diff -r cae198371548 -r c5fff93d3a1c server/checkintegrity.py
--- a/server/checkintegrity.py	Wed Jul 04 11:01:51 2012 +0200
+++ b/server/checkintegrity.py	Fri Jul 06 09:00:30 2012 +0200
@@ -136,6 +136,8 @@
     for eschema in etypes:
         rset = session.execute('Any X WHERE X is %s' % eschema)
         source.fti_index_entities(session, rset.entities())
+        # clear entity cache to avoid high memory consumption on big tables
+        session.drop_entity_cache()
         if withpb:
             pb.update()