annotate tests/test-sparse-revlog.t @ 40910:4bb6195755b1

test: enable sparse-revlog for test-ssh-proto-unbundle.t We are about to enable sparse-revlog globally. To help with reviewing the tests change, we isolate them in individual changesets. Differential Revision: https://phab.mercurial-scm.org/D5337
author Boris Feld <boris.feld@octobus.net>
date Mon, 12 Nov 2018 01:17:05 +0100
parents b66ea3fc3a86
children 2e92624c3613
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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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 echo 'skipped: outdated artifact, md5 "'"$currenthash"'" expected "'"$expectedhash"'" run "'"$TESTDIR"'/artifacts/scripts/generate-churning-bundle.py"'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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103 lvl-1 : 1561380 ( 2.48%)
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104 lvl-2 : 2096696 ( 3.33%)
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105 lvl-3 : 2749539 ( 4.36%)
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106 lvl-4 : 2676222 ( 4.25%)
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107 deltas : 53114825 (84.31%)
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108
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109 chunks : 5001
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110 0x78 (x) : 5001 (100.00%)
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111 chunks size : 63002924
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112 0x78 (x) : 63002924 (100.00%)
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113
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114 avg chain length : 9
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115 max chain length : 15
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116 max chain reach : 28907121
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117 compression ratio : 27
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118
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Boris Feld <boris.feld@octobus.net>
parents:
diff changeset
119 uncompressed data size (min/max/avg) : 346468 / 346472 / 346471
39506
b66ea3fc3a86 sparse-revlog: set max delta chain length to on thousand
Boris Feld <boris.feld@octobus.net>
parents: 39505
diff changeset
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
121 inter-snapshot size (min/max/avg) : 11601 / 157413 / 24550
b66ea3fc3a86 sparse-revlog: set max delta chain length to on thousand
Boris Feld <boris.feld@octobus.net>
parents: 39505
diff changeset
122 level-1 (min/max/avg) : 13061 / 157413 / 67886
b66ea3fc3a86 sparse-revlog: set max delta chain length to on thousand
Boris Feld <boris.feld@octobus.net>
parents: 39505
diff changeset
123 level-2 (min/max/avg) : 11674 / 85631 / 33280
b66ea3fc3a86 sparse-revlog: set max delta chain length to on thousand
Boris Feld <boris.feld@octobus.net>
parents: 39505
diff changeset
124 level-3 (min/max/avg) : 11602 / 42957 / 23301
b66ea3fc3a86 sparse-revlog: set max delta chain length to on thousand
Boris Feld <boris.feld@octobus.net>
parents: 39505
diff changeset
125 level-4 (min/max/avg) : 11601 / 21475 / 16121
b66ea3fc3a86 sparse-revlog: set max delta chain length to on thousand
Boris Feld <boris.feld@octobus.net>
parents: 39505
diff changeset
126 delta size (min/max/avg) : 10649 / 105465 / 11479
39491
4ca7a67c94c8 sparse-revlog: add a test checking revlog deltas for a churning file
Boris Feld <boris.feld@octobus.net>
parents:
diff changeset
127
39506
b66ea3fc3a86 sparse-revlog: set max delta chain length to on thousand
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
130 where prev = p2 : 0 ( 0.00%)
39506
b66ea3fc3a86 sparse-revlog: set max delta chain length to on thousand
Boris Feld <boris.feld@octobus.net>
parents: 39505
diff changeset
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%)