Mercurial > hg
annotate tests/test-chg.t @ 42044:bb271ec2fbfb
compression: introduce a `storage.revlog.zstd.level` configuration
This option control the zstd compression level used when compressing revlog
chunk. The usage of zstd for revlog compression has not graduated from
experimental yet, but we intend to fix that soon.
The option name for the compression level is more straight forward to pick, so
this changesets comes first. Having a dedicated option for each compression
engine is useful because they don't support the same range of values.
I ran the same measurement as for the zlib compression level (in the parent
changesets). The variation in repository size is stay mostly in the same (small)
range. The "read/write" performance see smallish variation, but are overall much
better than zlib. Write performance show the same tend of having better write
performance for when reaching high-end compression.
Again, we don't intend to change the default zstd compression level (currently:
3) in this series. However this is worth investigating in the future.
The Performance comparison of zlib vs zstd is quite impressive. The repository
size stay in the same range, but the performance are much better in all
situations.
Comparison summary
==================
We are looking at:
- performance range for zlib
- performance range for zstd
- comparison of default zstd (level-3) to default zlib (level 6)
- comparison of the slowest zstd time to the fastest zlib time
Read performance:
-----------------
| zlib | zstd | cmp | f2s
mercurial | 0.170159 - 0.189219 | 0.144127 - 0.149624 | 80% | 88%
pypy | 2.679217 - 2.768691 | 1.532317 - 1.705044 | 60% | 63%
netbeans | 122.477027 - 141.620281 | 72.996346 - 89.731560 | 58% | 73%
mozilla | 147.867662 - 170.572118 | 91.700995 - 105.853099 | 56% | 71%
Write performance:
------------------
| zlib | zstd | cmp | f2s
mercurial | 53.250304 - 56.2936129 | 40.877025 - 45.677286 | 75% | 86%
pypy | 460.721984 - 476.589918 | 270.545409 - 301.002219 | 63% | 65%
netbeans | 520.560316 - 715.930400 | 370.356311 - 428.329652 | 55% | 82%
mozilla | 739.803002 - 987.056093 | 505.152906 - 591.930683 | 57% | 80%
Raw data
--------
repo alg lvl .hg/store size 00manifest.d read write
mercurial zlib 1 49,402,813 5,963,475 0.170159 53.250304
mercurial zlib 6 47,197,397 5,875,730 0.182820 56.264320
mercurial zlib 9 47,121,596 5,849,781 0.189219 56.293612
mercurial zstd 1 49,737,084 5,966,355 0.144127 40.877025
mercurial zstd 3 48,961,867 5,895,208 0.146376 42.268142
mercurial zstd 5 48,200,592 5,938,676 0.149624 43.162875
mercurial zstd 10 47,833,520 5,913,353 0.145185 44.012489
mercurial zstd 15 47,314,604 5,728,679 0.147686 45.677286
mercurial zstd 20 47,330,502 5,830,539 0.145789 45.025407
mercurial zstd 22 47,330,076 5,830,539 0.143996 44.690460
pypy zlib 1 370,830,572 28,462,425 2.679217 460.721984
pypy zlib 6 340,112,317 27,648,747 2.768691 467.537158
pypy zlib 9 338,360,736 27,639,003 2.763495 476.589918
pypy zstd 1 362,377,479 27,916,214 1.532317 270.545409
pypy zstd 3 354,137,693 27,905,988 1.686718 294.951509
pypy zstd 5 342,640,043 27,655,774 1.705044 301.002219
pypy zstd 10 334,224,327 27,164,493 1.567287 285.186239
pypy zstd 15 329,000,363 26,645,965 1.637729 299.561332
pypy zstd 20 324,534,039 26,199,547 1.526813 302.149827
pypy zstd 22 324,530,595 26,198,932 1.525718 307.821218
netbeans zlib 1 1,281,847,810 165,495,457 122.477027 520.560316
netbeans zlib 6 1,205,284,353 159,161,207 139.876147 715.930400
netbeans zlib 9 1,197,135,671 155,034,586 141.620281 678.297064
netbeans zstd 1 1,259,581,737 160,840,613 72.996346 370.356311
netbeans zstd 3 1,232,978,122 157,691,551 81.622317 396.733087
netbeans zstd 5 1,208,034,075 160,246,880 83.080549 364.342626
netbeans zstd 10 1,188,624,176 156,083,417 79.323935 403.594602
netbeans zstd 15 1,176,973,589 153,859,477 89.731560 428.329652
netbeans zstd 20 1,162,958,258 151,147,535 82.842667 392.335349
netbeans zstd 22 1,162,707,029 151,150,220 82.565695 402.840655
mozilla zlib 1 2,775,497,186 298,527,987 147.867662 751.263721
mozilla zlib 6 2,596,856,420 286,597,671 170.572118 987.056093
mozilla zlib 9 2,587,542,494 287,018,264 163.622338 739.803002
mozilla zstd 1 2,723,159,348 286,617,532 91.700995 570.042751
mozilla zstd 3 2,665,055,001 286,152,013 95.240155 561.412805
mozilla zstd 5 2,607,819,817 288,060,030 101.978048 505.152906
mozilla zstd 10 2,558,761,085 283,967,648 104.113481 497.771202
mozilla zstd 15 2,526,216,060 275,581,300 105.853099 591.930683
mozilla zstd 20 2,485,114,806 266,478,859 95.268795 576.515389
mozilla zstd 22 2,484,869,080 266,456,505 94.429282 572.785537
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Wed, 27 Mar 2019 18:35:59 +0100 |
parents | dcac24ec935b |
children | f05d10ef42e3 |
rev | line source |
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3 $ mkdir log |
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4 $ cp $HGRCPATH $HGRCPATH.unconfigured |
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5 $ cat <<'EOF' >> $HGRCPATH |
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6 > [cmdserver] |
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7 > log = $TESTTMP/log/server.log |
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8 > max-log-files = 1 |
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9 > max-log-size = 10 kB |
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10 > EOF |
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11 $ cp $HGRCPATH $HGRCPATH.orig |
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12 |
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13 $ filterlog () { |
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14 > sed -e 's!^[0-9/]* [0-9:]* ([0-9]*)>!YYYY/MM/DD HH:MM:SS (PID)>!' \ |
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15 > -e 's!\(setprocname\|received fds\|setenv\): .*!\1: ...!' \ |
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16 > -e 's!\(confighash\|mtimehash\) = [0-9a-f]*!\1 = ...!g' \ |
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17 > -e 's!\(in \)[0-9.]*s\b!\1 ...s!g' \ |
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18 > -e 's!\(pid\)=[0-9]*!\1=...!g' \ |
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19 > -e 's!\(/server-\)[0-9a-f]*!\1...!g' |
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20 > } |
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21 |
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22 init repo |
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23 |
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24 $ chg init foo |
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25 $ cd foo |
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26 |
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27 ill-formed config |
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28 |
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29 $ chg status |
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30 $ echo '=brokenconfig' >> $HGRCPATH |
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31 $ chg status |
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32 hg: parse error at * (glob) |
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33 [255] |
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35 $ cp $HGRCPATH.orig $HGRCPATH |
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37 long socket path | |
38 | |
39 $ sockpath=$TESTTMP/this/path/should/be/longer/than/one-hundred-and-seven/characters/where/107/is/the/typical/size/limit/of/unix-domain-socket | |
40 $ mkdir -p $sockpath | |
41 $ bakchgsockname=$CHGSOCKNAME | |
42 $ CHGSOCKNAME=$sockpath/server | |
43 $ export CHGSOCKNAME | |
44 $ chg root | |
45 $TESTTMP/foo | |
46 $ rm -rf $sockpath | |
47 $ CHGSOCKNAME=$bakchgsockname | |
48 $ export CHGSOCKNAME | |
49 | |
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50 $ cd .. |
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51 |
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52 editor |
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53 ------ |
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54 |
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55 $ cat >> pushbuffer.py <<EOF |
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56 > def reposetup(ui, repo): |
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57 > repo.ui.pushbuffer(subproc=True) |
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58 > EOF |
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59 |
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60 $ chg init editor |
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61 $ cd editor |
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62 |
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63 by default, system() should be redirected to the client: |
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64 |
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65 $ touch foo |
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66 $ CHGDEBUG= HGEDITOR=cat chg ci -Am channeled --edit 2>&1 \ |
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67 > | egrep "HG:|run 'cat" |
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68 chg: debug: * run 'cat "*"' at '$TESTTMP/editor' (glob) |
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69 HG: Enter commit message. Lines beginning with 'HG:' are removed. |
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70 HG: Leave message empty to abort commit. |
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71 HG: -- |
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72 HG: user: test |
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73 HG: branch 'default' |
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74 HG: added foo |
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75 |
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76 but no redirection should be made if output is captured: |
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77 |
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78 $ touch bar |
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79 $ CHGDEBUG= HGEDITOR=cat chg ci -Am bufferred --edit \ |
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80 > --config extensions.pushbuffer="$TESTTMP/pushbuffer.py" 2>&1 \ |
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81 > | egrep "HG:|run 'cat" |
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82 [1] |
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83 |
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84 check that commit commands succeeded: |
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85 |
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86 $ hg log -T '{rev}:{desc}\n' |
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87 1:bufferred |
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88 0:channeled |
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89 |
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90 $ cd .. |
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91 |
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92 pager |
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93 ----- |
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94 |
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95 $ cat >> fakepager.py <<EOF |
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96 > import sys |
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97 > for line in sys.stdin: |
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98 > sys.stdout.write('paged! %r\n' % line) |
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99 > EOF |
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100 |
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101 enable pager extension globally, but spawns the master server with no tty: |
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102 |
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103 $ chg init pager |
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104 $ cd pager |
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105 $ cat >> $HGRCPATH <<EOF |
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106 > [extensions] |
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107 > pager = |
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108 > [pager] |
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109 > pager = "$PYTHON" $TESTTMP/fakepager.py |
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110 > EOF |
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111 $ chg version > /dev/null |
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112 $ touch foo |
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113 $ chg ci -qAm foo |
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114 |
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115 pager should be enabled if the attached client has a tty: |
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116 |
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117 $ chg log -l1 -q --config ui.formatted=True |
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118 paged! '0:1f7b0de80e11\n' |
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119 $ chg log -l1 -q --config ui.formatted=False |
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120 0:1f7b0de80e11 |
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121 |
31890 | 122 chg waits for pager if runcommand raises |
123 | |
124 $ cat > $TESTTMP/crash.py <<EOF | |
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125 > from mercurial import registrar |
31890 | 126 > cmdtable = {} |
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127 > command = registrar.command(cmdtable) |
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128 > @command(b'crash') |
31890 | 129 > def pagercrash(ui, repo, *pats, **opts): |
130 > ui.write('going to crash\n') | |
131 > raise Exception('.') | |
132 > EOF | |
133 | |
134 $ cat > $TESTTMP/fakepager.py <<EOF | |
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135 > from __future__ import absolute_import |
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136 > import sys |
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137 > import time |
31890 | 138 > for line in iter(sys.stdin.readline, ''): |
139 > if 'crash' in line: # only interested in lines containing 'crash' | |
140 > # if chg exits when pager is sleeping (incorrectly), the output | |
141 > # will be captured by the next test case | |
142 > time.sleep(1) | |
143 > sys.stdout.write('crash-pager: %s' % line) | |
144 > EOF | |
145 | |
146 $ cat >> .hg/hgrc <<EOF | |
147 > [extensions] | |
148 > crash = $TESTTMP/crash.py | |
149 > EOF | |
150 | |
151 $ chg crash --pager=on --config ui.formatted=True 2>/dev/null | |
152 crash-pager: going to crash | |
153 [255] | |
154 | |
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155 $ cd .. |
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156 |
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157 server lifecycle |
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158 ---------------- |
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159 |
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160 chg server should be restarted on code change, and old server will shut down |
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161 automatically. In this test, we use the following time parameters: |
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162 |
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163 - "sleep 1" to make mtime different |
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164 - "sleep 2" to notice mtime change (polling interval is 1 sec) |
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165 |
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166 set up repository with an extension: |
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167 |
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168 $ chg init extreload |
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169 $ cd extreload |
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170 $ touch dummyext.py |
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171 $ cat <<EOF >> .hg/hgrc |
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172 > [extensions] |
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173 > dummyext = dummyext.py |
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174 > EOF |
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175 |
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176 isolate socket directory for stable result: |
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177 |
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178 $ OLDCHGSOCKNAME=$CHGSOCKNAME |
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179 $ mkdir chgsock |
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180 $ CHGSOCKNAME=`pwd`/chgsock/server |
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181 |
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182 warm up server: |
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183 |
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184 $ CHGDEBUG= chg log 2>&1 | egrep 'instruction|start' |
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185 chg: debug: * start cmdserver at $TESTTMP/extreload/chgsock/server.* (glob) |
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186 |
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187 new server should be started if extension modified: |
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188 |
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189 $ sleep 1 |
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190 $ touch dummyext.py |
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191 $ CHGDEBUG= chg log 2>&1 | egrep 'instruction|start' |
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192 chg: debug: * instruction: unlink $TESTTMP/extreload/chgsock/server-* (glob) |
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193 chg: debug: * instruction: reconnect (glob) |
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194 chg: debug: * start cmdserver at $TESTTMP/extreload/chgsock/server.* (glob) |
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195 |
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196 old server will shut down, while new server should still be reachable: |
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197 |
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198 $ sleep 2 |
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199 $ CHGDEBUG= chg log 2>&1 | (egrep 'instruction|start' || true) |
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200 |
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201 socket file should never be unlinked by old server: |
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202 (simulates unowned socket by updating mtime, which makes sure server exits |
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203 at polling cycle) |
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204 |
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205 $ ls chgsock/server-* |
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206 chgsock/server-* (glob) |
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207 $ touch chgsock/server-* |
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208 $ sleep 2 |
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209 $ ls chgsock/server-* |
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210 chgsock/server-* (glob) |
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211 |
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212 since no server is reachable from socket file, new server should be started: |
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213 (this test makes sure that old server shut down automatically) |
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214 |
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215 $ CHGDEBUG= chg log 2>&1 | egrep 'instruction|start' |
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216 chg: debug: * start cmdserver at $TESTTMP/extreload/chgsock/server.* (glob) |
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217 |
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218 shut down servers and restore environment: |
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219 |
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220 $ rm -R chgsock |
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221 $ sleep 2 |
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222 $ CHGSOCKNAME=$OLDCHGSOCKNAME |
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223 $ cd .. |
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224 |
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225 check that server events are recorded: |
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226 |
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227 $ ls log |
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228 server.log |
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229 server.log.1 |
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230 |
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231 print only the last 10 lines, since we aren't sure how many records are |
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232 preserved: |
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233 |
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234 $ cat log/server.log.1 log/server.log | tail -10 | filterlog |
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235 YYYY/MM/DD HH:MM:SS (PID)> forked worker process (pid=...) |
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236 YYYY/MM/DD HH:MM:SS (PID)> setprocname: ... |
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237 YYYY/MM/DD HH:MM:SS (PID)> received fds: ... |
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238 YYYY/MM/DD HH:MM:SS (PID)> chdir to '$TESTTMP/extreload' |
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239 YYYY/MM/DD HH:MM:SS (PID)> setumask 18 |
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240 YYYY/MM/DD HH:MM:SS (PID)> setenv: ... |
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241 YYYY/MM/DD HH:MM:SS (PID)> confighash = ... mtimehash = ... |
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242 YYYY/MM/DD HH:MM:SS (PID)> validate: [] |
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243 YYYY/MM/DD HH:MM:SS (PID)> worker process exited (pid=...) |
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244 YYYY/MM/DD HH:MM:SS (PID)> $TESTTMP/extreload/chgsock/server-... is not owned, exiting. |
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245 |
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246 repository cache |
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247 ---------------- |
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248 |
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249 $ rm log/server.log* |
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250 $ cp $HGRCPATH.unconfigured $HGRCPATH |
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251 $ cat <<'EOF' >> $HGRCPATH |
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252 > [cmdserver] |
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253 > log = $TESTTMP/log/server.log |
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254 > max-repo-cache = 1 |
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255 > track-log = command, repocache |
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256 > EOF |
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257 |
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258 isolate socket directory for stable result: |
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259 |
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260 $ OLDCHGSOCKNAME=$CHGSOCKNAME |
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261 $ mkdir chgsock |
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262 $ CHGSOCKNAME=`pwd`/chgsock/server |
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263 |
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264 create empty repo and cache it: |
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265 |
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266 $ hg init cached |
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267 $ hg id -R cached |
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268 000000000000 tip |
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269 $ sleep 1 |
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270 |
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271 modify repo (and cache will be invalidated): |
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272 |
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273 $ touch cached/a |
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274 $ hg ci -R cached -Am 'add a' |
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275 adding a |
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276 $ sleep 1 |
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277 |
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278 read cached repo: |
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279 |
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280 $ hg log -R cached |
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281 changeset: 0:ac82d8b1f7c4 |
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282 tag: tip |
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283 user: test |
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284 date: Thu Jan 01 00:00:00 1970 +0000 |
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285 summary: add a |
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286 |
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287 $ sleep 1 |
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288 |
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289 discard cached from LRU cache: |
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290 |
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291 $ hg clone cached cached2 |
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292 updating to branch default |
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293 1 files updated, 0 files merged, 0 files removed, 0 files unresolved |
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294 $ hg id -R cached2 |
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295 ac82d8b1f7c4 tip |
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296 $ sleep 1 |
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297 |
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298 read uncached repo: |
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299 |
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300 $ hg log -R cached |
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301 changeset: 0:ac82d8b1f7c4 |
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302 tag: tip |
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303 user: test |
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304 date: Thu Jan 01 00:00:00 1970 +0000 |
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305 summary: add a |
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306 |
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307 $ sleep 1 |
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308 |
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309 shut down servers and restore environment: |
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310 |
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311 $ rm -R chgsock |
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312 $ sleep 2 |
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313 $ CHGSOCKNAME=$OLDCHGSOCKNAME |
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314 |
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315 check server log: |
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316 |
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317 $ cat log/server.log | filterlog |
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318 YYYY/MM/DD HH:MM:SS (PID)> init cached |
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319 YYYY/MM/DD HH:MM:SS (PID)> id -R cached |
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320 YYYY/MM/DD HH:MM:SS (PID)> loaded repo into cache: $TESTTMP/cached (in ...s) |
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321 YYYY/MM/DD HH:MM:SS (PID)> repo from cache: $TESTTMP/cached |
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322 YYYY/MM/DD HH:MM:SS (PID)> ci -R cached -Am 'add a' |
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323 YYYY/MM/DD HH:MM:SS (PID)> loaded repo into cache: $TESTTMP/cached (in ...s) |
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324 YYYY/MM/DD HH:MM:SS (PID)> repo from cache: $TESTTMP/cached |
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325 YYYY/MM/DD HH:MM:SS (PID)> log -R cached |
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326 YYYY/MM/DD HH:MM:SS (PID)> loaded repo into cache: $TESTTMP/cached (in ...s) |
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327 YYYY/MM/DD HH:MM:SS (PID)> clone cached cached2 |
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328 YYYY/MM/DD HH:MM:SS (PID)> id -R cached2 |
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329 YYYY/MM/DD HH:MM:SS (PID)> loaded repo into cache: $TESTTMP/cached2 (in ...s) |
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330 YYYY/MM/DD HH:MM:SS (PID)> log -R cached |
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331 YYYY/MM/DD HH:MM:SS (PID)> loaded repo into cache: $TESTTMP/cached (in ...s) |