According to [1] using 3 letters you'd need at least 72 commits to have at least 50% chance to observe a clash. Using 6 letters you'd need at least 3977 commits, lol.
[1] https://en.wikipedia.org/wiki/Birthday_problem#The_generaliz...
I use six character hashes, I don’t recall that I’ve had a collision yet. But I guess I’m “due”. :-)
I use six character hashes, I don’t recall that I’ve had a collision yet. But I guess I’m “due”. :-)