Mercurial > hg
view tests/test-narrow-widen.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 | f1186c292d03 |
children | c767e655ffda |
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#testcases flat tree $ . "$TESTDIR/narrow-library.sh" #if tree $ cat << EOF >> $HGRCPATH > [experimental] > treemanifest = 1 > EOF #endif $ hg init master $ cd master $ cat >> .hg/hgrc <<EOF > [narrow] > serveellipses=True > EOF $ mkdir inside $ echo 'inside' > inside/f $ hg add inside/f $ hg commit -m 'add inside' $ mkdir widest $ echo 'widest' > widest/f $ hg add widest/f $ hg commit -m 'add widest' $ mkdir outside $ echo 'outside' > outside/f $ hg add outside/f $ hg commit -m 'add outside' $ cd .. narrow clone the inside file $ hg clone --narrow ssh://user@dummy/master narrow --include inside requesting all changes adding changesets adding manifests adding file changes added 2 changesets with 1 changes to 1 files new changesets *:* (glob) updating to branch default 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ cd narrow $ hg tracked I path:inside $ ls inside $ cat inside/f inside $ cd .. add more upstream files which we will include in a wider narrow spec $ cd master $ mkdir wider $ echo 'wider' > wider/f $ hg add wider/f $ echo 'widest v2' > widest/f $ hg commit -m 'add wider, update widest' $ echo 'widest v3' > widest/f $ hg commit -m 'update widest v3' $ echo 'inside v2' > inside/f $ hg commit -m 'update inside' $ mkdir outside2 $ echo 'outside2' > outside2/f $ hg add outside2/f $ hg commit -m 'add outside2' $ echo 'widest v4' > widest/f $ hg commit -m 'update widest v4' $ hg log -T "{if(ellipsis, '...')}{rev}: {desc}\n" 7: update widest v4 6: add outside2 5: update inside 4: update widest v3 3: add wider, update widest 2: add outside 1: add widest 0: add inside $ cd .. Widen the narrow spec to see the widest file. This should not get the newly added upstream revisions. $ cd narrow $ hg tracked --addinclude widest/f comparing with ssh://user@dummy/master searching for changes no changes found saved backup bundle to $TESTTMP/narrow/.hg/strip-backup/*-widen.hg (glob) adding changesets adding manifests adding file changes added 3 changesets with 2 changes to 2 files new changesets *:* (glob) $ hg tracked I path:inside I path:widest/f $ cat widest/f widest Pull down the newly added upstream revision. $ hg pull pulling from ssh://user@dummy/master searching for changes adding changesets adding manifests adding file changes added 5 changesets with 4 changes to 2 files new changesets *:* (glob) (run 'hg update' to get a working copy) $ hg update -r 'desc("add wider")' 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ cat widest/f widest v2 $ hg update -r 'desc("update inside")' 2 files updated, 0 files merged, 0 files removed, 0 files unresolved $ cat widest/f widest v3 $ cat inside/f inside v2 $ hg log -T "{if(ellipsis, '...')}{rev}: {desc}\n" 7: update widest v4 ...6: add outside2 5: update inside 4: update widest v3 3: add wider, update widest ...2: add outside 1: add widest 0: add inside Check that widening with a newline fails $ hg tracked --addinclude 'widest > ' abort: newlines are not allowed in narrowspec paths [255] widen the narrow spec to include the wider file $ hg tracked --addinclude wider comparing with ssh://user@dummy/master searching for changes no changes found saved backup bundle to $TESTTMP/narrow/.hg/strip-backup/*-widen.hg (glob) adding changesets adding manifests adding file changes added 8 changesets with 7 changes to 3 files new changesets *:* (glob) $ hg tracked I path:inside I path:wider I path:widest/f $ hg update 'desc("add widest")' 2 files updated, 0 files merged, 1 files removed, 0 files unresolved $ cat widest/f widest $ hg update 'desc("add wider, update widest")' 2 files updated, 0 files merged, 0 files removed, 0 files unresolved $ cat wider/f wider $ cat widest/f widest v2 $ hg update 'desc("update widest v3")' 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ cat widest/f widest v3 $ hg update 'desc("update widest v4")' 2 files updated, 0 files merged, 0 files removed, 0 files unresolved $ cat widest/f widest v4 $ hg log -T "{if(ellipsis, '...')}{rev}: {desc}\n" 7: update widest v4 ...6: add outside2 5: update inside 4: update widest v3 3: add wider, update widest ...2: add outside 1: add widest 0: add inside separate suite of tests: files from 0-10 modified in changes 0-10. This allows more obvious precise tests tickling particular corner cases. $ cd .. $ hg init upstream $ cd upstream $ cat >> .hg/hgrc <<EOF > [narrow] > serveellipses=True > EOF $ for x in `$TESTDIR/seq.py 0 10` > do > mkdir d$x > echo $x > d$x/f > hg add d$x/f > hg commit -m "add d$x/f" > done $ hg log -T "{rev}: {desc}\n" 10: add d10/f 9: add d9/f 8: add d8/f 7: add d7/f 6: add d6/f 5: add d5/f 4: add d4/f 3: add d3/f 2: add d2/f 1: add d1/f 0: add d0/f make narrow clone with every third node. $ cd .. $ hg clone --narrow ssh://user@dummy/upstream narrow2 --include d0 --include d3 --include d6 --include d9 requesting all changes adding changesets adding manifests adding file changes added 8 changesets with 4 changes to 4 files new changesets *:* (glob) updating to branch default 4 files updated, 0 files merged, 0 files removed, 0 files unresolved $ cd narrow2 $ hg tracked I path:d0 I path:d3 I path:d6 I path:d9 $ hg verify checking changesets checking manifests checking directory manifests (tree !) crosschecking files in changesets and manifests checking files checked 8 changesets with 4 changes to 4 files $ hg log -T "{if(ellipsis, '...')}{rev}: {desc}\n" ...7: add d10/f 6: add d9/f ...5: add d8/f 4: add d6/f ...3: add d5/f 2: add d3/f ...1: add d2/f 0: add d0/f $ hg tracked --addinclude d1 comparing with ssh://user@dummy/upstream searching for changes no changes found saved backup bundle to $TESTTMP/narrow2/.hg/strip-backup/*-widen.hg (glob) adding changesets adding manifests adding file changes added 9 changesets with 5 changes to 5 files new changesets *:* (glob) $ hg tracked I path:d0 I path:d1 I path:d3 I path:d6 I path:d9 $ hg log -T "{if(ellipsis, '...')}{rev}: {desc}\n" ...8: add d10/f 7: add d9/f ...6: add d8/f 5: add d6/f ...4: add d5/f 3: add d3/f ...2: add d2/f 1: add d1/f 0: add d0/f Verify shouldn't claim the repo is corrupt after a widen. $ hg verify checking changesets checking manifests checking directory manifests (tree !) crosschecking files in changesets and manifests checking files checked 9 changesets with 5 changes to 5 files Widening preserves parent of local commit $ cd .. $ hg clone -q --narrow ssh://user@dummy/upstream narrow3 --include d2 -r 2 $ cd narrow3 $ hg log -T "{if(ellipsis, '...')}{rev}: {desc}\n" 1: add d2/f ...0: add d1/f $ hg pull -q -r 3 $ hg co -q tip $ hg pull -q -r 4 $ echo local > d2/f $ hg ci -m local created new head $ hg tracked -q --addinclude d0 --addinclude d9 Widening preserves bookmarks $ cd .. $ hg clone -q --narrow ssh://user@dummy/upstream narrow-bookmarks --include d4 $ cd narrow-bookmarks $ echo local > d4/f $ hg ci -m local $ hg bookmarks bookmark $ hg bookmarks * bookmark 3:* (glob) $ hg -q tracked --addinclude d2 $ hg bookmarks * bookmark 5:* (glob) $ hg log -r bookmark -T '{desc}\n' local Widening that fails can be recovered from $ cd .. $ hg clone -q --narrow ssh://user@dummy/upstream interrupted --include d0 $ cd interrupted $ echo local > d0/f $ hg ci -m local $ hg log -T "{if(ellipsis, '...')}{rev}: {desc}\n" 2: local ...1: add d10/f 0: add d0/f $ hg bookmarks bookmark $ hg --config hooks.pretxnchangegroup.bad=false tracked --addinclude d1 comparing with ssh://user@dummy/upstream searching for changes no changes found saved backup bundle to $TESTTMP/interrupted/.hg/strip-backup/*-widen.hg (glob) adding changesets adding manifests adding file changes added 3 changesets with 2 changes to 2 files transaction abort! rollback completed abort: pretxnchangegroup.bad hook exited with status 1 [255] $ hg log -T "{if(ellipsis, '...')}{rev}: {desc}\n" $ hg bookmarks no bookmarks set $ hg unbundle .hg/strip-backup/*-widen.hg adding changesets adding manifests adding file changes added 3 changesets with 2 changes to 1 files new changesets *:* (glob) (run 'hg update' to get a working copy) $ hg log -T "{if(ellipsis, '...')}{rev}: {desc}\n" 2: local ...1: add d10/f 0: add d0/f $ hg bookmarks * bookmark 2:* (glob)