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annotate tests/test-pull-pull-corruption2 @ 2577:fa76c5d609c9

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bdiff: improve worst case behavior by 100x. on 5.8MB (244.000 lines) text file with similar lines, hash before this change made diff against empty file take 75 seconds. this change improves performance to 0.6 seconds. result is that clone of smallish repo (137MB) with some files like this takes 1 minute instead of 10 minutes. common case of diff is 10% slower now, probably because of worse cache locality. but diff does not affect overall performance in common case (less than 1% of runtime is in diff when it is working ok), so this tradeoff looks good.
author Vadim Gelfer <vadim.gelfer@gmail.com>
date Fri, 07 Jul 2006 15:02:55 -0700
parents d181845bdc51
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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6f6e210b38cf add benoit's test for issue148.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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1 #!/bin/sh
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Vadim Gelfer <vadim.gelfer@gmail.com>
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2 #
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Vadim Gelfer <vadim.gelfer@gmail.com>
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3 # Corrupt an hg repo with two pulls.
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Vadim Gelfer <vadim.gelfer@gmail.com>
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4 #
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Vadim Gelfer <vadim.gelfer@gmail.com>
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5
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Vadim Gelfer <vadim.gelfer@gmail.com>
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6 # create one repo with a long history
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Vadim Gelfer <vadim.gelfer@gmail.com>
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7 hg init source1
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Vadim Gelfer <vadim.gelfer@gmail.com>
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8 cd source1
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Vadim Gelfer <vadim.gelfer@gmail.com>
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9 touch foo
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Vadim Gelfer <vadim.gelfer@gmail.com>
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10 hg add foo
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Vadim Gelfer <vadim.gelfer@gmail.com>
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11 for i in 1 2 3 4 5 6 7 8 9 10; do
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Vadim Gelfer <vadim.gelfer@gmail.com>
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12 echo $i >> foo
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Vadim Gelfer <vadim.gelfer@gmail.com>
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13 hg ci -m $i
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Vadim Gelfer <vadim.gelfer@gmail.com>
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14 done
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Vadim Gelfer <vadim.gelfer@gmail.com>
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15 cd ..
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Vadim Gelfer <vadim.gelfer@gmail.com>
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16
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Vadim Gelfer <vadim.gelfer@gmail.com>
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17 # create a third repo to pull both other repos into it
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Vadim Gelfer <vadim.gelfer@gmail.com>
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18 hg init version2
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Vadim Gelfer <vadim.gelfer@gmail.com>
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19 hg -R version2 pull source1 &
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Vadim Gelfer <vadim.gelfer@gmail.com>
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20 sleep 1
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Vadim Gelfer <vadim.gelfer@gmail.com>
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21
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Vadim Gelfer <vadim.gelfer@gmail.com>
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22 hg clone --pull -U version2 corrupted
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d181845bdc51 Wait for first pull to be completed before doing verify.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 2000
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23 wait
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Vadim Gelfer <vadim.gelfer@gmail.com>
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24 hg -R corrupted verify
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Vadim Gelfer <vadim.gelfer@gmail.com>
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25 hg -R version2 verify