On Tue, 3 Apr 2007, Linus Torvalds wrote:
On Tue, 3 Apr 2007, Dana How wrote:
Larger and larger pack files make me nervous.
They are expensive to manipulate,
and >2GB requires a file format change.
It sometimes also requires a new filesystem. There are a lot of
filesystems that can handle more than 4GB total, but not necessarily in a
single file.
The only really useful such filesystem is probably FAT, which is still
quite useful for things like USB memory sticks. But that is probably
already worth supporting.
So I think we want to support 64-bit (or at least something like 40+ bit)
pack-files, but yes, I think that even if/when we support it, we still
want to support the "multiple smaller pack-files" schenario exactly
because for some uses it's much *better* to have ten 2GB packfiles rather
than one 20GB pack-file.
however, for historical archives you may end up with wanting to do a 2GB
packfile of 'recent' stuff, and a 14GB packfile of 'ancient' stuff (with the
large one built with all space-saving options turned up all the way, no matter
how much time it takes to build the pack)
David Lang
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