[Request] [+- ] D11810: docs: fix typos and wording for the persistent-nodemap feature
Alphare (Raphaël Gomès)
phabricator at mercurial-scm.org
Fri Nov 26 13:31:09 UTC 2021
Alphare created this revision.
Alphare added a comment.
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Pending CI refresh
REPOSITORY
rHG Mercurial
BRANCH
default
REVISION DETAIL
https://phab.mercurial-scm.org/D11810
AFFECTED FILES
mercurial/helptext/config.txt
CHANGE DETAILS
diff --git a/mercurial/helptext/config.txt b/mercurial/helptext/config.txt
--- a/mercurial/helptext/config.txt
+++ b/mercurial/helptext/config.txt
@@ -923,26 +923,28 @@
``use-persistent-nodemap``
Enable or disable the "persistent-nodemap" feature which improves
- performance if the rust extensions are available.
-
- The "persistence-nodemap" persist the "node -> rev" on disk removing the
+ performance if the Rust extensions are available.
+
+ The "persistent-nodemap" persist the "node -> rev" on disk removing the
need to dynamically build that mapping for each Mercurial invocation. This
- significantly reduce the startup cost of various local and server-side
- operation for larger repository.
-
- The performance improving version of this feature is currently only
- implemented in Rust, so people not using a version of Mercurial compiled
- with the Rust part might actually suffer some slowdown. For this reason,
- Such version will by default refuse to access such repositories. That
- behavior can be controlled by configuration. Check
+ significantly reduces the startup cost of various local and server-side
+ operation for larger repositories.
+
+ The performance-improving version of this feature is currently only
+ implemented in Rust (see :hg:`help rust`), so people not using a version of
+ Mercurial compiled with the Rust parts might actually suffer some slowdown.
+ For this reason, such versions will by default refuse to access repositories
+ with "persistent-nodemap".
+
+ This behavior can be adjusted via configuration: check
:hg:`help config.storage.revlog.persistent-nodemap.slow-path` for details.
- Repository with this on-disk format require Mercurial version 5.4 or above.
-
- By default this format variant is disabled if fast implementation is not
- available and enabled by default if the fast implementation is available.
-
- To accomodate install of Mercurial without the fast implementation you can
+ Repositories with this on-disk format require Mercurial 5.4 or above.
+
+ By default this format variant is disabled if the fast implementation is not
+ available, and enabled by default if the fast implementation is available.
+
+ To accomodate installs of Mercurial without the fast implementation, you can
downgrade your repository. To do so run the following command:
$ hg debugupgraderepo \
To: Alphare, #hg-reviewers
Cc: mercurial-patches, mercurial-devel
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