tests/test-remotefilelog-gcrepack.t
author Augie Fackler <augie@google.com>
Thu, 04 Oct 2018 00:11:37 -0400
changeset 40507 e2a1584e9e3f
parent 40506 10c10da14c5d
child 40571 95a079ea1e19
permissions -rw-r--r--
remotefilelog: rip out lz4 support Some methods are left teased out so it's easier to build a migration extension from v1 packs to v2. I also anticipate those methods will be of use if we get around to adding configurable compression engines before we end up jettisoning packs. I think it would make sense to register one-shot `compress` and `decompress` methods on our compression engines in util.py, but indygreg mentioned that might not be straightforward. Differential Revision: https://phab.mercurial-scm.org/D4944
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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  $ PYTHONPATH=$TESTDIR/..:$PYTHONPATH
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  $ export PYTHONPATH
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  $ . "$TESTDIR/remotefilelog-library.sh"
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  $ hginit master
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  $ cd master
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  $ cat >> .hg/hgrc <<EOF
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  > [remotefilelog]
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  > server=True
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  > EOF
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  $ echo x > x
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  $ hg commit -qAm x
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  $ echo y > y
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  $ rm x
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  $ hg commit -qAm DxAy
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  $ echo yy > y
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  $ hg commit -qAm y
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  $ cd ..
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  $ hgcloneshallow ssh://user@dummy/master shallow -q
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  1 files fetched over 1 fetches - (1 misses, 0.00% hit ratio) over *s (glob)
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# Set the prefetchdays config to zero so that all commits are prefetched
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# no matter what their creation date is.
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  $ cd shallow
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  $ cat >> .hg/hgrc <<EOF
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  > [remotefilelog]
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  > prefetchdays=0
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  > EOF
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  $ cd ..
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# Prefetch all data and repack
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  $ cd shallow
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  $ cat >> .hg/hgrc <<EOF
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  > [remotefilelog]
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  > bgprefetchrevs=all()
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  > EOF
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  $ hg prefetch
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  2 files fetched over 1 fetches - (2 misses, 0.00% hit ratio) over *s (glob)
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  $ hg repack
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  $ sleep 0.5
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  $ hg debugwaitonrepack >/dev/null 2>%1
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  $ find $CACHEDIR | sort | grep ".datapack\|.histpack"
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  $TESTTMP/hgcache/master/packs/7bcd2d90b99395ca43172a0dd24e18860b2902f9.histpack
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  $TESTTMP/hgcache/master/packs/dc8f8fdc76690ce27791ce9f53a18da379e50d37.datapack
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# Ensure that all file versions were prefetched
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  $ hg debugdatapack `ls -ct $TESTTMP/hgcache/master/packs/*.datapack | head -n 1`
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  $TESTTMP/hgcache/master/packs/dc8f8fdc76690ce27791ce9f53a18da379e50d37:
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  x:
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  Node          Delta Base    Delta Length  Blob Size
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  1406e7411862  000000000000  2             2
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  Total:                      2             2         (0.0% bigger)
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  y:
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  Node          Delta Base    Delta Length  Blob Size
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  50dbc4572b8e  000000000000  3             3
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  076f5e2225b3  50dbc4572b8e  14            2
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  Total:                      17            5         (240.0% bigger)
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# Test garbage collection during repack
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  $ cat >> .hg/hgrc <<EOF
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  > [remotefilelog]
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  > bgprefetchrevs=tip
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  > gcrepack=True
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  > nodettl=86400
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  > EOF
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  $ hg repack
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  $ sleep 0.5
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  $ hg debugwaitonrepack >/dev/null 2>%1
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  $ find $CACHEDIR | sort | grep ".datapack\|.histpack"
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  $TESTTMP/hgcache/master/packs/7bcd2d90b99395ca43172a0dd24e18860b2902f9.histpack
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  $TESTTMP/hgcache/master/packs/a4e1d094ec2aee8a08a4d6d95a13c634cc7d7394.datapack
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# Ensure that file 'x' was garbage collected. It should be GCed because it is not in the keepset
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# and is old (commit date is 0.0 in tests). Ensure that file 'y' is present as it is in the keepset.
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  $ hg debugdatapack `ls -ct $TESTTMP/hgcache/master/packs/*.datapack | head -n 1`
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  $TESTTMP/hgcache/master/packs/a4e1d094ec2aee8a08a4d6d95a13c634cc7d7394:
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  y:
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  Node          Delta Base    Delta Length  Blob Size
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  50dbc4572b8e  000000000000  3             3
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  Total:                      3             3         (0.0% bigger)
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# Prefetch all data again and repack for later garbage collection
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  $ cat >> .hg/hgrc <<EOF
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  > [remotefilelog]
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  > bgprefetchrevs=all()
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  > EOF
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  $ hg prefetch
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  2 files fetched over 1 fetches - (2 misses, 0.00% hit ratio) over *s (glob)
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  $ hg repack
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  $ sleep 0.5
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  $ hg debugwaitonrepack >/dev/null 2>%1
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  $ find $CACHEDIR | sort | grep ".datapack\|.histpack"
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  $TESTTMP/hgcache/master/packs/7bcd2d90b99395ca43172a0dd24e18860b2902f9.histpack
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  $TESTTMP/hgcache/master/packs/dc8f8fdc76690ce27791ce9f53a18da379e50d37.datapack
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# Ensure that all file versions were prefetched
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  $ hg debugdatapack `ls -ct $TESTTMP/hgcache/master/packs/*.datapack | head -n 1`
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  $TESTTMP/hgcache/master/packs/dc8f8fdc76690ce27791ce9f53a18da379e50d37:
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  x:
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  Node          Delta Base    Delta Length  Blob Size
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  1406e7411862  000000000000  2             2
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  Total:                      2             2         (0.0% bigger)
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  y:
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  Node          Delta Base    Delta Length  Blob Size
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  50dbc4572b8e  000000000000  3             3
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  076f5e2225b3  50dbc4572b8e  14            2
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  Total:                      17            5         (240.0% bigger)
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# Test garbage collection during repack. Ensure that new files are not removed even though they are not in the keepset
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# For the purposes of the test the TTL of a file is set to current time + 100 seconds. i.e. all commits in tests have
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# a date of 1970 and therefore to prevent garbage collection we have to set nodettl to be farther from 1970 than we are now.
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  $ cat >> .hg/hgrc <<EOF
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  > [remotefilelog]
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  > bgprefetchrevs=
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  > nodettl=$(($(date +%s) + 100))
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  > EOF
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  $ hg repack
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  $ sleep 0.5
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  $ hg debugwaitonrepack >/dev/null 2>%1
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  $ find $CACHEDIR | sort | grep ".datapack\|.histpack"
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  $TESTTMP/hgcache/master/packs/7bcd2d90b99395ca43172a0dd24e18860b2902f9.histpack
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  $TESTTMP/hgcache/master/packs/dc8f8fdc76690ce27791ce9f53a18da379e50d37.datapack
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# Ensure that all file versions were prefetched
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  $ hg debugdatapack `ls -ct $TESTTMP/hgcache/master/packs/*.datapack | head -n 1`
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  $TESTTMP/hgcache/master/packs/dc8f8fdc76690ce27791ce9f53a18da379e50d37:
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  x:
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  Node          Delta Base    Delta Length  Blob Size
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  1406e7411862  000000000000  2             2
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  Total:                      2             2         (0.0% bigger)
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  y:
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  Node          Delta Base    Delta Length  Blob Size
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  50dbc4572b8e  000000000000  3             3
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  076f5e2225b3  50dbc4572b8e  14            2
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  Total:                      17            5         (240.0% bigger)