annotate tests/test-sparse-revlog.t @ 49531:4e70efd5fd0e stable

relnotes: add 6.3
author Raphaël Gomès <rgomes@octobus.net>
date Mon, 24 Oct 2022 18:07:22 +0200
parents fa8d974284f8
children 266bb5c86f4b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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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16 #if slow
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18 $ if [ ! -f "$bundlepath" ]; then
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19 > "$TESTDIR"/artifacts/scripts/generate-churning-bundle.py > /dev/null
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20 > fi
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21
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22 #else
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23
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24 $ if [ ! -f "$bundlepath" ]; then
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25 > echo 'skipped: missing artifact, run "'"$TESTDIR"'/artifacts/scripts/generate-churning-bundle.py"'
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26 > exit 80
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27 > fi
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29 #endif
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30
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31 $ currenthash=`f -M "$bundlepath" | cut -d = -f 2`
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32 $ if [ "$currenthash" != "$expectedhash" ]; then
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33 > echo 'skipped: outdated artifact, md5 "'"$currenthash"'" expected "'"$expectedhash"'" run "'"$TESTDIR"'/artifacts/scripts/generate-churning-bundle.py"'
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34 > exit 80
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35 > fi
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36
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37 $ cat >> $HGRCPATH << EOF
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38 > [format]
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39 > sparse-revlog = yes
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40 > maxchainlen = 15
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41 > [storage]
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42 > revlog.optimize-delta-parent-choice = yes
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43 > revlog.reuse-external-delta = no
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44 > EOF
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45 $ hg init sparse-repo
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46 $ cd sparse-repo
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47 $ hg unbundle $bundlepath
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48 adding changesets
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49 adding manifests
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50 adding file changes
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51 added 5001 changesets with 5001 changes to 1 files (+89 heads)
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52 new changesets 9706f5af64f4:d9032adc8114 (5001 drafts)
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53 (run 'hg heads' to see heads, 'hg merge' to merge)
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54 $ hg up
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55 1 files updated, 0 files merged, 0 files removed, 0 files unresolved
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56 updated to "d9032adc8114: commit #5000"
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57 89 other heads for branch "default"
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58
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59 $ hg log --stat -r 0:3
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60 changeset: 0:9706f5af64f4
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61 user: test
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62 date: Thu Jan 01 00:00:00 1970 +0000
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63 summary: initial commit
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64
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65 SPARSE-REVLOG-TEST-FILE | 10500 ++++++++++++++++++++++++++++++++++++++++++++++
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66 1 files changed, 10500 insertions(+), 0 deletions(-)
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67
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68 changeset: 1:724907deaa5e
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69 user: test
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70 date: Thu Jan 01 00:00:00 1970 +0000
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71 summary: commit #1
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72
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73 SPARSE-REVLOG-TEST-FILE | 1068 +++++++++++++++++++++++-----------------------
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74 1 files changed, 534 insertions(+), 534 deletions(-)
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75
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76 changeset: 2:62c41bce3e5d
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77 user: test
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78 date: Thu Jan 01 00:00:00 1970 +0000
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79 summary: commit #2
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80
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81 SPARSE-REVLOG-TEST-FILE | 1068 +++++++++++++++++++++++-----------------------
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82 1 files changed, 534 insertions(+), 534 deletions(-)
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83
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84 changeset: 3:348a9cbd6959
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85 user: test
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86 date: Thu Jan 01 00:00:00 1970 +0000
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87 summary: commit #3
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88
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89 SPARSE-REVLOG-TEST-FILE | 1068 +++++++++++++++++++++++-----------------------
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90 1 files changed, 534 insertions(+), 534 deletions(-)
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91
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92
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93 $ f -s .hg/store/data/*.d
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94 .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=58616973
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95 $ hg debugrevlog *
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96 format : 1
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97 flags : generaldelta
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98
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99 revisions : 5001
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100 merges : 625 (12.50%)
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101 normal : 4376 (87.50%)
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102 revisions : 5001
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103 empty : 0 ( 0.00%)
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104 text : 0 (100.00%)
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105 delta : 0 (100.00%)
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106 snapshot : 383 ( 7.66%)
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107 lvl-0 : 3 ( 0.06%)
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108 lvl-1 : 18 ( 0.36%)
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109 lvl-2 : 62 ( 1.24%)
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110 lvl-3 : 108 ( 2.16%)
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111 lvl-4 : 191 ( 3.82%)
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112 lvl-5 : 1 ( 0.02%)
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113 deltas : 4618 (92.34%)
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114 revision size : 58616973
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115 snapshot : 9247844 (15.78%)
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116 lvl-0 : 539532 ( 0.92%)
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parents: 41819
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117 lvl-1 : 1467743 ( 2.50%)
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parents: 41819
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118 lvl-2 : 1873820 ( 3.20%)
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parents: 41819
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119 lvl-3 : 2326874 ( 3.97%)
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parents: 41819
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120 lvl-4 : 3029118 ( 5.17%)
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parents: 41819
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121 lvl-5 : 10757 ( 0.02%)
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parents: 41819
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122 deltas : 49369129 (84.22%)
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parents:
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123
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parents:
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124 chunks : 5001
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parents: 41819
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125 0x28 : 5001 (100.00%)
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parents: 41819
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126 chunks size : 58616973
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parents: 41819
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127 0x28 : 58616973 (100.00%)
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128
39506
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129 avg chain length : 9
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130 max chain length : 15
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131 max chain reach : 27366701
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parents: 41819
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132 compression ratio : 29
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133
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134 uncompressed data size (min/max/avg) : 346468 / 346472 / 346471
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parents: 41819
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135 full revision size (min/max/avg) : 179288 / 180786 / 179844
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parents: 41819
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136 inter-snapshot size (min/max/avg) : 10757 / 169507 / 22916
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parents: 41819
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137 level-1 (min/max/avg) : 13905 / 169507 / 81541
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parents: 41819
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138 level-2 (min/max/avg) : 10887 / 83873 / 30222
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parents: 41819
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139 level-3 (min/max/avg) : 10911 / 43047 / 21545
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parents: 41819
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140 level-4 (min/max/avg) : 10838 / 21390 / 15859
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parents: 41819
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141 level-5 (min/max/avg) : 10757 / 10757 / 10757
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parents: 41819
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142 delta size (min/max/avg) : 9672 / 108072 / 10690
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143
49225
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parents: 41819
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144 deltas against prev : 3906 (84.58%)
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parents: 41819
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145 where prev = p1 : 3906 (100.00%)
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146 where prev = p2 : 0 ( 0.00%)
41793
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parents: 39506
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147 other : 0 ( 0.00%)
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parents: 41819
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148 deltas against p1 : 649 (14.05%)
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parents: 41819
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149 deltas against p2 : 63 ( 1.36%)
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c59987ab96b4 test: don't trust delta bases from the bundle in test-sparse-revlog.t
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parents: 41793
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150 deltas against other : 0 ( 0.00%)
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parents: 41819
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151
49228
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parents: 49225
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152
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parents: 49225
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153 Test `debug-delta-find`
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154 -----------------------
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parents: 49225
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155
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parents: 49225
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156 $ ls -1
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parents: 49225
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157 SPARSE-REVLOG-TEST-FILE
49353
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parents: 49228
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158 $ hg debugdeltachain SPARSE-REVLOG-TEST-FILE | grep snap | tail -1
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parents: 49228
diff changeset
159 4971 4970 -1 3 5 4930 snap 19179 346472 427596 1.23414 15994877 15567281 36.40652 427596 179288 1.00000 5
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parents: 49225
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160 $ hg debug-delta-find SPARSE-REVLOG-TEST-FILE 4971
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parents: 49225
diff changeset
161 DBG-DELTAS-SEARCH: SEARCH rev=4971
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parents: 49225
diff changeset
162 DBG-DELTAS-SEARCH: ROUND #1 - 2 candidates - search-down
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parents: 49225
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163 DBG-DELTAS-SEARCH: CANDIDATE: rev=4962
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parents: 49225
diff changeset
164 DBG-DELTAS-SEARCH: type=snapshot-4
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parents: 49225
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165 DBG-DELTAS-SEARCH: size=18296
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parents: 49225
diff changeset
166 DBG-DELTAS-SEARCH: base=4930
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parents: 49225
diff changeset
167 DBG-DELTAS-SEARCH: uncompressed-delta-size=30377
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parents: 49225
diff changeset
168 DBG-DELTAS-SEARCH: delta-search-time=* (glob)
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parents: 49225
diff changeset
169 DBG-DELTAS-SEARCH: DELTA: length=16872 (BAD)
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parents: 49225
diff changeset
170 DBG-DELTAS-SEARCH: CANDIDATE: rev=4971
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parents: 49225
diff changeset
171 DBG-DELTAS-SEARCH: type=snapshot-4
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parents: 49225
diff changeset
172 DBG-DELTAS-SEARCH: size=19179
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parents: 49225
diff changeset
173 DBG-DELTAS-SEARCH: base=4930
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parents: 49225
diff changeset
174 DBG-DELTAS-SEARCH: TOO-HIGH
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parents: 49225
diff changeset
175 DBG-DELTAS-SEARCH: ROUND #2 - 1 candidates - search-down
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parents: 49225
diff changeset
176 DBG-DELTAS-SEARCH: CANDIDATE: rev=4930
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parents: 49225
diff changeset
177 DBG-DELTAS-SEARCH: type=snapshot-3
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parents: 49225
diff changeset
178 DBG-DELTAS-SEARCH: size=39228
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parents: 49225
diff changeset
179 DBG-DELTAS-SEARCH: base=4799
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parents: 49225
diff changeset
180 DBG-DELTAS-SEARCH: uncompressed-delta-size=33050
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parents: 49225
diff changeset
181 DBG-DELTAS-SEARCH: delta-search-time=* (glob)
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parents: 49225
diff changeset
182 DBG-DELTAS-SEARCH: DELTA: length=19179 (GOOD)
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parents: 49225
diff changeset
183 DBG-DELTAS-SEARCH: ROUND #3 - 1 candidates - refine-down
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parents: 49225
diff changeset
184 DBG-DELTAS-SEARCH: CONTENDER: rev=4930 - length=19179
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parents: 49225
diff changeset
185 DBG-DELTAS-SEARCH: CANDIDATE: rev=4799
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parents: 49225
diff changeset
186 DBG-DELTAS-SEARCH: type=snapshot-2
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parents: 49225
diff changeset
187 DBG-DELTAS-SEARCH: size=50213
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49225
diff changeset
188 DBG-DELTAS-SEARCH: base=4623
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49225
diff changeset
189 DBG-DELTAS-SEARCH: uncompressed-delta-size=82661
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49225
diff changeset
190 DBG-DELTAS-SEARCH: delta-search-time=* (glob)
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49225
diff changeset
191 DBG-DELTAS-SEARCH: DELTA: length=49132 (BAD)
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Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49225
diff changeset
192 DBG-DELTAS: FILELOG:SPARSE-REVLOG-TEST-FILE: rev=4971: search-rounds=3 try-count=3 - delta-type=snapshot snap-depth=4 - p1-chain-length=15 p2-chain-length=-1 - duration=* (glob)
b909dd35d9ab deltas: add a debug-delta-find command to analyse delta search
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49225
diff changeset
193
49225
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parents: 41819
diff changeset
194 $ cd ..