Limit records to be indexed per run

include/class.search.php

@@ -478,7 +478,7 @@ class MysqlSearchBackend extends SearchBackend {
             LEFT JOIN `".TABLE_PREFIX."_search` A2 ON (A1.`id` = A2.`object_id` AND A2.`object_type`='H')
             WHERE A2.`object_id` IS NULL AND (A1.poster <> 'SYSTEM')
             AND (LENGTH(A1.`title`) + LENGTH(A1.`body`) > 0)
-            ORDER BY A1.`id` DESC";
+            ORDER BY A1.`id` DESC LIMIT 500";
         if (!($res = db_query_unbuffered($sql, $auto_create)))
             return false;
 
@@ -498,7 +498,7 @@ class MysqlSearchBackend extends SearchBackend {
         $sql = "SELECT A1.`ticket_id` FROM `".TICKET_TABLE."` A1
             LEFT JOIN `".TABLE_PREFIX."_search` A2 ON (A1.`ticket_id` = A2.`object_id` AND A2.`object_type`='T')
             WHERE A2.`object_id` IS NULL
-            ORDER BY A1.`ticket_id` DESC";
+            ORDER BY A1.`ticket_id` DESC LIMIT 300";
         if (!($res = db_query_unbuffered($sql, $auto_create)))
             return false;