Time and Space Tradeoffs in Version Control Storage

Time and Space Tradeoffs in Version Control Storage: "Storage is one of the most difficult challenges for a version control system.� For every file, we must store every version that has ever existed.� The logical size of a version control repository never shrinks.� It just keeps growing and growing, and every old version needs to remain available.

So, what is the best way to store every version of everything?"