Mercurial > hg
annotate tests/test-sparse-revlog.t @ 41722:37b33c34bf4f
templatekw: add a {negrev} keyword
Revision numbers are getting much maligned for two reasons: they are
too long in large repos and users get confused by their local-only
nature. It just occurred to me that negative revision numbers avoid
both of those problems. Since negative revision numbers change
whenever the repo changes, it's much more obvious that they are a
local-only convenience. Additionally, for the recent commits that we
usually care about the most, negative revision numbers are always near
zero.
This commit adds a negrev templatekw to more easily expose negative
revision numbers. It's not easy to reliably produce this output with
existing keywords due to hidden commits while at the same time
ensuring good performance.
author | Jordi Gutiérrez Hermoso <jordigh@octave.org> |
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date | Fri, 15 Feb 2019 14:43:31 -0500 |
parents | b66ea3fc3a86 |
children | 2e92624c3613 |
rev | line source |
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1 ==================================== |
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2 Test delta choice with sparse revlog |
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3 ==================================== |
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4 |
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5 Sparse-revlog usually shows the most gain on Manifest. However, it is simpler |
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6 to general an appropriate file, so we test with a single file instead. The |
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7 goal is to observe intermediate snapshot being created. |
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8 |
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9 We need a large enough file. Part of the content needs to be replaced |
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10 repeatedly while some of it changes rarely. |
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11 |
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12 $ bundlepath="$TESTDIR/artifacts/cache/big-file-churn.hg" |
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13 |
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14 $ expectedhash=`cat "$bundlepath".md5` |
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15 $ if [ ! -f "$bundlepath" ]; then |
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16 > echo 'skipped: missing artifact, run "'"$TESTDIR"'/artifacts/scripts/generate-churning-bundle.py"' |
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17 > exit 80 |
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18 > fi |
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19 $ currenthash=`f -M "$bundlepath" | cut -d = -f 2` |
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20 $ if [ "$currenthash" != "$expectedhash" ]; then |
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21 > echo 'skipped: outdated artifact, md5 "'"$currenthash"'" expected "'"$expectedhash"'" run "'"$TESTDIR"'/artifacts/scripts/generate-churning-bundle.py"' |
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22 > exit 80 |
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23 > fi |
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24 |
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25 $ cat >> $HGRCPATH << EOF |
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26 > [format] |
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27 > sparse-revlog = yes |
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28 > maxchainlen = 15 |
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29 > [storage] |
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30 > revlog.optimize-delta-parent-choice = yes |
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31 > EOF |
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32 $ hg init sparse-repo |
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33 $ cd sparse-repo |
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34 $ hg unbundle $bundlepath |
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35 adding changesets |
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36 adding manifests |
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37 adding file changes |
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38 added 5001 changesets with 5001 changes to 1 files (+89 heads) |
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39 new changesets 9706f5af64f4:d9032adc8114 (5001 drafts) |
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40 (run 'hg heads' to see heads, 'hg merge' to merge) |
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41 $ hg up |
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42 1 files updated, 0 files merged, 0 files removed, 0 files unresolved |
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43 updated to "d9032adc8114: commit #5000" |
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44 89 other heads for branch "default" |
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45 |
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46 $ hg log --stat -r 0:3 |
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47 changeset: 0:9706f5af64f4 |
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48 user: test |
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49 date: Thu Jan 01 00:00:00 1970 +0000 |
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50 summary: initial commit |
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51 |
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52 SPARSE-REVLOG-TEST-FILE | 10500 ++++++++++++++++++++++++++++++++++++++++++++++ |
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53 1 files changed, 10500 insertions(+), 0 deletions(-) |
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54 |
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55 changeset: 1:724907deaa5e |
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56 user: test |
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57 date: Thu Jan 01 00:00:00 1970 +0000 |
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58 summary: commit #1 |
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59 |
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60 SPARSE-REVLOG-TEST-FILE | 1068 +++++++++++++++++++++++----------------------- |
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61 1 files changed, 534 insertions(+), 534 deletions(-) |
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62 |
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63 changeset: 2:62c41bce3e5d |
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64 user: test |
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65 date: Thu Jan 01 00:00:00 1970 +0000 |
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66 summary: commit #2 |
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67 |
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68 SPARSE-REVLOG-TEST-FILE | 1068 +++++++++++++++++++++++----------------------- |
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69 1 files changed, 534 insertions(+), 534 deletions(-) |
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70 |
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71 changeset: 3:348a9cbd6959 |
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72 user: test |
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73 date: Thu Jan 01 00:00:00 1970 +0000 |
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74 summary: commit #3 |
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75 |
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76 SPARSE-REVLOG-TEST-FILE | 1068 +++++++++++++++++++++++----------------------- |
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77 1 files changed, 534 insertions(+), 534 deletions(-) |
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78 |
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79 |
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80 $ f -s .hg/store/data/*.d |
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81 .hg/store/data/_s_p_a_r_s_e-_r_e_v_l_o_g-_t_e_s_t-_f_i_l_e.d: size=63002924 |
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82 $ hg debugrevlog * |
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83 format : 1 |
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84 flags : generaldelta |
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85 |
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86 revisions : 5001 |
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87 merges : 625 (12.50%) |
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88 normal : 4376 (87.50%) |
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89 revisions : 5001 |
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90 empty : 0 ( 0.00%) |
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91 text : 0 (100.00%) |
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92 delta : 0 (100.00%) |
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93 snapshot : 374 ( 7.48%) |
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94 lvl-0 : 4 ( 0.08%) |
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95 lvl-1 : 23 ( 0.46%) |
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96 lvl-2 : 63 ( 1.26%) |
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97 lvl-3 : 118 ( 2.36%) |
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98 lvl-4 : 166 ( 3.32%) |
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99 deltas : 4627 (92.52%) |
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100 revision size : 63002924 |
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101 snapshot : 9888099 (15.69%) |
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102 lvl-0 : 804262 ( 1.28%) |
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Boris Feld <boris.feld@octobus.net>
parents:
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diff
changeset
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103 lvl-1 : 1561380 ( 2.48%) |
b66ea3fc3a86
sparse-revlog: set max delta chain length to on thousand
Boris Feld <boris.feld@octobus.net>
parents:
39505
diff
changeset
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104 lvl-2 : 2096696 ( 3.33%) |
b66ea3fc3a86
sparse-revlog: set max delta chain length to on thousand
Boris Feld <boris.feld@octobus.net>
parents:
39505
diff
changeset
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105 lvl-3 : 2749539 ( 4.36%) |
b66ea3fc3a86
sparse-revlog: set max delta chain length to on thousand
Boris Feld <boris.feld@octobus.net>
parents:
39505
diff
changeset
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106 lvl-4 : 2676222 ( 4.25%) |
b66ea3fc3a86
sparse-revlog: set max delta chain length to on thousand
Boris Feld <boris.feld@octobus.net>
parents:
39505
diff
changeset
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107 deltas : 53114825 (84.31%) |
39491
4ca7a67c94c8
sparse-revlog: add a test checking revlog deltas for a churning file
Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
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108 |
4ca7a67c94c8
sparse-revlog: add a test checking revlog deltas for a churning file
Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
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109 chunks : 5001 |
4ca7a67c94c8
sparse-revlog: add a test checking revlog deltas for a churning file
Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
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110 0x78 (x) : 5001 (100.00%) |
39506
b66ea3fc3a86
sparse-revlog: set max delta chain length to on thousand
Boris Feld <boris.feld@octobus.net>
parents:
39505
diff
changeset
|
111 chunks size : 63002924 |
b66ea3fc3a86
sparse-revlog: set max delta chain length to on thousand
Boris Feld <boris.feld@octobus.net>
parents:
39505
diff
changeset
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112 0x78 (x) : 63002924 (100.00%) |
39491
4ca7a67c94c8
sparse-revlog: add a test checking revlog deltas for a churning file
Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
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113 |
39506
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sparse-revlog: set max delta chain length to on thousand
Boris Feld <boris.feld@octobus.net>
parents:
39505
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changeset
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114 avg chain length : 9 |
b66ea3fc3a86
sparse-revlog: set max delta chain length to on thousand
Boris Feld <boris.feld@octobus.net>
parents:
39505
diff
changeset
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115 max chain length : 15 |
b66ea3fc3a86
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Boris Feld <boris.feld@octobus.net>
parents:
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diff
changeset
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116 max chain reach : 28907121 |
b66ea3fc3a86
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Boris Feld <boris.feld@octobus.net>
parents:
39505
diff
changeset
|
117 compression ratio : 27 |
39491
4ca7a67c94c8
sparse-revlog: add a test checking revlog deltas for a churning file
Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
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118 |
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sparse-revlog: add a test checking revlog deltas for a churning file
Boris Feld <boris.feld@octobus.net>
parents:
diff
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119 uncompressed data size (min/max/avg) : 346468 / 346472 / 346471 |
39506
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sparse-revlog: set max delta chain length to on thousand
Boris Feld <boris.feld@octobus.net>
parents:
39505
diff
changeset
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120 full revision size (min/max/avg) : 201008 / 201141 / 201065 |
b66ea3fc3a86
sparse-revlog: set max delta chain length to on thousand
Boris Feld <boris.feld@octobus.net>
parents:
39505
diff
changeset
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121 inter-snapshot size (min/max/avg) : 11601 / 157413 / 24550 |
b66ea3fc3a86
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Boris Feld <boris.feld@octobus.net>
parents:
39505
diff
changeset
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122 level-1 (min/max/avg) : 13061 / 157413 / 67886 |
b66ea3fc3a86
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Boris Feld <boris.feld@octobus.net>
parents:
39505
diff
changeset
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123 level-2 (min/max/avg) : 11674 / 85631 / 33280 |
b66ea3fc3a86
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Boris Feld <boris.feld@octobus.net>
parents:
39505
diff
changeset
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124 level-3 (min/max/avg) : 11602 / 42957 / 23301 |
b66ea3fc3a86
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Boris Feld <boris.feld@octobus.net>
parents:
39505
diff
changeset
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125 level-4 (min/max/avg) : 11601 / 21475 / 16121 |
b66ea3fc3a86
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Boris Feld <boris.feld@octobus.net>
parents:
39505
diff
changeset
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126 delta size (min/max/avg) : 10649 / 105465 / 11479 |
39491
4ca7a67c94c8
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Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
127 |
39506
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Boris Feld <boris.feld@octobus.net>
parents:
39505
diff
changeset
|
128 deltas against prev : 3966 (85.71%) |
b66ea3fc3a86
sparse-revlog: set max delta chain length to on thousand
Boris Feld <boris.feld@octobus.net>
parents:
39505
diff
changeset
|
129 where prev = p1 : 3922 (98.89%) |
39491
4ca7a67c94c8
sparse-revlog: add a test checking revlog deltas for a churning file
Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
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130 where prev = p2 : 0 ( 0.00%) |
39506
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sparse-revlog: set max delta chain length to on thousand
Boris Feld <boris.feld@octobus.net>
parents:
39505
diff
changeset
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131 other : 44 ( 1.11%) |
b66ea3fc3a86
sparse-revlog: set max delta chain length to on thousand
Boris Feld <boris.feld@octobus.net>
parents:
39505
diff
changeset
|
132 deltas against p1 : 611 (13.21%) |
b66ea3fc3a86
sparse-revlog: set max delta chain length to on thousand
Boris Feld <boris.feld@octobus.net>
parents:
39505
diff
changeset
|
133 deltas against p2 : 50 ( 1.08%) |
39491
4ca7a67c94c8
sparse-revlog: add a test checking revlog deltas for a churning file
Boris Feld <boris.feld@octobus.net>
parents:
diff
changeset
|
134 deltas against other : 0 ( 0.00%) |