Documentation / config / feature.txton commit repo-settings: create feature.manyFiles setting (c6cc4c5)
   1feature.*::
   2        The config settings that start with `feature.` modify the defaults of
   3        a group of other config settings. These groups are created by the Git
   4        developer community as recommended defaults and are subject to change.
   5        In particular, new config options may be added with different defaults.
   6
   7feature.manyFiles::
   8        Enable config options that optimize for repos with many files in the
   9        working directory. With many files, commands such as `git status` and
  10        `git checkout` may be slow and these new defaults improve performance:
  11+
  12* `index.version=4` enables path-prefix compression in the index.
  13+
  14* `core.untrackedCache=true` enables the untracked cache. This setting assumes
  15that mtime is working on your machine.