55 lines
1.3 KiB
Bash
Executable File
55 lines
1.3 KiB
Bash
Executable File
#!/bin/sh
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test_description='performance of fetches from bitmapped packs'
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. ./perf-lib.sh
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test_fetch_bitmaps () {
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test_expect_success 'setup test directory' '
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rm -fr * .git
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'
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test_perf_default_repo
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test_expect_success 'create bitmapped server repo' '
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git config pack.writebitmaps true &&
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git config pack.writeBitmapLookupTable '"$1"' &&
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git repack -ad
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'
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# simulate a fetch from a repository that last fetched N days ago, for
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# various values of N. We do so by following the first-parent chain,
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# and assume the first entry in the chain that is N days older than the current
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# HEAD is where the HEAD would have been then.
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for days in 1 2 4 8 16 32 64 128; do
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title=$(printf '%10s' "($days days)")
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test_expect_success "setup revs from $days days ago" '
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now=$(git log -1 --format=%ct HEAD) &&
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then=$(($now - ($days * 86400))) &&
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tip=$(git rev-list -1 --first-parent --until=$then HEAD) &&
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{
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echo HEAD &&
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echo ^$tip
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} >revs
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'
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test_perf "server $title (lookup=$1)" '
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git pack-objects --stdout --revs \
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--thin --delta-base-offset \
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<revs >tmp.pack
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'
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test_size "size $title" '
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wc -c <tmp.pack
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'
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test_perf "client $title (lookup=$1)" '
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git index-pack --stdin --fix-thin <tmp.pack
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'
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done
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}
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test_fetch_bitmaps true
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test_fetch_bitmaps false
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test_done
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