Fix for http://forum.yacy-websuche.de/viewtopic.php?f=6&t=2334

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6258 6c8d7289-2bf4-0310-a012-ef5d649a1542

source/de/anomic/kelondro/text/ReferenceContainerCache.java

@@ -427,8 +427,15 @@ public final class ReferenceContainerCache<ReferenceType extends Reference> exte
         synchronized (cache) {
             ReferenceContainer<ReferenceType> containerNew = cache.put(tha, container);
             if (containerNew == null) return;
-            container.putAllRecent(containerNew);
-        	cache.put(tha, container);
+            // Now merge the smaller container into the lager.
+            // The other way around can become very slow
+            if (container.size() >= containerNew.size()) { 
+                container.putAllRecent(containerNew);
+       	        cache.put(tha, container);
+            } else {
+                containerNew.putAllRecent(container);
+                cache.put(tha, containerNew);
+            }
         }
     }