tests/test-pull-pull-corruption.t
author Boris Feld <boris.feld@octobus.net>
Thu, 18 Jan 2018 00:50:12 +0100
changeset 35767 5f5fb279fd39
parent 34661 eb586ed5d8ce
child 39489 f1186c292d03
permissions -rw-r--r--
streamclone: also stream caches to the client When stream clone is used over bundle2, relevant cache files are also streamed. This is expected to be a massive performance win for clone since no important cache will have to be recomputed. Some performance numbers: (All times are wall-clock times in seconds, 2 attempts per case.) # Mozilla-Central ## Clone over ssh over lan V1 streaming: 234.3 239.6 V2 streaming: 248.4 243.7 ## Clone over ssh over Internet V1 streaming: 175.5 110.9 V2 streaming: 109.1 111.0 ## Clone over HTTP over lan V1 streaming: 105.3 105.6 V2 streaming: 112.7 111.4 ## Clone over HTTP over internet V1 streaming: 105.6 114.6 V2 streaming: 226.7 225.9 ## Hg tags V1 streaming (no cache): 1.084 1.071 V2 streaming (cache): 0.312 0.325 ## Hg branches V1 streaming (no cache): 14.047 14.148 V2 streaming (with cache): 0.312 0.333 # Pypy ## Clone over ssh over internet V1 streaming: 29.4 30.1 V2 streaming: 31.2 30.1 ## Clone over http over internet V1 streaming: 29.7 29.7 V2 streaming: 75.2 72.9 (since ssh and lan are not affected, there seems to be an issue with how we read/write the http stream on connection with latency, unrelated to the format) ## Hg tags V1 streaming (no cache): 1.752 1.664 V2 streaming (with cache): 0.274 0.260 ## Hg branches V1 streaming (no cache): 4.469 4.728 V2 streaming (with cache): 0.318 0.321 # Private repository: * 500K revision revisions * 11K topological heads * 28K branch heads ## hg tags no cache: 1543.332 with cache: 4.900 ## hg branches no cache: 91.828 with cache: 2.955
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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Corrupt an hg repo with two pulls.
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create one repo with a long history
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  $ hg init source1
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  $ cd source1
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  $ touch foo
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  $ hg add foo
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  $ for i in 1 2 3 4 5 6 7 8 9 10; do
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  >     echo $i >> foo
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  >     hg ci -m $i
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  > done
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  $ cd ..
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create one repo with a shorter history
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  $ hg clone -r 0 source1 source2
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  adding changesets
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  adding manifests
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  adding file changes
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  added 1 changesets with 1 changes to 1 files
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  new changesets 495a0ec48aaf
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  updating to branch default
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  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
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  $ cd source2
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  $ echo a >> foo
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  $ hg ci -m a
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  $ cd ..
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create a third repo to pull both other repos into it
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  $ hg init corrupted
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  $ cd corrupted
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use a hook to make the second pull start while the first one is still running
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  $ echo '[hooks]' >> .hg/hgrc
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  $ echo 'prechangegroup = sleep 5' >> .hg/hgrc
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start a pull...
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  $ hg pull ../source1 > pull.out 2>&1 &
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... and start another pull before the first one has finished
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  $ sleep 1
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  $ hg pull ../source2 2>/dev/null
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  pulling from ../source2
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  searching for changes
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  adding changesets
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  adding manifests
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  adding file changes
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  added 1 changesets with 1 changes to 1 files (+1 heads)
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  new changesets ca3c05af513e
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  (run 'hg heads' to see heads, 'hg merge' to merge)
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  $ cat pull.out
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  pulling from ../source1
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  requesting all changes
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  adding changesets
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  adding manifests
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  adding file changes
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  added 10 changesets with 10 changes to 1 files
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  new changesets 495a0ec48aaf:1e7b6c812ca8
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  (run 'hg update' to get a working copy)
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see the result
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  $ wait
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  $ hg verify
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  checking changesets
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  checking manifests
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  crosschecking files in changesets and manifests
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  checking files
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  1 files, 11 changesets, 11 total revisions
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  $ cd ..