Mercurial > hg
view tests/test-revset-legacy-lookup.t @ 42469:4a3abb33380a
deltas: set estimated compression upper bound to "3x" instead of "10x"
In pratice, we very rarely observer compression better than "3x" on manifest
deltas. Having a more aggressive estimate significantly helps our pathological
use case on a private repository. Here are a comparison of timings using
different upper bound.
Estimated compression | ø | ×10 | ×5 | ×3 |
timing | 14.11 | 2.61 | 1.96 | 1.53 |
We also tested the impact of this series on an array of public repositories.
This shown no impact in either size nor timing.
Full data set below for those interested.
Size
----
Regarding size, not significant impact have been noticed on neither public nor
private repositories. Here are the number we gathered on public repositories:
zlib/upperbound | no | 10x | 5x | 3x
mercurial | 5 875 730 | 5 875 730 | 5 875 730 | 5 875 730
pypy | 27 782 913 | 27 782 913 | 27 782 913 | 27 782 913
netbeans | 159 161 207 | 159 161 207 | 159 161 207 | 159 959 879 (+0.5%)
mozilla-central | 323 841 642 | 323 841 642 | 323 841 642 | 319 867 519 (-2.5%)
mozilla-try | 746 649 123 | 746 649 123 | 746 649 123 | 741 155 568 (-0.7%)
private-repo | 1 485 287 294 | 1 485 287 294 | 1 485 287 294 | 1 409 248 382 (-5.1%)
zstd/upperbound | no | 10x | 5x | 3x
mercurial | 5 895 206 | 5 895 206 | 5 895 206 | 5 895 206
pypy | 28 689 230 | 28 689 230 | 28 689 230 | 28 689 230
netbeans | 157 636 387 | 157 636 387 | 157 636 387 | 159 692 678 (+1.3%)
mozilla-central | 317 650 281 | 317 650 281 | 317 650 281 | 319 613 603 (+0.6%)
mozilla-try | 737 555 275 | 737 555 275 | 737 555 275 | 738 079 473 (+0.1%)
private-repo | 1 352 362 982 | 1 352 362 982 | 1 346 961 880 | 1 361 327 384 (+0.7%)
Speed
------
Timing gathered using `hg perfrevlogwrite -m`. Value are in seconds.
mercurial
zlib | no | 10x | 5x | 3x |
total | 65.551783 | 65.388887 | 65.260658 | 65.321199 |
max | 0.034544 | 0.034571 | 0.034659 | 0.034521 |
99.99% | 0.034544 | 0.034571 | 0.034659 | 0.034521 |
zstd | no | 10x | 5x | 3x |
total | 49.118449 | 49.054062 | 48.753588 | 48.740230 |
max | 0.009338 | 0.009239 | 0.009202 | 0.009178 |
99.99% | 0.007618 | 0.007639 | 0.007626 | 0.007621 |
pypy
zlib | no | 10x | 5x | 3x |
total | 560.865984 | 558.983817 | 559.083815 | 559.349152 |
max | 0.219614 | 0.215922 | 0.218112 | 0.218107 |
99.99% | 0.219614 | 0.215922 | 0.218112 | 0.218107 |
zstd | no | 10x | 5x | 3x |
total | 349.393280 | 347.395819 | 347.185407 | 345.643985 |
max | 0.084143 | 0.083536 | 0.081834 | 0.082178 |
99.99% | 0.039445 | 0.039639 | 0.039612 | 0.039175 |
netbeans
zlib | no | 10x | 5x | 3x |
total | 33103.327727 | 33314.932260 | 33211.745233 | 33345.891778 |
max | 2.666852 | 2.672059 | 2.662453 | 2.662936 |
99.99% | 2.058772 | 2.070429 | 2.069569 | 2.064653 |
zstd | no | 10x | 5x | 3x |
total | 20112.102708 | 20095.879719 | 20083.390300 | 20123.221859 |
max | 2.063482 | 2.062851 | 2.065229 | 2.060147 |
99.99% | 1.146647 | 1.143794 | 1.142933 | 1.146529 |
mozilla
zlib | no | 10x | 5x | 3x |
total | 41374.102138 | 41418.816773 | 41381.956370 | 41334.280732 |
max | 3.383474 | 3.387400 | 3.405711 | 3.387316 |
99.99% | 1.006755 | 1.005954 | 1.007700 | 1.007373 |
zstd | no | 10x | 5x | 3x |
total | 24689.691520 | 24643.939662 | 24664.630027 | 24664.512714 |
max | 1.460822 | 1.449640 | 1.439747 | 1.465304 |
99.99% | 0.527111 | 0.527377 | 0.527807 | 0.527226 |
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
---|---|
date | Fri, 26 Apr 2019 00:48:12 +0200 |
parents | 29eb4cafeeb8 |
children | ed84a4d48910 |
line wrap: on
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$ cat >> $HGRCPATH << EOF > [ui] > logtemplate="{rev}:{node|short} {desc} [{tags}]\n" > EOF $ hg init legacy-lookup $ cd legacy-lookup $ echo a > a $ hg add a $ hg commit -m 'first' $ echo aa > a $ hg commit -m 'second' $ hg log -G @ 1:43114e71eddd second [tip] | o 0:a87874c6ec31 first [] Create a tag that looks like a revset $ hg tag 'rev(0)' $ hg log -G @ 2:fb616635b18f Added tag rev(0) for changeset 43114e71eddd [tip] | o 1:43114e71eddd second [rev(0)] | o 0:a87874c6ec31 first [] See how various things are resolved ----------------------------------- Revision numbers $ hg log -r '0' 0:a87874c6ec31 first [] $ hg log -r '1' 1:43114e71eddd second [rev(0)] "rev(x)" form (the one conflicting with the tags) (resolved as a label) $ hg log -r 'rev(0)' 1:43114e71eddd second [rev(0)] $ hg log -r 'rev(1)' 1:43114e71eddd second [rev(0)] same within a simple revspec (still resolved as the label) $ hg log -r ':rev(0)' 0:a87874c6ec31 first [] 1:43114e71eddd second [rev(0)] $ hg log -r 'rev(0):' 1:43114e71eddd second [rev(0)] 2:fb616635b18f Added tag rev(0) for changeset 43114e71eddd [tip] within a more advances revset (still resolved as the label) $ hg log -r 'rev(0) and branch(default)' 0:a87874c6ec31 first [] with explicit revset resolution (still resolved as the label) $ hg log -r 'revset(rev(0))' 0:a87874c6ec31 first [] some of the above with quote to force its resolution as a label $ hg log -r ':"rev(0)"' 0:a87874c6ec31 first [] 1:43114e71eddd second [rev(0)] $ hg log -r '"rev(0)":' 1:43114e71eddd second [rev(0)] 2:fb616635b18f Added tag rev(0) for changeset 43114e71eddd [tip] $ hg log -r '"rev(0)" and branch(default)' 1:43114e71eddd second [rev(0)] confusing bits within parents $ hg log -r '(rev(0))' 0:a87874c6ec31 first [] $ hg log -r '( rev(0))' 0:a87874c6ec31 first [] $ hg log -r '("rev(0)")' 1:43114e71eddd second [rev(0)] Test label with quote in them. $ hg tag '"foo"' $ hg log -r '"foo"' 2:fb616635b18f Added tag rev(0) for changeset 43114e71eddd ["foo"] $ hg log -r '("foo")' abort: unknown revision 'foo'! [255] $ hg log -r 'revset("foo")' abort: unknown revision 'foo'! [255] $ hg log -r '("\"foo\"")' 2:fb616635b18f Added tag rev(0) for changeset 43114e71eddd ["foo"] $ hg log -r 'revset("\"foo\"")' 2:fb616635b18f Added tag rev(0) for changeset 43114e71eddd ["foo"] Test label with dash in them. $ hg tag 'foo-bar' $ hg log -r 'foo-bar' 3:a50aae922707 Added tag "foo" for changeset fb616635b18f [foo-bar] $ hg log -r '(foo-bar)' 3:a50aae922707 Added tag "foo" for changeset fb616635b18f [foo-bar] $ hg log -r '"foo-bar"' 3:a50aae922707 Added tag "foo" for changeset fb616635b18f [foo-bar] $ hg log -r '("foo-bar")' 3:a50aae922707 Added tag "foo" for changeset fb616635b18f [foo-bar] Test label with + in them. $ hg tag 'foo+bar' $ hg log -r 'foo+bar' 4:bbf52b87b370 Added tag foo-bar for changeset a50aae922707 [foo+bar] $ hg log -r '(foo+bar)' abort: unknown revision 'foo'! [255] $ hg log -r 'revset(foo+bar)' abort: unknown revision 'foo'! [255] $ hg log -r '"foo+bar"' 4:bbf52b87b370 Added tag foo-bar for changeset a50aae922707 [foo+bar] $ hg log -r '("foo+bar")' 4:bbf52b87b370 Added tag foo-bar for changeset a50aae922707 [foo+bar] Test tag with numeric version number. $ hg tag '1.2' $ hg log -r '1.2' 5:ff42fde8edbb Added tag foo+bar for changeset bbf52b87b370 [1.2] $ hg log -r '(1.2)' 5:ff42fde8edbb Added tag foo+bar for changeset bbf52b87b370 [1.2] $ hg log -r 'revset(1.2)' 5:ff42fde8edbb Added tag foo+bar for changeset bbf52b87b370 [1.2] $ hg log -r '"1.2"' 5:ff42fde8edbb Added tag foo+bar for changeset bbf52b87b370 [1.2] $ hg log -r '("1.2")' 5:ff42fde8edbb Added tag foo+bar for changeset bbf52b87b370 [1.2] $ hg log -r '::"1.2"' 0:a87874c6ec31 first [] 1:43114e71eddd second [rev(0)] 2:fb616635b18f Added tag rev(0) for changeset 43114e71eddd ["foo"] 3:a50aae922707 Added tag "foo" for changeset fb616635b18f [foo-bar] 4:bbf52b87b370 Added tag foo-bar for changeset a50aae922707 [foo+bar] 5:ff42fde8edbb Added tag foo+bar for changeset bbf52b87b370 [1.2] $ hg log -r '::1.2' 0:a87874c6ec31 first [] 1:43114e71eddd second [rev(0)] 2:fb616635b18f Added tag rev(0) for changeset 43114e71eddd ["foo"] 3:a50aae922707 Added tag "foo" for changeset fb616635b18f [foo-bar] 4:bbf52b87b370 Added tag foo-bar for changeset a50aae922707 [foo+bar] 5:ff42fde8edbb Added tag foo+bar for changeset bbf52b87b370 [1.2] Test tag with parenthesis (but not a valid revset) $ hg tag 'release_4.1(candidate1)' $ hg log -r 'release_4.1(candidate1)' 6:db72e24fe069 Added tag 1.2 for changeset ff42fde8edbb [release_4.1(candidate1)] $ hg log -r '(release_4.1(candidate1))' hg: parse error: unknown identifier: release_4.1 [255] $ hg log -r 'revset(release_4.1(candidate1))' hg: parse error: unknown identifier: release_4.1 [255] $ hg log -r '"release_4.1(candidate1)"' 6:db72e24fe069 Added tag 1.2 for changeset ff42fde8edbb [release_4.1(candidate1)] $ hg log -r '("release_4.1(candidate1)")' 6:db72e24fe069 Added tag 1.2 for changeset ff42fde8edbb [release_4.1(candidate1)] $ hg log -r '::"release_4.1(candidate1)"' 0:a87874c6ec31 first [] 1:43114e71eddd second [rev(0)] 2:fb616635b18f Added tag rev(0) for changeset 43114e71eddd ["foo"] 3:a50aae922707 Added tag "foo" for changeset fb616635b18f [foo-bar] 4:bbf52b87b370 Added tag foo-bar for changeset a50aae922707 [foo+bar] 5:ff42fde8edbb Added tag foo+bar for changeset bbf52b87b370 [1.2] 6:db72e24fe069 Added tag 1.2 for changeset ff42fde8edbb [release_4.1(candidate1)] $ hg log -r '::release_4.1(candidate1)' hg: parse error: unknown identifier: release_4.1 [255] Test tag with parenthesis and other function like char $ hg tag 'release_4.1(arch=x86,arm)' $ hg log -r 'release_4.1(arch=x86,arm)' 7:b29b25d7d687 Added tag release_4.1(candidate1) for changeset db72e24fe069 [release_4.1(arch=x86,arm)] $ hg log -r '(release_4.1(arch=x86,arm))' hg: parse error: unknown identifier: release_4.1 [255] $ hg log -r 'revset(release_4.1(arch=x86,arm))' hg: parse error: unknown identifier: release_4.1 [255] $ hg log -r '"release_4.1(arch=x86,arm)"' 7:b29b25d7d687 Added tag release_4.1(candidate1) for changeset db72e24fe069 [release_4.1(arch=x86,arm)] $ hg log -r '("release_4.1(arch=x86,arm)")' 7:b29b25d7d687 Added tag release_4.1(candidate1) for changeset db72e24fe069 [release_4.1(arch=x86,arm)] $ hg log -r '::"release_4.1(arch=x86,arm)"' 0:a87874c6ec31 first [] 1:43114e71eddd second [rev(0)] 2:fb616635b18f Added tag rev(0) for changeset 43114e71eddd ["foo"] 3:a50aae922707 Added tag "foo" for changeset fb616635b18f [foo-bar] 4:bbf52b87b370 Added tag foo-bar for changeset a50aae922707 [foo+bar] 5:ff42fde8edbb Added tag foo+bar for changeset bbf52b87b370 [1.2] 6:db72e24fe069 Added tag 1.2 for changeset ff42fde8edbb [release_4.1(candidate1)] 7:b29b25d7d687 Added tag release_4.1(candidate1) for changeset db72e24fe069 [release_4.1(arch=x86,arm)] $ hg log -r '::release_4.1(arch=x86,arm)' hg: parse error: unknown identifier: release_4.1 [255] Test tag conflicting with revset function $ hg tag 'secret(team=foo,project=bar)' $ hg log -r 'secret(team=foo,project=bar)' 8:6b2e2d4ea455 Added tag release_4.1(arch=x86,arm) for changeset b29b25d7d687 [secret(team=foo,project=bar)] $ hg log -r '(secret(team=foo,project=bar))' hg: parse error: secret takes no arguments [255] $ hg log -r 'revset(secret(team=foo,project=bar))' hg: parse error: secret takes no arguments [255] $ hg log -r '"secret(team=foo,project=bar)"' 8:6b2e2d4ea455 Added tag release_4.1(arch=x86,arm) for changeset b29b25d7d687 [secret(team=foo,project=bar)] $ hg log -r '("secret(team=foo,project=bar)")' 8:6b2e2d4ea455 Added tag release_4.1(arch=x86,arm) for changeset b29b25d7d687 [secret(team=foo,project=bar)] $ hg log -r '::"secret(team=foo,project=bar)"' 0:a87874c6ec31 first [] 1:43114e71eddd second [rev(0)] 2:fb616635b18f Added tag rev(0) for changeset 43114e71eddd ["foo"] 3:a50aae922707 Added tag "foo" for changeset fb616635b18f [foo-bar] 4:bbf52b87b370 Added tag foo-bar for changeset a50aae922707 [foo+bar] 5:ff42fde8edbb Added tag foo+bar for changeset bbf52b87b370 [1.2] 6:db72e24fe069 Added tag 1.2 for changeset ff42fde8edbb [release_4.1(candidate1)] 7:b29b25d7d687 Added tag release_4.1(candidate1) for changeset db72e24fe069 [release_4.1(arch=x86,arm)] 8:6b2e2d4ea455 Added tag release_4.1(arch=x86,arm) for changeset b29b25d7d687 [secret(team=foo,project=bar)] $ hg log -r '::secret(team=foo,project=bar)' hg: parse error: secret takes no arguments [255] Test tag with space $ hg tag 'my little version' $ hg log -r 'my little version' 9:269192bf8fc3 Added tag secret(team=foo,project=bar) for changeset 6b2e2d4ea455 [my little version] $ hg log -r '(my little version)' hg: parse error at 4: unexpected token: symbol ((my little version) ^ here) [255] $ hg log -r 'revset(my little version)' hg: parse error at 10: unexpected token: symbol (revset(my little version) ^ here) [255] $ hg log -r '"my little version"' 9:269192bf8fc3 Added tag secret(team=foo,project=bar) for changeset 6b2e2d4ea455 [my little version] $ hg log -r '("my little version")' 9:269192bf8fc3 Added tag secret(team=foo,project=bar) for changeset 6b2e2d4ea455 [my little version] $ hg log -r '::"my little version"' 0:a87874c6ec31 first [] 1:43114e71eddd second [rev(0)] 2:fb616635b18f Added tag rev(0) for changeset 43114e71eddd ["foo"] 3:a50aae922707 Added tag "foo" for changeset fb616635b18f [foo-bar] 4:bbf52b87b370 Added tag foo-bar for changeset a50aae922707 [foo+bar] 5:ff42fde8edbb Added tag foo+bar for changeset bbf52b87b370 [1.2] 6:db72e24fe069 Added tag 1.2 for changeset ff42fde8edbb [release_4.1(candidate1)] 7:b29b25d7d687 Added tag release_4.1(candidate1) for changeset db72e24fe069 [release_4.1(arch=x86,arm)] 8:6b2e2d4ea455 Added tag release_4.1(arch=x86,arm) for changeset b29b25d7d687 [secret(team=foo,project=bar)] 9:269192bf8fc3 Added tag secret(team=foo,project=bar) for changeset 6b2e2d4ea455 [my little version] $ hg log -r '::my little version' hg: parse error at 5: invalid token (::my little version ^ here) [255]