annotate tests/test-pull-pull-corruption.t @ 18091:f7f8159caad3

ancestor: add lazy membership testing to lazyancestors This also makes the perfancestorset command use lazy membership testing. In a linear repository with over 400,000 commits, without this patch, hg perfancestorset takes 0.80 seconds no matter how far behind we're looking. With this patch, hg perfancestorset -- X takes: Rev X Time -1 0.00s -4000 0.01s -20000 0.04s -80000 0.17s -200000 0.43s -300000 0.69s 0 0.88s Thus, for revisions close to tip, we're up to several orders of magnitude faster. At 0 we're around 10% slower.
author Siddharth Agarwal <sid0@fb.com>
date Tue, 18 Dec 2012 12:47:20 -0800
parents f2719b387380
children eb586ed5d8ce
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1 Corrupt an hg repo with two pulls.
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2 create one repo with a long history
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3
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4 $ hg init source1
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5 $ cd source1
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6 $ touch foo
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7 $ hg add foo
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8 $ for i in 1 2 3 4 5 6 7 8 9 10; do
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9 > echo $i >> foo
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10 > hg ci -m $i
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11 > done
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12 $ cd ..
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13
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14 create one repo with a shorter history
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15
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16 $ hg clone -r 0 source1 source2
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17 adding changesets
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18 adding manifests
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19 adding file changes
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20 added 1 changesets with 1 changes to 1 files
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21 updating to branch default
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22 1 files updated, 0 files merged, 0 files removed, 0 files unresolved
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23 $ cd source2
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24 $ echo a >> foo
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25 $ hg ci -m a
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26 $ cd ..
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27
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28 create a third repo to pull both other repos into it
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29
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30 $ hg init corrupted
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31 $ cd corrupted
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32
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33 use a hook to make the second pull start while the first one is still running
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34
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35 $ echo '[hooks]' >> .hg/hgrc
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36 $ echo 'prechangegroup = sleep 5' >> .hg/hgrc
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37
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38 start a pull...
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39
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40 $ hg pull ../source1 > pull.out 2>&1 &
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41
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42 ... and start another pull before the first one has finished
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43
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44 $ sleep 1
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45 $ hg pull ../source2 2>/dev/null
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46 pulling from ../source2
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47 searching for changes
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48 adding changesets
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49 adding manifests
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50 adding file changes
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51 added 1 changesets with 1 changes to 1 files (+1 heads)
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52 (run 'hg heads' to see heads, 'hg merge' to merge)
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53 $ cat pull.out
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54 pulling from ../source1
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55 requesting all changes
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56 adding changesets
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57 adding manifests
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58 adding file changes
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59 added 10 changesets with 10 changes to 1 files
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60 (run 'hg update' to get a working copy)
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61
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62 see the result
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63
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64 $ wait
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65 $ hg verify
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66 checking changesets
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67 checking manifests
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68 crosschecking files in changesets and manifests
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69 checking files
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70 1 files, 11 changesets, 11 total revisions
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72 $ cd ..