Exploring new frontiers for Git push performance

Shikha Kaul

In previous posts I’ve talked about performance improvements that our team contributed to the Git community. At Microsoft, we’ve been pushing Git to its limits with the largest and busiest Git repositories on the planet, improving core Git as we go and sending these improvements back upstream. With Git 2.21.0 and later you can take advantage of a new sparse pack algorithm that we developed to dramatically improve the git push operation on large repos. For example, the Windows team saw a 7.7x performance boost once they enabled this new feature. In this post I want to explain the new sparse pack algorithm and why it improves performance.


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