Add warning about secondary index in the 2.8 release notes
Add a warning that after enabling the secondary index the index must
be built before restarting Gerrit.
This is already mentioned in the configuration documentation, but it
doesn't hurt to also mention it in the release notes.
Change-Id: I34de772112396f0863225d6ac50aff04698fc6e4
diff --git a/ReleaseNotes/ReleaseNotes-2.8.txt b/ReleaseNotes/ReleaseNotes-2.8.txt
index 5bc2749..eadc472 100644
--- a/ReleaseNotes/ReleaseNotes-2.8.txt
+++ b/ReleaseNotes/ReleaseNotes-2.8.txt
@@ -88,6 +88,11 @@
* Regular expressions are allowed in `file` searches.
+*WARNING:* After enabling the secondary index, the index must be built using the
+link:https://gerrit-documentation.storage.googleapis.com/Documentation/2.8/pgm-reindex.html[
+reindex program before restarting the Gerrit server.
+
+
Configuration
~~~~~~~~~~~~~
