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Re: [Gnu-arch-users] Re: [PATCH] arch speedups on big trees
From: |
Mark A. Flacy |
Subject: |
Re: [Gnu-arch-users] Re: [PATCH] arch speedups on big trees |
Date: |
07 Jan 2004 07:42:43 -0600 |
User-agent: |
Gnus/5.09 (Gnus v5.9.0) Emacs/21.2 |
>>>>> "Miles" == Miles Bader <address@hidden> writes:
Miles>
Miles> There's a big difference; a `signature database' like I'm talking about
Miles> is just an optimization:
Miles>
Miles> * It's allowed to be out-of-date or non-exstant -- and you have to
Miles> deal with these cases. However, for non-whole-tree operations like
Miles> changeset application, this sort of up-to-date verification is still
Miles> only per-file, so much, much faster than statting the whole tree
Miles>
Miles> * It's `central' (and perhaps monolithic, e.g., a single file or
Miles> indexed db file), and so is a lot easier to grok and update
Miles> efficiently, but doesn't have the automatically-sticks-
Miles> close-to-the-source properties of taglines or explicit tags.
"Easier to update efficiently" only if you don't allow concurrent access.
--
Mark A. Flacy
Any opinions expressed above are my own. Any facts expressed above
would imply that I know what I'm writing about. Sometimes, I do!
- Re: [Gnu-arch-users] [PATCH] arch speedups on big trees, Chris Mason, 2004/01/06
- Re: [Gnu-arch-users] [PATCH] arch speedups on big trees, Tom Lord, 2004/01/06
- Re: [Gnu-arch-users] [PATCH] arch speedups on big trees, Chris Mason, 2004/01/06
- Re: [Gnu-arch-users] [PATCH] arch speedups on big trees, Miles Bader, 2004/01/06
- Re: [Gnu-arch-users] [PATCH] arch speedups on big trees, Chris Mason, 2004/01/06
- [Gnu-arch-users] Re: [PATCH] arch speedups on big trees, Miles Bader, 2004/01/06
- [Gnu-arch-users] Re: [PATCH] arch speedups on big trees, Chris Mason, 2004/01/07
- [Gnu-arch-users] Re: [PATCH] arch speedups on big trees, Miles Bader, 2004/01/07
- [Gnu-arch-users] Re: [PATCH] arch speedups on big trees, Chris Mason, 2004/01/07
- Re: [Gnu-arch-users] Re: [PATCH] arch speedups on big trees,
Mark A. Flacy <=
- Re: [Gnu-arch-users] Re: [PATCH] arch speedups on big trees, Chris Mason, 2004/01/07
- Re: [Gnu-arch-users] Re: [PATCH] arch speedups on big trees, Charles Duffy, 2004/01/07
- [Gnu-arch-users] Re: [PATCH] arch speedups on big trees, Miles Bader, 2004/01/07
- [Gnu-arch-users] stat performance on AFS [was Re: [PATCH] arch speedups on big trees], Charles Duffy, 2004/01/07
- [Gnu-arch-users] Re: stat performance on AFS [was Re: [PATCH] arch speedups on big trees], Miles Bader, 2004/01/07
- [Gnu-arch-users] Re: stat performance on AFS [was Re: [PATCH] arch speedups on big trees], Charles Duffy, 2004/01/07
- [Gnu-arch-users] Re: [PATCH] arch speedups on big trees, Chris Mason, 2004/01/07
- Re: [Gnu-arch-users] Re: [PATCH] arch speedups on big trees, Chris Mason, 2004/01/07
- [Gnu-arch-users] Re: [PATCH] arch speedups on big trees, Miles Bader, 2004/01/07
- [Gnu-arch-users] Re: [PATCH] arch speedups on big trees, Chris Mason, 2004/01/08