in the configuration file. See L<public-inbox-config(5)> for more
info.
-Available since public-inbox 1.6.0 (PENDING).
+Available in public-inbox 1.6.0+.
Default: none.
-=item -N, --skip-artnum
+=item --skip-artnum
This option allows archivists to publish incomplete archives
with only new mail while allowing NNTP article numbers
There is no automatic way to use reserved NNTP article numbers
when old mail is found, yet.
-Available since public-inbox 1.6.0 (PENDING).
+Available in public-inbox 1.6.0+.
Default: unset, no NNTP article numbers are skipped
Control the number of Xapian index shards in a
C<-V2> (L<public-inbox-v2-format(5)>) inbox.
-It is useful to use a single shard (C<-j1>) for inboxes on
+It can be useful to use a single shard (C<-j1>) for inboxes on
high-latency storage (e.g. rotational HDD) unless the system has
enough RAM to cache 5-10x the size of the git repository.
-It is generally not useful to specify higher values than the
-default due to contention in the top-level producer process.
+Another approach for HDDs is to use the
+L<public-inbox-index(1)/publicInbox.indexSequentialShard> option
+and many shards, so each shard may fit into the kernel page
+cache. Unfortunately, excessive shards slows down read-only
+query performance.
-Default: the number of online CPUs, up to 4
+For fast storage, it is generally not useful to specify higher
+values than the default due to the top-level producer process
+being a bottleneck.
+
+Default: the number of online CPUs, up to 4 (3 shard workers, 1 producer)
+
+=item --skip-docdata
+
+Do not store document data in Xapian, reducing Xapian storage
+overhead by around 1.5%.
+
+Warning: this option prevents rollbacks to public-inbox 1.5.0
+and earlier.
+
+Available in public-inbox 1.6.0+.
=back
=head1 COPYRIGHT
-Copyright 2019-2020 all contributors L<mailto:meta@public-inbox.org>
+Copyright 2019-2021 all contributors L<mailto:meta@public-inbox.org>
License: AGPL-3.0+ L<https://www.gnu.org/licenses/agpl-3.0.txt>