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annulen/partial_clone.md

Created March 27, 2020 21:07
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partial_clone.md

All measurements done with Git 2.26.0

1. Simple shallow clone with partial checkout

REPO="clone-1"
git clone --depth=1 --no-checkout git@github.com:qtwebkit/qtwebkit.git $REPO
cd $REPO
git sparse-checkout init
git sparse-checkout set '/*' '!LayoutTests'

Time:

real 234,06
user 34,66
sys 7,35

.git size: 1.1G

2. Partial clone with full history

REPO="clone-2"
git clone --filter=blob:none --no-checkout git@github.com:qtwebkit/qtwebkit.git $REPO
cd $REPO
git sparse-checkout init
git sparse-checkout set '/*' '!LayoutTests'

Time:

real 286,72
user 47,34
sys 7,87

.git size: 1.2G

3. Partial shallow clone

REPO="clone-3"
git clone --depth=1 --filter=blob:none --no-checkout git@github.com:qtwebkit/qtwebkit.git $REPO
cd $REPO
git sparse-checkout init
git sparse-checkout set '/*' '!LayoutTests'

Time:

real 1032,70
user 298,79
sys 52,29

.git size: 4,1G

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