imyjimmy imyjimmy -4 years ago 163
Git Question

Stopping a git gc --aggressive, is that a bad thing?

I am running a

git gc --aggressive
on a very large repo (apx 100 gb). It's been running since two nights ago, and as of a couple hours, it has been stuck on: "Compressing Objects: 99% (76496/76777)"

If I Ctrl-C the process, what are the consequences? Will my repo be unusable? My intuition says no, but I'd like some opinions. Thanks!

Answer Source

git is supposed to be always safe from interruptions like this. If you are worried, though, I suggest Ctrl+Z and then run a git fsck --full to make sure the system is consistent.

There are a number of git-config variables which might help your git-gc go faster. I use the following on one particular large repo, but there are many more options to randomly try (or carefully study, whichever).

git config pack.threads 1
git config pack.deltaCacheSize 1
git config core.packedGitWindowSize 16m
git config core.packedGitLimit 128m
git config pack.windowMemory 512m

These only help if your problem is that you are running out of memory.

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