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KernelTrap: Importing The Kernel Into git, Merging

Apr 20, 2005, 08:30 (0 Talkback[s])

"Over the weekend, Thomas Gleixner and Igno Molnar both managed to separately import the complete kernel history into git format. Thomas worked using BitKeeper to export and create his tree, while Ingo used only the CVS tree as a source. Thomas noted that the archive, which contains 3 years of development history, is comprised of 500,000 objects using 3.2 GiB of disk space. Linus commented that he was very happy with this, 'mainly because it seems to match my estimates to a tee. Which means that I just feel that much more confident about git actually being able to handle the kernel long-term, and not just as a stop-gap measure.' In another email, he went on to note, 'the roughly 10x expansion of archive size going from BK to git ends up in a similar 10x bandwidth expansion, in addition to just the overhead of reading tons of directory entries and comparing them (which is what both a wget and rsync thing ends up doing). I'm sure we can bring that down with smarter synchronization tools, but I also suspect that's some way away...'"

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