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| author |  Jiang Xin <worldhello.net@gmail.com> | 2021-10-30 09:34:30 +0800 |
|---|---|---|
| committer | Jiang Xin <worldhello.net@gmail.com> | 2021-10-30 09:34:30 +0800 |
| commit | cd9ef9ce67bf2934845a6a76a1ecdbc9a5f7a6e0 (patch) | |
| tree | ba34cf45622ddcd8e9d250a048661a7e6a8a35ee /Documentation/technical/multi-pack-index.txt | |
| parent | Merge branch 'master' of github.com:nafmo/git-l10n-sv (diff) | |
| parent | Git 2.34-rc0 (diff) | |
| download | tgif-cd9ef9ce67bf2934845a6a76a1ecdbc9a5f7a6e0.tar.xz | |
Merge branch 'master' of github.com:git/git
* 'master' of github.com:git/git: (762 commits)
Git 2.34-rc0
wrapper: remove xunsetenv()
log: document --encoding behavior on iconv() failure
Revert "logmsg_reencode(): warn when iconv() fails"
completion: fix incorrect bash/zsh string equality check
add, rm, mv: fix bug that prevents the update of non-sparse dirs
git-bundle.txt: add missing words and punctuation
Documentation/Makefile: fix lint-docs mkdir dependency
submodule: drop unused sm_name parameter from append_fetch_remotes()
The fifteenth batch
gitweb.txt: change "folder" to "directory"
gitignore.txt: change "folder" to "directory"
git-multi-pack-index.txt: change "folder" to "directory"
git.txt: fix typo
archive: describe compression level option
config.txt: fix typo
command-list.txt: remove 'sparse-index' from main help
userdiff-cpp: back out the digit-separators in numbers
submodule--helper: fix incorrect newlines in an error message
branch (doc): -m/-c copies config and reflog
...
Diffstat (limited to 'Documentation/technical/multi-pack-index.txt')
| -rw-r--r-- | Documentation/technical/multi-pack-index.txt | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/Documentation/technical/multi-pack-index.txt b/Documentation/technical/multi-pack-index.txt index fb688976c4..86f40f2490 100644 --- a/Documentation/technical/multi-pack-index.txt +++ b/Documentation/technical/multi-pack-index.txt @@ -36,7 +36,9 @@ Design Details directory of an alternate. It refers only to packfiles in that same directory. -- The core.multiPackIndex config setting must be on to consume MIDX files. +- The core.multiPackIndex config setting must be on (which is the + default) to consume MIDX files. Setting it to `false` prevents + Git from reading a MIDX file, even if one exists. - The file format includes parameters for the object ID hash function, so a future change of hash algorithm does not require @@ -71,14 +73,10 @@ Future Work still reducing the number of binary searches required for object lookups. -- The reachability bitmap is currently paired directly with a single - packfile, using the pack-order as the object order to hopefully - compress the bitmaps well using run-length encoding. This could be - extended to pair a reachability bitmap with a multi-pack-index. If - the multi-pack-index is extended to store a "stable object order" +- If the multi-pack-index is extended to store a "stable object order" (a function Order(hash) = integer that is constant for a given hash, - even as the multi-pack-index is updated) then a reachability bitmap - could point to a multi-pack-index and be updated independently. + even as the multi-pack-index is updated) then MIDX bitmaps could be + updated independently of the MIDX. - Packfiles can be marked as "special" using empty files that share the initial name but replace ".pack" with ".keep" or ".promisor". |