doc: update 1.7 release notes, tuning, TODO

[public-inbox.git] / Documentation / public-inbox-tuning.pod

diff --git a/Documentation/public-inbox-tuning.pod b/Documentation/public-inbox-tuning.pod
index f5a25676b7aab830b91c5679fd13e70041b10b28..b3a2b411e320faef819473a01e5d181c76415de1 100644 (file)
--- a/Documentation/public-inbox-tuning.pod
+++ b/Documentation/public-inbox-tuning.pod
@@ -55,6 +55,15 @@ public-inbox processes.
 More (optional) L<Inline::C> use will be introduced in the future
 to lower memory use and improve scalability.
 
+=head2 libgit2 usage via Inline::C
+
+If libgit2 development files are installed and L<Inline::C>
+is enabled (described above), per-inbox C<git cat-file --batch>
+processes are replaced with a single L<perl(1)> process running
+C<PublicInbox::Gcf2::loop> in read-only daemons.
+
+Available as of public-inbox 1.7.0.
+
 =head2 Performance on rotational hard disk drives
 
 Random I/O performance is poor on rotational HDDs.  Xapian indexing
@@ -151,6 +160,6 @@ L<http://hjrcffqmbrq6wope.onion/meta/>, and other places
 
 =head1 COPYRIGHT
 
-Copyright 2020 all contributors L<mailto:meta@public-inbox.org>
+Copyright 2020-2021 all contributors L<mailto:meta@public-inbox.org>
 
 License: AGPL-3.0+ L<https://www.gnu.org/licenses/agpl-3.0.txt>