test-sparse-revlog.t
124 lines
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| text/troff
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Tads3Lexer
/ tests / test-sparse-revlog.t
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r39527 | ==================================== | ||
Test delta choice with sparse revlog | ||||
==================================== | ||||
Sparse-revlog usually shows the most gain on Manifest. However, it is simpler | ||||
to general an appropriate file, so we test with a single file instead. The | ||||
goal is to observe intermediate snapshot being created. | ||||
We need a large enough file. Part of the content needs to be replaced | ||||
repeatedly while some of it changes rarely. | ||||
$ bundlepath="$TESTDIR/artifacts/cache/big-file-churn.hg" | ||||
$ expectedhash=`cat "$bundlepath".md5` | ||||
$ if [ ! -f "$bundlepath" ]; then | ||||
> echo 'skipped: missing artifact, run "'"$TESTDIR"'/artifacts/scripts/generate-churning-bundle.py"' | ||||
> exit 80 | ||||
> fi | ||||
$ currenthash=`f -M "$bundlepath" | cut -d = -f 2` | ||||
$ if [ "$currenthash" != "$expectedhash" ]; then | ||||
> echo 'skipped: outdated artifact, md5 "'"$currenthash"'" expected "'"$expectedhash"'" run "'"$TESTDIR"'/artifacts/scripts/generate-churning-bundle.py"' | ||||
> exit 80 | ||||
> fi | ||||
$ cat >> $HGRCPATH << EOF | ||||
> [format] | ||||
> sparse-revlog = yes | ||||
> [storage] | ||||
> revlog.optimize-delta-parent-choice = yes | ||||
> EOF | ||||
$ hg init sparse-repo | ||||
$ cd sparse-repo | ||||
$ hg unbundle $bundlepath | ||||
adding changesets | ||||
adding manifests | ||||
adding file changes | ||||
added 5001 changesets with 5001 changes to 1 files (+89 heads) | ||||
new changesets 9706f5af64f4:d9032adc8114 (5001 drafts) | ||||
(run 'hg heads' to see heads, 'hg merge' to merge) | ||||
$ hg up | ||||
1 files updated, 0 files merged, 0 files removed, 0 files unresolved | ||||
updated to "d9032adc8114: commit #5000" | ||||
89 other heads for branch "default" | ||||
$ hg log --stat -r 0:3 | ||||
changeset: 0:9706f5af64f4 | ||||
user: test | ||||
date: Thu Jan 01 00:00:00 1970 +0000 | ||||
summary: initial commit | ||||
SPARSE-REVLOG-TEST-FILE | 10500 ++++++++++++++++++++++++++++++++++++++++++++++ | ||||
1 files changed, 10500 insertions(+), 0 deletions(-) | ||||
changeset: 1:724907deaa5e | ||||
user: test | ||||
date: Thu Jan 01 00:00:00 1970 +0000 | ||||
summary: commit #1 | ||||
SPARSE-REVLOG-TEST-FILE | 1068 +++++++++++++++++++++++----------------------- | ||||
1 files changed, 534 insertions(+), 534 deletions(-) | ||||
changeset: 2:62c41bce3e5d | ||||
user: test | ||||
date: Thu Jan 01 00:00:00 1970 +0000 | ||||
summary: commit #2 | ||||
SPARSE-REVLOG-TEST-FILE | 1068 +++++++++++++++++++++++----------------------- | ||||
1 files changed, 534 insertions(+), 534 deletions(-) | ||||
changeset: 3:348a9cbd6959 | ||||
user: test | ||||
date: Thu Jan 01 00:00:00 1970 +0000 | ||||
summary: commit #3 | ||||
SPARSE-REVLOG-TEST-FILE | 1068 +++++++++++++++++++++++----------------------- | ||||
1 files changed, 534 insertions(+), 534 deletions(-) | ||||
$ f -s .hg/store/data/*.d | ||||
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r39528 | .hg/store/data/_s_p_a_r_s_e-_r_e_v_l_o_g-_t_e_s_t-_f_i_l_e.d: size=72315280 | ||
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r39527 | $ hg debugrevlog * | ||
format : 1 | ||||
flags : generaldelta | ||||
revisions : 5001 | ||||
merges : 625 (12.50%) | ||||
normal : 4376 (87.50%) | ||||
revisions : 5001 | ||||
empty : 0 ( 0.00%) | ||||
text : 0 (100.00%) | ||||
delta : 0 (100.00%) | ||||
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r39528 | snapshot : 145 ( 2.90%) | ||
lvl-0 : 15 ( 0.30%) | ||||
lvl-1 : 130 ( 2.60%) | ||||
deltas : 4856 (97.10%) | ||||
revision size : 72315280 | ||||
snapshot : 18481085 (25.56%) | ||||
lvl-0 : 3016019 ( 4.17%) | ||||
lvl-1 : 15465066 (21.39%) | ||||
deltas : 53834195 (74.44%) | ||||
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r39527 | |||
chunks : 5001 | ||||
0x78 (x) : 5001 (100.00%) | ||||
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r39528 | chunks size : 72315280 | ||
0x78 (x) : 72315280 (100.00%) | ||||
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r39527 | |||
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r39528 | avg chain length : 18 | ||
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r39527 | max chain length : 45 | ||
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r39528 | max chain reach : 32095083 | ||
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r39527 | compression ratio : 23 | ||
uncompressed data size (min/max/avg) : 346468 / 346472 / 346471 | ||||
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r39528 | full revision size (min/max/avg) : 200990 / 201151 / 201067 | ||
inter-snapshot size (min/max/avg) : 37202 / 173034 / 118962 | ||||
level-1 (min/max/avg) : 37202 / 173034 / 118962 | ||||
delta size (min/max/avg) : 10649 / 104791 / 11086 | ||||
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r39527 | |||
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r39528 | deltas against prev : 4185 (86.18%) | ||
where prev = p1 : 4139 (98.90%) | ||||
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r39527 | where prev = p2 : 0 ( 0.00%) | ||
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r39528 | other : 46 ( 1.10%) | ||
deltas against p1 : 647 (13.32%) | ||||
deltas against p2 : 24 ( 0.49%) | ||||
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r39527 | deltas against other : 0 ( 0.00%) | ||