diff --git a/src/main/java/com/alibaba/druid/stat/JdbcDataSourceStat.java b/src/main/java/com/alibaba/druid/stat/JdbcDataSourceStat.java
index bc83ed2b80..d87e8acba2 100644
--- a/src/main/java/com/alibaba/druid/stat/JdbcDataSourceStat.java
+++ b/src/main/java/com/alibaba/druid/stat/JdbcDataSourceStat.java
@@ -47,7 +47,7 @@ public class JdbcDataSourceStat implements JdbcDataSourceStatMBean {
     private final LinkedHashMap<String, JdbcSqlStat>            sqlStatMap     = new LinkedHashMap<String, JdbcSqlStat>(
                                                                                                                         maxSize,
                                                                                                                         0.75f,
-                                                                                                                        true);
+                                                                                                                        false);
 
     // private final ConcurrentMap<String, JdbcSqlStat> sqlStatMap = new ConcurrentHashMap<String, JdbcSqlStat>();
 
diff --git a/src/main/java/com/alibaba/druid/wall/WallProvider.java b/src/main/java/com/alibaba/druid/wall/WallProvider.java
index b99f34ad51..31e5c53093 100644
--- a/src/main/java/com/alibaba/druid/wall/WallProvider.java
+++ b/src/main/java/com/alibaba/druid/wall/WallProvider.java
@@ -40,7 +40,7 @@ public abstract class WallProvider {
         lock.writeLock().lock();
         try {
             if (whiteList == null) {
-                whiteList = new LinkedHashMap<String, Object>(whileListMaxSize, 0.75f, true);
+                whiteList = new LinkedHashMap<String, Object>(whileListMaxSize, 0.75f, false);
             }
 
             whiteList.put(sql, PRESENT);
diff --git a/src/test/java/com/alibaba/druid/pool/TestMockPerf.java b/src/test/java/com/alibaba/druid/pool/TestMockPerf.java
index 0846bc02eb..f2fb094151 100644
--- a/src/test/java/com/alibaba/druid/pool/TestMockPerf.java
+++ b/src/test/java/com/alibaba/druid/pool/TestMockPerf.java
@@ -16,7 +16,7 @@ public class TestMockPerf extends TestCase {
         dataSource.setMinIdle(3);
         dataSource.setMaxActive(20);
         dataSource.setDbType("mysql");
-        dataSource.setFilters("stat");
+        dataSource.setFilters("wall");
         dataSource.init();
     }