Git LFS vs. Standard Git: Performance for Large Assets
Compare Git LFS with standard Git for large assets, including clone behavior, pointer files, LFS tracking, and when LFS is worth using.
Git LFS vs. Standard Git: Performance for Large Assets
Git LFS vs. standard Git becomes a real question when your repository starts carrying large binary assets. Source code usually compresses and diffs well, but videos, design files, game textures, model files, and large datasets can make clones slow and history hard to clean.
Git Large File Storage, usually called Git LFS, keeps the normal Git repository lighter by replacing selected files with small pointer files and storing the real content in an LFS object store. That tradeoff helps many teams, but it is not magic. You still need to choose the right files, commit the tracking rules, and understand when LFS downloads content.
The Performance Bottleneck of Standard Git
Standard Git stores committed content in its object database and keeps enough history to reconstruct every committed version. That works beautifully for text files. It works poorly when the same 200 MB binary file changes many times.
Two problems show up quickly:
- Binary formats such as JPEG, MP4, ZIP, PSD, and compiled artifacts often do not delta-compress well.
- Deleted files remain in history unless you rewrite history.
- New clones pay for old mistakes because the Git history still contains those old objects.
- Repository maintenance commands have more data to inspect and pack.
For example, if a team commits a large exported design file every sprint, removing the file from the current branch later does not remove its older versions from history. New developers and CI workers may still download data nobody actively uses.
Introducing Git Large File Storage (LFS)
Git LFS is an extension that manages selected files outside the normal Git object database. Your repository keeps a small text pointer. The actual file content lives in LFS storage provided by your Git host or another LFS server.
The Pointer System
An LFS pointer looks like this:
version https://git-lfs.github.com/spec/v1
oid sha256:4c2d44962ff3c43734e56598c199589d8995a643...a89c89
size 104857600
That pointer is what normal Git sees. The Git LFS client downloads the real file content when checkout or an explicit LFS command needs it.
Performance Comparison: LFS vs. Standard Git
| Operation | Standard Git | Git LFS |
|---|---|---|
| Initial clone | Downloads Git history that includes committed large objects | Downloads Git history with pointer files; LFS content may download during checkout depending on configuration |
| Repository growth | Large binaries can inflate .git history |
Git history stays smaller because tracked file content is external |
| Checkout | Uses objects already in the Git database | May need to fetch LFS objects for the checked-out commit |
| CI jobs | Can waste time downloading historical assets | Can skip or limit LFS downloads when builds do not need assets |
| Cleanup | Requires history rewriting to remove old committed blobs | Still requires care, but new LFS-tracked versions do not bloat normal Git history |
The important detail is checkout behavior. A plain git clone with Git LFS installed often downloads the LFS files needed for the checked-out commit. If you want pointers only, use GIT_LFS_SKIP_SMUDGE=1 during clone and fetch the files later with git lfs pull.
When to Use Git LFS
Git LFS is a good fit for files that are large, binary, and expected to change. Common examples include:
*.psd,*.tiff,*.blend, and other design or 3D assets.*.mp4,*.mov,*.wav, and other media files.- Large model files, test fixtures, or datasets required by the project.
- Compiled binaries only when the project has a clear reason to version them.
Do not put every file in LFS just because you can. Text files, source code, small config files, and files you want Git to diff normally should stay in standard Git.
Check your hosting provider's storage and bandwidth limits before adopting LFS. GitHub, GitLab, Bitbucket, and self-hosted platforms can differ in quotas, billing, and retention behavior.
Implementing Git LFS
Install the Git LFS client, then enable its hooks for your user:
git lfs install
Track the patterns you want LFS to manage:
git lfs track "*.psd"
git lfs track "assets/*.mp4"
Those commands create or update .gitattributes. Commit that file with the assets it affects:
git add .gitattributes assets/
git commit -m "Track design assets with Git LFS"
git push
If a large file was already committed to normal Git history, tracking it with LFS affects future commits only. To migrate existing history, use a migration tool such as git lfs migrate import, and coordinate carefully because history rewriting changes commit IDs.
To clone without downloading LFS content immediately, use:
GIT_LFS_SKIP_SMUDGE=1 git clone [email protected]:example/assets-heavy-repo.git
cd assets-heavy-repo
git lfs pull --include="assets/*.mp4"
Practical Takeaway
Use standard Git for source code and small text files. Use Git LFS for large binary assets that belong in the repository but should not inflate normal Git history.
For a team repository, add LFS rules early, commit .gitattributes, document how CI handles LFS downloads, and verify your host's LFS limits. That gives you the performance benefit without surprising developers during clone, checkout, or release builds.