Re: packs and trees
From: Linus Torvalds <torvalds@osdl.org>
Date: 2016-06-15 22:42:30
On Wed, 21 Jun 2006, Martin Langhoff wrote:
If you are asking about the ext3 performance problems, I think Linus discussed that a while ago, why unpacked repos are slow (in addition to huge), and there were some suggestions of using hashed directory indexes.
Yes. I think most distros still default to nonhashed directories, but for any large-directory case you really want to turn on hashing. I forget the exact details, it's somethng like tune2fs -O dir_index or something to turn it on (if I remember correctly, that will only affect any directories then created after that, but you can effect that by just doing a "git repack -a -d" which will remove all old object directories, and now subsequent directories will be done with indexing on). Personally, I just ended up using packs extensively, so I think I'm still running without indexing on all my machines ;) Linus