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comparison tests/test-tags.t @ 24737:b061a2049662

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tags: have a different cache file per filter level Currently whichever filter level asks for tags last will write the data on disk. This create massive issues when tags are read for "visible" and "unfiltered" on large and multi headed repository (like Mozilla central). See issue4550 for details Each filter level recomputes its own cache without direct collaboration but they all share the same 'hgtagsfnodes' cache. And that is where most of the time is spent.
author Pierre-Yves David <pierre-yves.david@fb.com>
date Wed, 15 Apr 2015 18:34:34 -0400
parents 07200e3332a1
children d082c6ef9ec3
comparison
equal deleted inserted replaced
24736:f2fd087a75ef 24737:b061a2049662
7 > EOF 7 > EOF
8 8
9 Helper functions: 9 Helper functions:
10 10
11 $ cacheexists() { 11 $ cacheexists() {
12 > [ -f .hg/cache/tags ] && echo "tag cache exists" || echo "no tag cache" 12 > [ -f .hg/cache/tags-visible ] && echo "tag cache exists" || echo "no tag cache"
13 > } 13 > }
14 14
15 $ fnodescacheexists() { 15 $ fnodescacheexists() {
16 > [ -f .hg/cache/hgtagsfnodes1 ] && echo "fnodes cache exists" || echo "no fnodes cache" 16 > [ -f .hg/cache/hgtagsfnodes1 ] && echo "fnodes cache exists" || echo "no fnodes cache"
17 > } 17 > }
54 $ fnodescacheexists 54 $ fnodescacheexists
55 no fnodes cache 55 no fnodes cache
56 56
57 Try corrupting the cache 57 Try corrupting the cache
58 58
59 $ printf 'a b' > .hg/cache/tags 59 $ printf 'a b' > .hg/cache/tags-visible
60 $ hg identify 60 $ hg identify
61 acb14030fe0a tip 61 acb14030fe0a tip
62 $ cacheexists 62 $ cacheexists
63 tag cache exists 63 tag cache exists
64 $ fnodescacheexists 64 $ fnodescacheexists
100 0010: ff ff ff ff ff ff ff ff b9 15 46 36 26 b7 b4 a7 |..........F6&...| 100 0010: ff ff ff ff ff ff ff ff b9 15 46 36 26 b7 b4 a7 |..........F6&...|
101 0020: 73 e0 9e e3 c5 2f 51 0e 19 e0 5e 1f f9 66 d8 59 |s..../Q...^..f.Y| 101 0020: 73 e0 9e e3 c5 2f 51 0e 19 e0 5e 1f f9 66 d8 59 |s..../Q...^..f.Y|
102 102
103 Repeat with cold tag cache: 103 Repeat with cold tag cache:
104 104
105 $ rm -f .hg/cache/tags .hg/cache/hgtagsfnodes1 105 $ rm -f .hg/cache/tags-visible .hg/cache/hgtagsfnodes1
106 $ hg identify 106 $ hg identify
107 b9154636be93 tip 107 b9154636be93 tip
108 108
109 $ fnodescacheexists 109 $ fnodescacheexists
110 fnodes cache exists 110 fnodes cache exists
115 0020: 73 e0 9e e3 c5 2f 51 0e 19 e0 5e 1f f9 66 d8 59 |s..../Q...^..f.Y| 115 0020: 73 e0 9e e3 c5 2f 51 0e 19 e0 5e 1f f9 66 d8 59 |s..../Q...^..f.Y|
116 116
117 And again, but now unable to write tag cache: 117 And again, but now unable to write tag cache:
118 118
119 #if unix-permissions 119 #if unix-permissions
120 $ rm -f .hg/cache/tags .hg/cache/hgtagsfnodes1 120 $ rm -f .hg/cache/tags-visible .hg/cache/hgtagsfnodes1
121 $ chmod 555 .hg/cache 121 $ chmod 555 .hg/cache
122 $ hg identify 122 $ hg identify
123 b9154636be93 tip 123 b9154636be93 tip
124 $ chmod 755 .hg/cache 124 $ chmod 755 .hg/cache
125 #endif 125 #endif
126 126
127 Tag cache debug info written to blackbox log 127 Tag cache debug info written to blackbox log
128 128
129 $ rm -f .hg/cache/tags .hg/cache/hgtagsfnodes1 129 $ rm -f .hg/cache/tags-visible .hg/cache/hgtagsfnodes1
130 $ hg identify 130 $ hg identify
131 b9154636be93 tip 131 b9154636be93 tip
132 $ hg blackbox -l 5 132 $ hg blackbox -l 5
133 1970/01/01 00:00:00 bob> identify 133 1970/01/01 00:00:00 bob> identify
134 1970/01/01 00:00:00 bob> writing 48 bytes to cache/hgtagsfnodes1 134 1970/01/01 00:00:00 bob> writing 48 bytes to cache/hgtagsfnodes1
136 1970/01/01 00:00:00 bob> writing tags cache file with 1 heads and 1 tags 136 1970/01/01 00:00:00 bob> writing tags cache file with 1 heads and 1 tags
137 1970/01/01 00:00:00 bob> identify exited 0 after ?.?? seconds (glob) 137 1970/01/01 00:00:00 bob> identify exited 0 after ?.?? seconds (glob)
138 138
139 Failure to acquire lock results in no write 139 Failure to acquire lock results in no write
140 140
141 $ rm -f .hg/cache/tags .hg/cache/hgtagsfnodes1 141 $ rm -f .hg/cache/tags-visible .hg/cache/hgtagsfnodes1
142 $ echo 'foo:1' > .hg/wlock 142 $ echo 'foo:1' > .hg/wlock
143 $ hg identify 143 $ hg identify
144 b9154636be93 tip 144 b9154636be93 tip
145 $ hg blackbox -l 5 145 $ hg blackbox -l 5
146 1970/01/01 00:00:00 bob> identify 146 1970/01/01 00:00:00 bob> identify
152 $ fnodescacheexists 152 $ fnodescacheexists
153 no fnodes cache 153 no fnodes cache
154 154
155 $ rm .hg/wlock 155 $ rm .hg/wlock
156 156
157 $ rm -f .hg/cache/tags .hg/cache/hgtagsfnodes1 157 $ rm -f .hg/cache/tags-visible .hg/cache/hgtagsfnodes1
158 $ hg identify 158 $ hg identify
159 b9154636be93 tip 159 b9154636be93 tip
160 160
161 Create a branch: 161 Create a branch:
162 162
309 rev 4: .hgtags: 309 rev 4: .hgtags:
310 bbd179dfa0a71671c253b3ae0aa1513b60d199fa bar 310 bbd179dfa0a71671c253b3ae0aa1513b60d199fa bar
311 311
312 Dump cache: 312 Dump cache:
313 313
314 $ cat .hg/cache/tags 314 $ cat .hg/cache/tags-visible
315 4 0c192d7d5e6b78a714de54a2e9627952a877e25a 0c04f2a8af31de17fab7422878ee5a2dadbc943d 315 4 0c192d7d5e6b78a714de54a2e9627952a877e25a 0c04f2a8af31de17fab7422878ee5a2dadbc943d
316 3 6fa450212aeb2a21ed616a54aea39a4a27894cd7 7d3b718c964ef37b89e550ebdafd5789e76ce1b0 316 3 6fa450212aeb2a21ed616a54aea39a4a27894cd7 7d3b718c964ef37b89e550ebdafd5789e76ce1b0
317 2 7a94127795a33c10a370c93f731fd9fea0b79af6 0c04f2a8af31de17fab7422878ee5a2dadbc943d 317 2 7a94127795a33c10a370c93f731fd9fea0b79af6 0c04f2a8af31de17fab7422878ee5a2dadbc943d
318 318
319 bbd179dfa0a71671c253b3ae0aa1513b60d199fa bar 319 bbd179dfa0a71671c253b3ae0aa1513b60d199fa bar
354 354
355 $ echo dummy2 > foo 355 $ echo dummy2 > foo
356 $ hg commit -m throwaway2 356 $ hg commit -m throwaway2
357 357
358 $ chmod a-w .hg/cache/hgtagsfnodes1 358 $ chmod a-w .hg/cache/hgtagsfnodes1
359 $ rm -f .hg/cache/tags 359 $ rm -f .hg/cache/tags-visible
360 360
361 $ hg tags 361 $ hg tags
362 tip 6:b968051b5cf3 362 tip 6:b968051b5cf3
363 bar 1:78391a272241 363 bar 1:78391a272241
364 364
370 1970/01/01 00:00:00 bob> tags exited 0 after * seconds (glob) 370 1970/01/01 00:00:00 bob> tags exited 0 after * seconds (glob)
371 371
372 $ chmod a+w .hg/cache/hgtagsfnodes1 372 $ chmod a+w .hg/cache/hgtagsfnodes1
373 #endif 373 #endif
374 374
375 $ rm -f .hg/cache/tags 375 $ rm -f .hg/cache/tags-visible
376 $ hg tags 376 $ hg tags
377 tip 6:b968051b5cf3 377 tip 6:b968051b5cf3
378 bar 1:78391a272241 378 bar 1:78391a272241
379 379
380 $ hg blackbox -l 5 380 $ hg blackbox -l 5
522 $ hg --config extensions.mq= strip 4 522 $ hg --config extensions.mq= strip 4
523 saved backup bundle to $TESTTMP/t3/.hg/strip-backup/*-backup.hg (glob) 523 saved backup bundle to $TESTTMP/t3/.hg/strip-backup/*-backup.hg (glob)
524 $ hg tags # partly stale 524 $ hg tags # partly stale
525 tip 4:735c3ca72986 525 tip 4:735c3ca72986
526 bar 0:bbd179dfa0a7 526 bar 0:bbd179dfa0a7
527 $ rm -f .hg/cache/tags 527 $ rm -f .hg/cache/tags-visible
528 $ hg tags # cold cache 528 $ hg tags # cold cache
529 tip 4:735c3ca72986 529 tip 4:735c3ca72986
530 bar 0:bbd179dfa0a7 530 bar 0:bbd179dfa0a7
531 531
532 Test tag rank with 3 heads: 532 Test tag rank with 3 heads: