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annotate tests/test-remotefilelog-corrupt-cache.t @ 41247:a89b20a49c13

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rust-cpython: using MissingAncestors from Python code As precedently done with LazyAncestors on cpython.rs, we test for the presence of the 'rustext' module. incrementalmissingrevs() has two callers within the Mercurial core: `setdiscovery.partialdiscovery` and the `only()` revset. This move shows a significant discovery performance improvement in cases where the baseline is slow: using perfdiscovery on the PyPy repos, prepared with `contrib/discovery-helper <repo> 50 100`, we get averaged medians of 403ms with the Rust version vs 742ms without (about 45% better). But there are still indications that performance can be worse in cases the baseline is fast, possibly due to the conversion from Python to Rust and back becoming the bottleneck. We could measure this on mozilla-central in cases were the delta is just a few changesets. This requires confirmation, but if that's the reason, then an upcoming `partialdiscovery` fully in Rust should solve the problem. Differential Revision: https://phab.mercurial-scm.org/D5551
author Georges Racinet <georges.racinet@octobus.net>
date Fri, 30 Nov 2018 14:35:57 +0100
parents 0800d9e6e216
children 5830539c46be
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0800d9e6e216 tests: disable remotefilelog on Windows
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1 #require no-windows
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2
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3 $ . "$TESTDIR/remotefilelog-library.sh"
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4
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5 $ hg init master
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6 $ cd master
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7 $ cat >> .hg/hgrc <<EOF
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8 > [remotefilelog]
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9 > server=True
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10 > EOF
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11 $ echo x > x
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12 $ echo y > y
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13 $ echo z > z
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14 $ hg commit -qAm xy
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15
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16 $ cd ..
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17
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18 $ hgcloneshallow ssh://user@dummy/master shallow -q
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19 3 files fetched over 1 fetches - (3 misses, 0.00% hit ratio) over *s (glob)
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20 $ cd shallow
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21
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22 Verify corrupt cache handling repairs by default
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23
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24 $ hg up -q null
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25 $ chmod u+w $CACHEDIR/master/11/f6ad8ec52a2984abaafd7c3b516503785c2072/1406e74118627694268417491f018a4a883152f0
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26 $ echo x > $CACHEDIR/master/11/f6ad8ec52a2984abaafd7c3b516503785c2072/1406e74118627694268417491f018a4a883152f0
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27 $ hg up tip
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28 3 files updated, 0 files merged, 0 files removed, 0 files unresolved
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29 1 files fetched over 1 fetches - (1 misses, 0.00% hit ratio) over *s (glob)
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31 Verify corrupt cache error message
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32
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33 $ hg up -q null
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34 $ cat >> .hg/hgrc <<EOF
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35 > [remotefilelog]
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36 > validatecache=off
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37 > EOF
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38 $ chmod u+w $CACHEDIR/master/11/f6ad8ec52a2984abaafd7c3b516503785c2072/1406e74118627694268417491f018a4a883152f0
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39 $ echo x > $CACHEDIR/master/11/f6ad8ec52a2984abaafd7c3b516503785c2072/1406e74118627694268417491f018a4a883152f0
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40 $ hg up tip 2>&1 | egrep "^RuntimeError"
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41 RuntimeError: unexpected remotefilelog header: illegal format
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43 Verify detection and remediation when remotefilelog.validatecachelog is set
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45 $ cat >> .hg/hgrc <<EOF
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46 > [remotefilelog]
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47 > validatecachelog=$PWD/.hg/remotefilelog_cache.log
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48 > validatecache=strict
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49 > EOF
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50 $ chmod u+w $CACHEDIR/master/11/f6ad8ec52a2984abaafd7c3b516503785c2072/1406e74118627694268417491f018a4a883152f0
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51 $ echo x > $CACHEDIR/master/11/f6ad8ec52a2984abaafd7c3b516503785c2072/1406e74118627694268417491f018a4a883152f0
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52 $ hg up tip
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53 3 files updated, 0 files merged, 0 files removed, 0 files unresolved
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54 1 files fetched over 1 fetches - (1 misses, 0.00% hit ratio) over *s (glob)
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55 $ cat .hg/remotefilelog_cache.log
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56 corrupt $TESTTMP/hgcache/master/11/f6ad8ec52a2984abaafd7c3b516503785c2072/1406e74118627694268417491f018a4a883152f0 during contains
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57
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58 Verify handling of corrupt server cache
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59
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60 $ rm -f ../master/.hg/remotefilelogcache/y/076f5e2225b3ff0400b98c92aa6cdf403ee24cca
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61 $ touch ../master/.hg/remotefilelogcache/y/076f5e2225b3ff0400b98c92aa6cdf403ee24cca
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62 $ clearcache
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63 $ hg prefetch -r .
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64 3 files fetched over 1 fetches - (3 misses, 0.00% hit ratio) over *s (glob)
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65 $ test -s ../master/.hg/remotefilelogcache/y/076f5e2225b3ff0400b98c92aa6cdf403ee24cca
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66 $ hg debugremotefilelog $CACHEDIR/master/95/cb0bfd2977c761298d9624e4b4d4c72a39974a/076f5e2225b3ff0400b98c92aa6cdf403ee24cca
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67 size: 2 bytes
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68 path: $TESTTMP/hgcache/master/95/cb0bfd2977c761298d9624e4b4d4c72a39974a/076f5e2225b3ff0400b98c92aa6cdf403ee24cca
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69 key: 076f5e2225b3
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70
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71 node => p1 p2 linknode copyfrom
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72 076f5e2225b3 => 000000000000 000000000000 f3d0bb0d1e48