diff -r d2fba1e3b94b -r 21fab44f46fe Command/ReorderTagsCommand.php
--- a/Command/ReorderTagsCommand.php	Wed Nov 09 16:25:13 2011 +0100
+++ b/Command/ReorderTagsCommand.php	Thu Nov 17 11:29:26 2011 +0100
@@ -54,7 +54,6 @@
         
         $done = 0;
         $iterable = $query->iterate();
-        $todetach = array();
         while (($row = $iterable->next()) !== false)
         {
             $done++;
@@ -66,17 +65,12 @@
             $doctrine->getEntityManager()->persist($doc);
             
             $search_service->reorderTagsForDocument($doc);
-            $todetach[] = $doc;
             
             
             if($done%100 == 0)
             {
                 $doctrine->getEntityManager()->flush();
                 $doctrine->getEntityManager()->clear();
-                /*foreach($todetach as $obj)
-                {
-                    $doctrine->getEntityManager()->detach($obj);
-                }*/
                 $todetach = array();
                 $output->writeln("memory : ".strval(memory_get_usage(true)));
             }