Relaxed TransactionalCache

- Treating the shared cache like a database w.r.t. concurrency leads to too many conflicts,
   when it is quite reasonable to just throw the cached values away when in doubt.
Fixed cache size tracing


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@5949 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/cache/EhCacheTracerJob.java

@@ -82,7 +82,7 @@ public class EhCacheTracerJob implements Job
     {
         if (cacheManager == null)
         {
-            cacheManager = CacheManager.getInstance();
+            cacheManager = InternalEhCacheManagerFactoryBean.getInstance();
         }
         
         long maxHeapSize = Runtime.getRuntime().maxMemory();