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54 lines
1.3 KiB
54 lines
1.3 KiB
#!/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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