Git · Senior · Question 74 of 76

What is the cost of a very large number of refs (for example millions of PR refs)?

✓Correct answer: Fetch and ref advertisement get slower
2Branches stop accepting new commits
3Every commit becomes larger on disk

Explanation

Protocol v2 and packed refs help, and hosts hide PR refs from default fetches. Custom refspecs fetch only what you need.

Further reading

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