doc: recommend -compact after --reindex

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

diff --git a/Documentation/public-inbox-index.pod b/Documentation/public-inbox-index.pod
index c15c1cacb9eb0930bd84f9cf2c3f0bdd40952015..6dc6a3aac6aa3f82fb8916e71c8e49c9b647b4c6 100644 (file)
--- a/Documentation/public-inbox-index.pod
+++ b/Documentation/public-inbox-index.pod
@@ -38,10 +38,18 @@ Forces a search engine re-index of all messages in the
 repository.  This can be used for in-place upgrades while
 NNTP/HTTP server processes are utilizing the index.  Keep in
 mind this roughly doubles the size of the already-large
-Xapian database.
+Xapian database.  Running L<public-inbox-compact(1)>
+afterwards is recommended to release free space.
 
 This does not touch the NNTP article number database.
 
+=item --prune
+
+Run L<git-gc(1)> to prune and expire reflogs if discontiguous history
+is detected.  This is intended to be used in mirrors after running
+L<public-inbox-edit(1)> or L<public-inbox-purge(1)> to ensure data
+is expunged from mirrors.
+
 =back
 
 =head1 FILES