diff --git a/fe/fe-core/src/main/java/com/starrocks/common/Config.java b/fe/fe-core/src/main/java/com/starrocks/common/Config.java
index 00d309f953a199..9bb0fa4e3f9ef1 100644
--- a/fe/fe-core/src/main/java/com/starrocks/common/Config.java
+++ b/fe/fe-core/src/main/java/com/starrocks/common/Config.java
@@ -1720,7 +1720,7 @@ public class Config extends ConfigBase {
      * iceberg metadata memory cache total size, default 512MB
      */
     @ConfField(mutable = true)
-    public static long iceberg_metadata_memory_cache_capacity = 536870912L;
+    public static long iceberg_metadata_memory_cache_capacity = 0L;
 
     /**
      * iceberg metadata memory cache expiration time, default 86500s
@@ -1732,7 +1732,7 @@ public class Config extends ConfigBase {
      * enable iceberg metadata disk cache, default false
      */
     @ConfField(mutable = true)
-    public static boolean enable_iceberg_metadata_disk_cache = false;
+    public static boolean enable_iceberg_metadata_disk_cache = true;
 
     /**
      * iceberg metadata disk cache total size, default 2GB