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repository-limits.md

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title intro versions topics
Repository limits
Learn about limitations for repositories.
fpt ghes ghec
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Repositories

Certain types of repository resources can be quite large, requiring excessive processing on {% data variables.product.github %}. Because of this, limits are set to ensure requests complete in a reasonable amount of time.

Most of the limits below affect both {% data variables.product.github %} and the API.

Text limits

{% data variables.product.prodname_dotcom %} displays formatted previews of some files, such as Markdown and Mermaid diagrams. {% data variables.product.prodname_dotcom %} always attempts to render these previews if the files are small (generally less than 2 MB), but more complex files may time out and either fall back to plain text or not be displayed at all. These files are always available in their raw formats, which are served through {% data variables.product.raw_github_com %}; for example, https://{% data variables.product.raw_github_com %}/octocat/Spoon-Knife/master/index.html. Click the Raw button to get the raw URL for a file.

Diff limits

Because diffs can become very large, we impose these limits on diffs for commits, pull requests, and compare views:

  • In a pull request, no total diff may exceed 20,000 lines that you can load or 1 MB of raw diff data.
  • No single file's diff may exceed 20,000 lines that you can load or 500 KB of raw diff data. Four hundred lines and 20 KB are automatically loaded for a single file.
  • The maximum number of files in a single diff is limited to 300.
  • The maximum number of renderable files (such as images, PDFs, and GeoJSON files) in a single diff is limited to 25.

Some portions of a limited diff may be displayed, but anything exceeding the limit is not shown.

Commit listings limits

The compare view and pull requests pages display a list of commits between the base and head revisions. These lists are limited to 250 commits. If they exceed that limit, a note indicates that additional commits are present (but they're not shown).

The maximum count of commits displayed on the Commits tab is 10,000. Use other tools such as git rev-list --count mybranch to count and enumerate a high volume of commits when needed.

{% ifversion fpt or ghec or ghes > 3.16 %}

Rebase limits

Merging a pull request using the "Rebase and merge" option is limited to 100 commits. If you have a pull request with more than 100 commits, you need to create a merge commit, squash and merge, or split the commits up into multiple pull requests.

{% endif %}

Organization Limits

If a repository owner exceeds 100,000 repositories, some UI experiences and API functionality may be degraded. For more information, see AUTOTITLE.