Mercurial > hgsubversion
annotate tests/fixtures/binaryfiles.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 binaryfiles.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 trunk |
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12 cd .. |
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13 |
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14 svnadmin create testrepo |
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15 svnurl=file://`pwd`/testrepo |
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16 svn import project-orig $svnurl -m "init project" |
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17 |
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18 svn co $svnurl project |
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19 cd project/trunk |
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20 # Add a regular binary file, and an unflagged one |
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21 python -c "file('binary1', 'wb').write('a\0\0\nb\0b')" |
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22 python -c "file('binary2', 'wb').write('b\0\0\nc\0d')" |
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23 svn add binary1 binary2 |
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24 svn propset svn:mime-type application/octet-stream binary1 |
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25 svn propdel svn:mime-type binary2 |
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26 svn ci -m 'add binaries' |
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27 # Update them |
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28 python -c "file('binary1', 'wb').write('a\0\0\nc\0d')" |
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29 python -c "file('binary2', 'wb').write('b\0\0\0\nd\0e')" |
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30 svn ci -m 'change binaries' |
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31 # Remove them |
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32 svn rm binary1 binary2 |
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33 svn ci -m 'remove binaries' |
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34 cd ../.. |
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35 |
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36 svnadmin dump testrepo > ../binaryfiles.svndump |