# HG changeset patch
# User Sebastien Jodogne <s.jodogne@gmail.com>
# Date 1603218663 -7200
# Node ID 034895d2432a58a16efeb12545378ff3b7e56732
# Parent  fcf614950f31336b1bb15bea006f7061e0e081ab
vacuum

diff -r fcf614950f31 -r 034895d2432a Sphinx/source/faq/scalability.rst
--- a/Sphinx/source/faq/scalability.rst	Tue Oct 20 16:26:28 2020 +0200
+++ b/Sphinx/source/faq/scalability.rst	Tue Oct 20 20:31:03 2020 +0200
@@ -97,6 +97,12 @@
 * Make sure to read guides about the `tuning of PostgreSQL
   <https://wiki.postgresql.org/wiki/Performance_Optimization>`__.
 
+* Make sure to periodically run the ``VACUUM`` SQL command on the
+  PostgreSQL database in order to `reclaim the storage space
+  <https://www.postgresql.org/docs/current/sql-vacuum.html>`__ that is
+  occupied by rows that have been deleted from the database (e.g. in a
+  cron job).
+
 * You might also be interested in checking the options related to
   :ref:`security <security>`.