Mercurial > hgsubversion
annotate tests/fixtures/truncatedhistory.sh @ 1457:019c3e194fba
tests: optimise creating repositories and loading dumps
Previously, we'd use svnadmin for creating repositories and loading
dumps. That tends to be a bit slow, as it forks a new process and
loads the Subversion libraries into it. Instead, we extend our
existing Subversion wrappers and load the dumps using the API.
This is a noticable speedup. The only downside is that we rely on
Subversion and Subvertpy to correctly close all file descriptors; an
assumption which hasn't always held in the past.
I ran some benchmarks on my relatively slow Mac with $TMPDIR on a
ramdisk, and they showed a significant change:
I compared ten runs of each with Subvertpy:
min: -18.8% (299.1s -> 243.0s)
median: -20.0% (307.1s -> 245.6s)
...and three runs of each with SWIG:
min: -22.8% (368.7s -> 284.7s)
median: -25.7% (384.4s -> 285.5s)
(Since the timing measures wall clock time, the minimum time is likely
to be the most accurate and useful measurement.)
author | Dan Villiom Podlaski Christiansen <danchr@gmail.com> |
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date | Tue, 07 Jun 2016 09:15:53 +0200 |
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1 #!/bin/sh |
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2 # |
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3 # Generate truncatedhistory.svndump |
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4 # |
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5 |
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6 mkdir temp |
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7 cd temp |
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8 |
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9 mkdir project-orig |
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10 cd project-orig |
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11 mkdir project1 |
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12 mkdir project2 |
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13 cd .. |
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14 |
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15 svnadmin create testrepo |
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16 svnurl=file://`pwd`/testrepo |
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17 svn import project-orig $svnurl -m "init project" |
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18 |
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19 svn co $svnurl project |
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20 # Make a single revision in trunk |
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21 cd project/project1 |
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22 echo a > a |
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23 svn add a |
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24 svn ci -m "add a" |
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25 cd .. |
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26 svn up |
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27 # Rename the project |
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28 svn mv project1 project2/trunk |
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29 svn ci -m "rename project1" |
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30 cd project2/trunk |
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31 echo b > b |
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32 svn add b |
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33 svn ci -m "add b" |
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34 cd ../../.. |
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35 |
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36 svnadmin dump testrepo > ../truncatedhistory.svndump |