Index: src/java/org/apache/solr/search/FastLRUCache.java
===================================================================
--- src/java/org/apache/solr/search/FastLRUCache.java	(revision 711763)
+++ src/java/org/apache/solr/search/FastLRUCache.java	(working copy)
@@ -69,15 +69,18 @@
     final int initialSize = str == null ? limit : Integer.parseInt(str);
     str = (String) args.get("autowarmCount");
     autowarmCount = str == null ? 0 : Integer.parseInt(str);
+    str = (String) args.get("newCleanThread");
+    boolean newThread = str == null ? false : Boolean.parseBoolean(str);
     
-    description = "Concurrent LRU Cache(maxSize=" + limit + ", initialSize=" + initialSize + ", minSize="+minLimit + ", acceptableSize="+acceptableLimit;
+    description = "Concurrent LRU Cache(maxSize=" + limit + ", initialSize=" + initialSize +
+            ", minSize="+minLimit + ", acceptableSize="+acceptableLimit+" ,newCleanThread ="+newThread;
     if (autowarmCount > 0) {
       description += ", autowarmCount=" + autowarmCount
               + ", regenerator=" + regenerator;
     }
     description += ')';
 
-    cache = new ConcurrentLRUCache(limit, minLimit, acceptableLimit, initialSize, false, false, -1);
+    cache = new ConcurrentLRUCache(limit, minLimit, acceptableLimit, initialSize, false, newThread , -1);
     cache.setAlive(false);
 
     if (persistence == null) {