50f26bd035
The commit-graph feature is now on by default, and is being written during 'git gc' by default. Typically, Git only writes a commit-graph when a 'git gc --auto' command passes the gc.auto setting to actualy do work. This means that a commit-graph will typically fall behind the commits that are being used every day. To stay updated with the latest commits, add a step to 'git fetch' to write a commit-graph after fetching new objects. The fetch.writeCommitGraph config setting enables writing a split commit-graph, so on average the cost of writing this file is very small. Occasionally, the commit-graph chain will collapse to a single level, and this could be slow for very large repos. For additional use, adjust the default to be true when feature.experimental is enabled. Signed-off-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
38 lines
1.9 KiB
Plaintext
38 lines
1.9 KiB
Plaintext
feature.*::
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The config settings that start with `feature.` modify the defaults of
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a group of other config settings. These groups are created by the Git
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developer community as recommended defaults and are subject to change.
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In particular, new config options may be added with different defaults.
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feature.experimental::
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Enable config options that are new to Git, and are being considered for
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future defaults. Config settings included here may be added or removed
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with each release, including minor version updates. These settings may
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have unintended interactions since they are so new. Please enable this
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setting if you are interested in providing feedback on experimental
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features. The new default values are:
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+
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* `pack.useSparse=true` uses a new algorithm when constructing a pack-file
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which can improve `git push` performance in repos with many files.
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+
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* `fetch.negotiationAlgorithm=skipping` may improve fetch negotiation times by
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skipping more commits at a time, reducing the number of round trips.
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+
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* `fetch.writeCommitGraph=true` writes a commit-graph after every `git fetch`
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command that downloads a pack-file from a remote. Using the `--split` option,
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most executions will create a very small commit-graph file on top of the
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existing commit-graph file(s). Occasionally, these files will merge and the
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write may take longer. Having an updated commit-graph file helps performance
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of many Git commands, including `git merge-base`, `git push -f`, and
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`git log --graph`.
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feature.manyFiles::
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Enable config options that optimize for repos with many files in the
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working directory. With many files, commands such as `git status` and
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`git checkout` may be slow and these new defaults improve performance:
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+
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* `index.version=4` enables path-prefix compression in the index.
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+
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* `core.untrackedCache=true` enables the untracked cache. This setting assumes
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that mtime is working on your machine.
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