annotate tests/test-sparse-revlog.t @ 48663:bf424fe4f814

lfs: take lock before writing requirements With `share-safe`, we will also write file in the store, so we take the store lock before writing requirements. Differential Revision: https://phab.mercurial-scm.org/D11991
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Fri, 07 Jan 2022 17:33:27 +0100
parents 688fc33e105d
children 58a814d062ca
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=63327412
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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 : 20 ( 0.40%)
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109 lvl-2 : 68 ( 1.36%)
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110 lvl-3 : 112 ( 2.24%)
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111 lvl-4 : 180 ( 3.60%)
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112 deltas : 4618 (92.34%)
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113 revision size : 63327412
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114 snapshot : 9886710 (15.61%)
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115 lvl-0 : 603104 ( 0.95%)
c59987ab96b4 test: don't trust delta bases from the bundle in test-sparse-revlog.t
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41793
diff changeset
116 lvl-1 : 1559991 ( 2.46%)
c59987ab96b4 test: don't trust delta bases from the bundle in test-sparse-revlog.t
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41793
diff changeset
117 lvl-2 : 2295592 ( 3.62%)
c59987ab96b4 test: don't trust delta bases from the bundle in test-sparse-revlog.t
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41793
diff changeset
118 lvl-3 : 2531199 ( 4.00%)
c59987ab96b4 test: don't trust delta bases from the bundle in test-sparse-revlog.t
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41793
diff changeset
119 lvl-4 : 2896824 ( 4.57%)
c59987ab96b4 test: don't trust delta bases from the bundle in test-sparse-revlog.t
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41793
diff changeset
120 deltas : 53440702 (84.39%)
39491
4ca7a67c94c8 sparse-revlog: add a test checking revlog deltas for a churning file
Boris Feld <boris.feld@octobus.net>
parents:
diff changeset
121
4ca7a67c94c8 sparse-revlog: add a test checking revlog deltas for a churning file
Boris Feld <boris.feld@octobus.net>
parents:
diff changeset
122 chunks : 5001
4ca7a67c94c8 sparse-revlog: add a test checking revlog deltas for a churning file
Boris Feld <boris.feld@octobus.net>
parents:
diff changeset
123 0x78 (x) : 5001 (100.00%)
41794
c59987ab96b4 test: don't trust delta bases from the bundle in test-sparse-revlog.t
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41793
diff changeset
124 chunks size : 63327412
c59987ab96b4 test: don't trust delta bases from the bundle in test-sparse-revlog.t
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41793
diff changeset
125 0x78 (x) : 63327412 (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
126
39506
b66ea3fc3a86 sparse-revlog: set max delta chain length to on thousand
Boris Feld <boris.feld@octobus.net>
parents: 39505
diff changeset
127 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
128 max chain length : 15
41794
c59987ab96b4 test: don't trust delta bases from the bundle in test-sparse-revlog.t
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41793
diff changeset
129 max chain reach : 28248745
c59987ab96b4 test: don't trust delta bases from the bundle in test-sparse-revlog.t
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41793
diff changeset
130 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
131
4ca7a67c94c8 sparse-revlog: add a test checking revlog deltas for a churning file
Boris Feld <boris.feld@octobus.net>
parents:
diff changeset
132 uncompressed data size (min/max/avg) : 346468 / 346472 / 346471
41794
c59987ab96b4 test: don't trust delta bases from the bundle in test-sparse-revlog.t
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41793
diff changeset
133 full revision size (min/max/avg) : 201008 / 201050 / 201034
c59987ab96b4 test: don't trust delta bases from the bundle in test-sparse-revlog.t
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41793
diff changeset
134 inter-snapshot size (min/max/avg) : 11596 / 168150 / 24430
c59987ab96b4 test: don't trust delta bases from the bundle in test-sparse-revlog.t
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41793
diff changeset
135 level-1 (min/max/avg) : 16653 / 168150 / 77999
c59987ab96b4 test: don't trust delta bases from the bundle in test-sparse-revlog.t
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41793
diff changeset
136 level-2 (min/max/avg) : 12951 / 85595 / 33758
c59987ab96b4 test: don't trust delta bases from the bundle in test-sparse-revlog.t
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41793
diff changeset
137 level-3 (min/max/avg) : 11608 / 43029 / 22599
c59987ab96b4 test: don't trust delta bases from the bundle in test-sparse-revlog.t
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41793
diff changeset
138 level-4 (min/max/avg) : 11596 / 21632 / 16093
c59987ab96b4 test: don't trust delta bases from the bundle in test-sparse-revlog.t
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41793
diff changeset
139 delta size (min/max/avg) : 10649 / 107163 / 11572
39491
4ca7a67c94c8 sparse-revlog: add a test checking revlog deltas for a churning file
Boris Feld <boris.feld@octobus.net>
parents:
diff changeset
140
41794
c59987ab96b4 test: don't trust delta bases from the bundle in test-sparse-revlog.t
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41793
diff changeset
141 deltas against prev : 3910 (84.67%)
c59987ab96b4 test: don't trust delta bases from the bundle in test-sparse-revlog.t
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41793
diff changeset
142 where prev = p1 : 3910 (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
143 where prev = p2 : 0 ( 0.00%)
41793
2e92624c3613 test: update test-sparse-revlog.t output
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 39506
diff changeset
144 other : 0 ( 0.00%)
41794
c59987ab96b4 test: don't trust delta bases from the bundle in test-sparse-revlog.t
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41793
diff changeset
145 deltas against p1 : 648 (14.03%)
c59987ab96b4 test: don't trust delta bases from the bundle in test-sparse-revlog.t
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41793
diff changeset
146 deltas against p2 : 60 ( 1.30%)
c59987ab96b4 test: don't trust delta bases from the bundle in test-sparse-revlog.t
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 41793
diff changeset
147 deltas against other : 0 ( 0.00%)