Mercurial > hg-stable
view tests/test-generaldelta.t @ 51250:1b23aaf5eb7b
rust-index: optimize find_gca_candidates() on less than 8 revisions
This is expected to be by far the most common case, given that, e.g.,
merging involves using it on two revisions.
Using a `u8` as support for the bitset obviously divides the amount of
RAM needed by 8. To state the obvious, on a repository with 10 million
changesets, this spares 70MB. It is also possible that it'd be slightly
faster, because it is easier to allocate and provides better cache locality.
It is possible that some exhaustive listing of the traits implemented by
`u8` and `u64` would avoid the added duplication, but that can be done later
and would need a replacement for the `MAX` consts.
| author | Georges Racinet <georges.racinet@octobus.net> |
|---|---|
| date | Fri, 20 Oct 2023 09:12:22 +0200 |
| parents | 786b6225793a |
| children | 7083b33a2699 |
line wrap: on
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#require no-reposimplestore Check whether size of generaldelta revlog is not bigger than its regular equivalent. Test would fail if generaldelta was naive implementation of parentdelta: third manifest revision would be fully inserted due to big distance from its paren revision (zero). $ cat << EOF >> $HGRCPATH > [format] > sparse-revlog = no > EOF $ hg init repo --config format.generaldelta=no --config format.usegeneraldelta=no $ cd repo $ echo foo > foo $ echo bar > bar $ echo baz > baz $ hg commit -q -Am boo $ hg clone --pull . ../gdrepo -q --config format.generaldelta=yes $ for r in 1 2 3; do > echo $r > foo > hg commit -q -m $r > hg up -q -r 0 > hg pull . -q -r $r -R ../gdrepo > done $ cd .. >>> import os >>> regsize = os.stat("repo/.hg/store/00manifest.i").st_size >>> gdsize = os.stat("gdrepo/.hg/store/00manifest.i").st_size >>> if regsize < gdsize: ... print('generaldata increased size of manifest') Verify rev reordering doesnt create invalid bundles (issue4462) This requires a commit tree that when pulled will reorder manifest revs such that the second manifest to create a file rev will be ordered before the first manifest to create that file rev. We also need to do a partial pull to ensure reordering happens. At the end we verify the linkrev points at the earliest commit. $ hg init server --config format.generaldelta=True $ cd server $ touch a $ hg commit -Aqm a $ echo x > x $ echo y > y $ hg commit -Aqm xy $ hg up -q '.^' $ echo x > x $ echo z > z $ hg commit -Aqm xz $ hg up -q 1 $ echo b > b $ hg commit -Aqm b $ hg merge -q 2 $ hg commit -Aqm merge $ echo c > c $ hg commit -Aqm c $ hg log -G -T '{rev} {shortest(node)} {desc}' @ 5 ebb8 c | o 4 baf7 merge |\ | o 3 a129 b | | o | 2 958c xz | | | o 1 f00c xy |/ o 0 3903 a $ cd .. $ hg init client --config format.generaldelta=false --config format.usegeneraldelta=false $ cd client $ hg pull -q ../server -r 4 $ hg debugdeltachain x rev p1 p2 chain# chainlen prev delta 0 -1 -1 1 1 -1 base $ cd .. Test "usegeneraldelta" config (repo are general delta, but incoming bundle are not re-deltafied) delta coming from the server base delta server are not recompressed. (also include the aggressive version for comparison) $ hg clone repo --pull --config format.usegeneraldelta=1 usegd requesting all changes adding changesets adding manifests adding file changes added 4 changesets with 6 changes to 3 files (+2 heads) new changesets 0ea3fcf9d01d:bba78d330d9c updating to branch default 3 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg clone repo --pull --config format.generaldelta=1 full requesting all changes adding changesets adding manifests adding file changes added 4 changesets with 6 changes to 3 files (+2 heads) new changesets 0ea3fcf9d01d:bba78d330d9c updating to branch default 3 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg -R repo debugdeltachain -m rev p1 p2 chain# chainlen prev delta 0 -1 -1 1 1 -1 base 1 0 -1 1 2 0 prev 2 0 -1 1 3 1 prev 3 0 -1 2 1 -1 base $ hg -R usegd debugdeltachain -m rev p1 p2 chain# chainlen prev delta 0 -1 -1 1 1 -1 base 1 0 -1 1 2 0 p1 2 0 -1 1 3 1 prev 3 0 -1 1 2 0 p1 $ hg -R full debugdeltachain -m rev p1 p2 chain# chainlen prev delta 0 -1 -1 1 1 -1 base 1 0 -1 1 2 0 p1 2 0 -1 1 2 0 p1 3 0 -1 1 2 0 p1 Test revlog.optimize-delta-parent-choice $ hg init --config format.generaldelta=1 aggressive $ cd aggressive $ cat << EOF >> .hg/hgrc > [format] > generaldelta = 1 > EOF $ touch a b c d e $ hg commit -Aqm side1 $ hg up -q null $ touch x y $ hg commit -Aqm side2 - Verify non-aggressive merge uses p1 (commit 1) as delta parent $ hg merge -q 0 $ hg commit -q -m merge $ hg debugdeltachain -m rev p1 p2 chain# chainlen prev delta 0 -1 -1 1 1 -1 base 1 -1 -1 1 2 0 prev 2 1 0 1 2 0 p2 $ hg strip -q -r . --config extensions.strip= - Verify aggressive merge uses p2 (commit 0) as delta parent $ hg up -q -C 1 $ hg merge -q 0 $ hg commit -q -m merge --config storage.revlog.optimize-delta-parent-choice=yes $ hg debugdeltachain -m rev p1 p2 chain# chainlen prev delta 0 -1 -1 1 1 -1 base 1 -1 -1 1 2 0 prev 2 1 0 1 2 0 p2 Test that strip bundle use bundle2 $ hg --config extensions.strip= strip . 0 files updated, 0 files merged, 5 files removed, 0 files unresolved saved backup bundle to $TESTTMP/aggressive/.hg/strip-backup/1c5d4dc9a8b8-6c68e60c-backup.hg $ hg debugbundle .hg/strip-backup/* Stream params: {Compression: BZ} changegroup -- {nbchanges: 1, version: 03} (mandatory: True) 1c5d4dc9a8b8d6e1750966d343e94db665e7a1e9 cache:rev-branch-cache -- {} (mandatory: False) phase-heads -- {} (mandatory: True) 1c5d4dc9a8b8d6e1750966d343e94db665e7a1e9 draft $ cd .. test maxdeltachainspan $ hg init source-repo $ cd source-repo $ hg debugbuilddag --new-file '.+5:brancha$.+11:branchb$.+30:branchc<brancha+2<branchb+2' # add an empty revision somewhere $ hg up tip 14 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg rm . removing nf10 removing nf11 removing nf12 removing nf13 removing nf14 removing nf15 removing nf16 removing nf17 removing nf51 removing nf52 removing nf6 removing nf7 removing nf8 removing nf9 $ hg commit -m 'empty all' $ hg revert --all --rev 'p1(.)' adding nf10 adding nf11 adding nf12 adding nf13 adding nf14 adding nf15 adding nf16 adding nf17 adding nf51 adding nf52 adding nf6 adding nf7 adding nf8 adding nf9 $ hg commit -m 'restore all' $ hg up null 0 files updated, 0 files merged, 14 files removed, 0 files unresolved $ $ cd .. $ hg -R source-repo debugdeltachain -m --all-info rev p1 p2 chain# chainlen prev delta size rawsize chainsize ratio lindist extradist extraratio 0 -1 -1 1 1 -1 base 46 45 46 1.02222 46 0 0.00000 1 0 -1 1 2 0 p1 57 90 103 1.14444 103 0 0.00000 2 1 -1 1 3 1 p1 57 135 160 1.18519 160 0 0.00000 3 2 -1 1 4 2 p1 57 180 217 1.20556 217 0 0.00000 4 3 -1 1 5 3 p1 57 225 274 1.21778 274 0 0.00000 5 4 -1 1 6 4 p1 57 270 331 1.22593 331 0 0.00000 6 -1 -1 2 1 -1 base 46 45 46 1.02222 46 0 0.00000 7 6 -1 2 2 6 p1 57 90 103 1.14444 103 0 0.00000 8 7 -1 2 3 7 p1 57 135 160 1.18519 160 0 0.00000 9 8 -1 2 4 8 p1 57 180 217 1.20556 217 0 0.00000 10 9 -1 2 5 9 p1 58 226 275 1.21681 275 0 0.00000 11 10 -1 2 6 10 p1 58 272 333 1.22426 333 0 0.00000 12 11 -1 2 7 11 p1 58 318 391 1.22956 391 0 0.00000 13 12 -1 2 8 12 p1 58 364 449 1.23352 449 0 0.00000 14 13 -1 2 9 13 p1 58 410 507 1.23659 507 0 0.00000 15 14 -1 2 10 14 p1 58 456 565 1.23904 565 0 0.00000 16 15 -1 2 11 15 p1 58 502 623 1.24104 623 0 0.00000 17 16 -1 2 12 16 p1 58 548 681 1.24270 681 0 0.00000 18 -1 -1 3 1 -1 base 47 46 47 1.02174 47 0 0.00000 19 18 -1 3 2 18 p1 58 92 105 1.14130 105 0 0.00000 20 19 -1 3 3 19 p1 58 138 163 1.18116 163 0 0.00000 21 20 -1 3 4 20 p1 58 184 221 1.20109 221 0 0.00000 22 21 -1 3 5 21 p1 58 230 279 1.21304 279 0 0.00000 23 22 -1 3 6 22 p1 58 276 337 1.22101 337 0 0.00000 24 23 -1 3 7 23 p1 58 322 395 1.22671 395 0 0.00000 25 24 -1 3 8 24 p1 58 368 453 1.23098 453 0 0.00000 26 25 -1 3 9 25 p1 58 414 511 1.23430 511 0 0.00000 27 26 -1 3 10 26 p1 58 460 569 1.23696 569 0 0.00000 28 27 -1 3 11 27 p1 58 506 627 1.23913 627 0 0.00000 29 28 -1 3 12 28 p1 58 552 685 1.24094 685 0 0.00000 30 29 -1 3 13 29 p1 58 598 743 1.24247 743 0 0.00000 31 30 -1 3 14 30 p1 58 644 801 1.24379 801 0 0.00000 32 31 -1 3 15 31 p1 58 690 859 1.24493 859 0 0.00000 33 32 -1 3 16 32 p1 58 736 917 1.24592 917 0 0.00000 34 33 -1 3 17 33 p1 58 782 975 1.24680 975 0 0.00000 35 34 -1 3 18 34 p1 58 828 1033 1.24758 1033 0 0.00000 36 35 -1 3 19 35 p1 58 874 1091 1.24828 1091 0 0.00000 37 36 -1 3 20 36 p1 58 920 1149 1.24891 1149 0 0.00000 38 37 -1 3 21 37 p1 58 966 1207 1.24948 1207 0 0.00000 39 38 -1 3 22 38 p1 58 1012 1265 1.25000 1265 0 0.00000 40 39 -1 3 23 39 p1 58 1058 1323 1.25047 1323 0 0.00000 41 40 -1 3 24 40 p1 58 1104 1381 1.25091 1381 0 0.00000 42 41 -1 3 25 41 p1 58 1150 1439 1.25130 1439 0 0.00000 43 42 -1 3 26 42 p1 58 1196 1497 1.25167 1497 0 0.00000 44 43 -1 3 27 43 p1 58 1242 1555 1.25201 1555 0 0.00000 45 44 -1 3 28 44 p1 58 1288 1613 1.25233 1613 0 0.00000 46 45 -1 3 29 45 p1 58 1334 1671 1.25262 1671 0 0.00000 47 46 -1 3 30 46 p1 58 1380 1729 1.25290 1729 0 0.00000 48 47 -1 3 31 47 p1 58 1426 1787 1.25316 1787 0 0.00000 49 5 -1 4 1 -1 base ??? 316 ??? 0.6???? ??? 0 0.00000 (glob) 50 49 -1 4 2 49 p1 58 362 2?? 0.7???? 2?? 0 0.00000 (glob) 51 17 -1 4 3 50 prev 3?? 5?? 6?? 1.0???? 6?? 0 0.00000 (glob) 52 51 -1 4 4 51 p1 58 640 6?? 1.0???? 6?? 0 0.00000 (glob) 53 52 -1 5 1 -1 base 0 0 0 0.00000 0 0 0.00000 54 53 -1 6 1 -1 base 3?? 640 3?? 0.5???? 3?? 0 0.00000 (glob) $ hg clone --pull source-repo --config experimental.maxdeltachainspan=2800 relax-chain --config format.generaldelta=yes requesting all changes adding changesets adding manifests adding file changes added 55 changesets with 53 changes to 53 files (+2 heads) new changesets 61246295ee1e:c930ac4a5b32 updating to branch default 14 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg -R relax-chain debugdeltachain -m --all-info rev p1 p2 chain# chainlen prev delta size rawsize chainsize ratio lindist extradist extraratio 0 -1 -1 1 1 -1 base 46 45 46 1.02222 46 0 0.00000 1 0 -1 1 2 0 p1 57 90 103 1.14444 103 0 0.00000 2 1 -1 1 3 1 p1 57 135 160 1.18519 160 0 0.00000 3 2 -1 1 4 2 p1 57 180 217 1.20556 217 0 0.00000 4 3 -1 1 5 3 p1 57 225 274 1.21778 274 0 0.00000 5 4 -1 1 6 4 p1 57 270 331 1.22593 331 0 0.00000 6 -1 -1 2 1 -1 base 46 45 46 1.02222 46 0 0.00000 7 6 -1 2 2 6 p1 57 90 103 1.14444 103 0 0.00000 8 7 -1 2 3 7 p1 57 135 160 1.18519 160 0 0.00000 9 8 -1 2 4 8 p1 57 180 217 1.20556 217 0 0.00000 10 9 -1 2 5 9 p1 58 226 275 1.21681 275 0 0.00000 11 10 -1 2 6 10 p1 58 272 333 1.22426 333 0 0.00000 12 11 -1 2 7 11 p1 58 318 391 1.22956 391 0 0.00000 13 12 -1 2 8 12 p1 58 364 449 1.23352 449 0 0.00000 14 13 -1 2 9 13 p1 58 410 507 1.23659 507 0 0.00000 15 14 -1 2 10 14 p1 58 456 565 1.23904 565 0 0.00000 16 15 -1 2 11 15 p1 58 502 623 1.24104 623 0 0.00000 17 16 -1 2 12 16 p1 58 548 681 1.24270 681 0 0.00000 18 -1 -1 3 1 -1 base 47 46 47 1.02174 47 0 0.00000 19 18 -1 3 2 18 p1 58 92 105 1.14130 105 0 0.00000 20 19 -1 3 3 19 p1 58 138 163 1.18116 163 0 0.00000 21 20 -1 3 4 20 p1 58 184 221 1.20109 221 0 0.00000 22 21 -1 3 5 21 p1 58 230 279 1.21304 279 0 0.00000 23 22 -1 3 6 22 p1 58 276 337 1.22101 337 0 0.00000 24 23 -1 3 7 23 p1 58 322 395 1.22671 395 0 0.00000 25 24 -1 3 8 24 p1 58 368 453 1.23098 453 0 0.00000 26 25 -1 3 9 25 p1 58 414 511 1.23430 511 0 0.00000 27 26 -1 3 10 26 p1 58 460 569 1.23696 569 0 0.00000 28 27 -1 3 11 27 p1 58 506 627 1.23913 627 0 0.00000 29 28 -1 3 12 28 p1 58 552 685 1.24094 685 0 0.00000 30 29 -1 3 13 29 p1 58 598 743 1.24247 743 0 0.00000 31 30 -1 3 14 30 p1 58 644 801 1.24379 801 0 0.00000 32 31 -1 3 15 31 p1 58 690 859 1.24493 859 0 0.00000 33 32 -1 3 16 32 p1 58 736 917 1.24592 917 0 0.00000 34 33 -1 3 17 33 p1 58 782 975 1.24680 975 0 0.00000 35 34 -1 3 18 34 p1 58 828 1033 1.24758 1033 0 0.00000 36 35 -1 3 19 35 p1 58 874 1091 1.24828 1091 0 0.00000 37 36 -1 3 20 36 p1 58 920 1149 1.24891 1149 0 0.00000 38 37 -1 3 21 37 p1 58 966 1207 1.24948 1207 0 0.00000 39 38 -1 3 22 38 p1 58 1012 1265 1.25000 1265 0 0.00000 40 39 -1 3 23 39 p1 58 1058 1323 1.25047 1323 0 0.00000 41 40 -1 3 24 40 p1 58 1104 1381 1.25091 1381 0 0.00000 42 41 -1 3 25 41 p1 58 1150 1439 1.25130 1439 0 0.00000 43 42 -1 3 26 42 p1 58 1196 1497 1.25167 1497 0 0.00000 44 43 -1 3 27 43 p1 58 1242 1555 1.25201 1555 0 0.00000 45 44 -1 3 28 44 p1 58 1288 1613 1.25233 1613 0 0.00000 46 45 -1 3 29 45 p1 58 1334 1671 1.25262 1671 0 0.00000 47 46 -1 3 30 46 p1 58 1380 1729 1.25290 1729 0 0.00000 48 47 -1 3 31 47 p1 58 1426 1787 1.25316 1787 0 0.00000 49 5 -1 4 1 -1 base ??? 316 ??? 0.6???? ??? 0 0.00000 (glob) 50 49 -1 4 2 49 p1 58 362 2?? 0.7???? 2?? 0 0.00000 (glob) 51 17 -1 2 13 17 p1 58 594 739 1.24411 278? 20?? 2.7???? (glob) 52 51 -1 5 1 -1 base 3?? 640 3?? 0.5???? 3?? 0 0.00000 (glob) 53 52 -1 6 1 -1 base 0 0 0 0.00000 0 0 0.00000 54 53 -1 7 1 -1 base 3?? 640 3?? 0.5???? 3?? 0 0.00000 (glob) $ hg clone --pull source-repo --config experimental.maxdeltachainspan=0 noconst-chain --config format.usegeneraldelta=yes --config storage.revlog.reuse-external-delta-parent=no requesting all changes adding changesets adding manifests adding file changes added 55 changesets with 53 changes to 53 files (+2 heads) new changesets 61246295ee1e:c930ac4a5b32 updating to branch default 14 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg -R noconst-chain debugdeltachain -m --all-info rev p1 p2 chain# chainlen prev delta size rawsize chainsize ratio lindist extradist extraratio 0 -1 -1 1 1 -1 base 46 45 46 1.02222 46 0 0.00000 1 0 -1 1 2 0 p1 57 90 103 1.14444 103 0 0.00000 2 1 -1 1 3 1 p1 57 135 160 1.18519 160 0 0.00000 3 2 -1 1 4 2 p1 57 180 217 1.20556 217 0 0.00000 4 3 -1 1 5 3 p1 57 225 274 1.21778 274 0 0.00000 5 4 -1 1 6 4 p1 57 270 331 1.22593 331 0 0.00000 6 -1 -1 2 1 -1 base 46 45 46 1.02222 46 0 0.00000 7 6 -1 2 2 6 p1 57 90 103 1.14444 103 0 0.00000 8 7 -1 2 3 7 p1 57 135 160 1.18519 160 0 0.00000 9 8 -1 2 4 8 p1 57 180 217 1.20556 217 0 0.00000 10 9 -1 2 5 9 p1 58 226 275 1.21681 275 0 0.00000 11 10 -1 2 6 10 p1 58 272 333 1.22426 333 0 0.00000 12 11 -1 2 7 11 p1 58 318 391 1.22956 391 0 0.00000 13 12 -1 2 8 12 p1 58 364 449 1.23352 449 0 0.00000 14 13 -1 2 9 13 p1 58 410 507 1.23659 507 0 0.00000 15 14 -1 2 10 14 p1 58 456 565 1.23904 565 0 0.00000 16 15 -1 2 11 15 p1 58 502 623 1.24104 623 0 0.00000 17 16 -1 2 12 16 p1 58 548 681 1.24270 681 0 0.00000 18 -1 -1 3 1 -1 base 47 46 47 1.02174 47 0 0.00000 19 18 -1 3 2 18 p1 58 92 105 1.14130 105 0 0.00000 20 19 -1 3 3 19 p1 58 138 163 1.18116 163 0 0.00000 21 20 -1 3 4 20 p1 58 184 221 1.20109 221 0 0.00000 22 21 -1 3 5 21 p1 58 230 279 1.21304 279 0 0.00000 23 22 -1 3 6 22 p1 58 276 337 1.22101 337 0 0.00000 24 23 -1 3 7 23 p1 58 322 395 1.22671 395 0 0.00000 25 24 -1 3 8 24 p1 58 368 453 1.23098 453 0 0.00000 26 25 -1 3 9 25 p1 58 414 511 1.23430 511 0 0.00000 27 26 -1 3 10 26 p1 58 460 569 1.23696 569 0 0.00000 28 27 -1 3 11 27 p1 58 506 627 1.23913 627 0 0.00000 29 28 -1 3 12 28 p1 58 552 685 1.24094 685 0 0.00000 30 29 -1 3 13 29 p1 58 598 743 1.24247 743 0 0.00000 31 30 -1 3 14 30 p1 58 644 801 1.24379 801 0 0.00000 32 31 -1 3 15 31 p1 58 690 859 1.24493 859 0 0.00000 33 32 -1 3 16 32 p1 58 736 917 1.24592 917 0 0.00000 34 33 -1 3 17 33 p1 58 782 975 1.24680 975 0 0.00000 35 34 -1 3 18 34 p1 58 828 1033 1.24758 1033 0 0.00000 36 35 -1 3 19 35 p1 58 874 1091 1.24828 1091 0 0.00000 37 36 -1 3 20 36 p1 58 920 1149 1.24891 1149 0 0.00000 38 37 -1 3 21 37 p1 58 966 1207 1.24948 1207 0 0.00000 39 38 -1 3 22 38 p1 58 1012 1265 1.25000 1265 0 0.00000 40 39 -1 3 23 39 p1 58 1058 1323 1.25047 1323 0 0.00000 41 40 -1 3 24 40 p1 58 1104 1381 1.25091 1381 0 0.00000 42 41 -1 3 25 41 p1 58 1150 1439 1.25130 1439 0 0.00000 43 42 -1 3 26 42 p1 58 1196 1497 1.25167 1497 0 0.00000 44 43 -1 3 27 43 p1 58 1242 1555 1.25201 1555 0 0.00000 45 44 -1 3 28 44 p1 58 1288 1613 1.25233 1613 0 0.00000 46 45 -1 3 29 45 p1 58 1334 1671 1.25262 1671 0 0.00000 47 46 -1 3 30 46 p1 58 1380 1729 1.25290 1729 0 0.00000 48 47 -1 3 31 47 p1 58 1426 1787 1.25316 1787 0 0.00000 49 5 -1 1 7 5 p1 58 316 389 1.23101 2857 2468 6.34447 50 49 -1 1 8 49 p1 58 362 447 1.23481 2915 2468 5.52125 51 17 -1 2 13 17 p1 58 594 739 1.24411 2642 1903 2.57510 52 51 -1 2 14 51 p1 58 640 797 1.24531 2700 1903 2.38770 53 52 -1 4 1 -1 base 0 0 0 0.00000 0 0 0.00000 54 53 -1 5 1 -1 base 3?? 640 3?? 0.5???? 3?? 0 0.00000 (glob)