Index: branches/RC/admin/install/upgrades/inportal_upgrade_v4.3.1.sql
===================================================================
diff -u -r10500 -r10508
--- branches/RC/admin/install/upgrades/inportal_upgrade_v4.3.1.sql	(.../inportal_upgrade_v4.3.1.sql)	(revision 10500)
+++ branches/RC/admin/install/upgrades/inportal_upgrade_v4.3.1.sql	(.../inportal_upgrade_v4.3.1.sql)	(revision 10508)
@@ -11,5 +11,7 @@
 DELETE FROM Cache WHERE VarName = 'sections_parsed';
 DELETE FROM Cache WHERE VarName LIKE 'mod_rw_%';
 
+OPTIMIZE TABLE Cache, SessionData, UserSession;
+
 UPDATE Modules SET Version = '4.3.1' WHERE Name = 'Core';
 UPDATE Modules SET Version = '4.3.1' WHERE Name = 'In-Portal';
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