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Last active July 21, 2022 15:13
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Speed up performance of large git repos
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gitPerf.md

Git Perf Improvements

  • Enable git config feature.manyFiles true to opt in to a few settings to help speed up large repos. At time of writing it sets index.version=4 and core.untrackedCache=true
  • Run git gc to garbage collect unreachable objects, clean up reflog. Under the hood this runs git prune && git repack && git rerere
  • Do you have a slow startup time for new shell sessions? Many devs are using some prompt that shows git status in your prompt. After every command it will use git to check the status of your index. When git is slow in general, this will slow down your interactive shells. One quick solution is to disable that status check in your prompt. For zsh you can do that by running git config oh-my-zsh.hide-info true, add a --global flag if you want to set this option globally.
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