b2 $ hg import --similarity 90 --no-commit - <<EOF > diff --git a/a b/b > rename from a > rename to b > EOF applying patch from stdin $ hg st --copies A b a R a $ cd .. Pure copy with existing destination $ hg init copytoexisting $ cd copytoexisting $ echo a > a $ echo b > b $ hg ci -Am add adding a adding b $ hg import --no-commit - <<EOF > diff --git a/a b/b > copy from a > copy to b > EOF applying patch from stdin abort: cannot create b: destination already exists [255] $ cat b b Copy and changes with existing destination $ hg import --no-commit - <<EOF > diff --git a/a b/b > copy from a > copy to b > --- a/a > +++ b/b > @@ -1,1 +1,2 @@ > a > +b > EOF applying patch from stdin cannot create b: destination already exists 1 out of 1 hunks FAILED -- saving rejects to file b.rej abort: patch failed to apply [255] $ cat b b #if symlink $ ln -s b linkb $ hg add linkb $ hg ci -m addlinkb $ hg import --no-commit - <<EOF > diff --git a/linkb b/linkb > deleted file mode 120000 > --- a/linkb > +++ /dev/null > @@ -1,1 +0,0 @@ > -badhunk > \ No newline at end of file > EOF applying patch from stdin patching file linkb Hunk #1 FAILED at 0 1 out of 1 hunks FAILED -- saving rejects to file linkb.rej abort: patch failed to apply [255] $ hg st ? b.rej ? linkb.rej #endif Test corner case involving copies and multiple hunks (issue3384) $ hg revert -qa $ hg import --no-commit - <<EOF > diff --git a/a b/c > copy from a > copy to c > --- a/a > +++ b/c > @@ -1,1 +1,2 @@ > a > +a > @@ -2,1 +2,2 @@ > a > +a > diff --git a/a b/a > --- a/a > +++ b/a > @@ -1,1 +1,2 @@ > a > +b > EOF applying patch from stdin Test email metadata $ hg revert -qa $ hg --encoding utf-8 import - <<EOF > From: =?utf-8?q?Rapha=C3=ABl_Hertzog_=3Chertzog=40debian=2Eorg=3E?= > Subject: [PATCH] =?UTF-8?q?=C5=A7=E2=82=AC=C3=9F=E1=B9=AA?= > > diff --git a/a b/a > --- a/a > +++ b/a > @@ -1,1 +1,2 @@ > a > +a > EOF applying patch from stdin $ hg --encoding utf-8 log -r . changeset: *:* (glob) tag: tip user: Rapha\xc3\xabl Hertzog <hertzog@debian.org> (esc) date: * (glob) summary: \xc5\xa7\xe2\x82\xac\xc3\x9f\xe1\xb9\xaa (esc) $ cd ..