diff --git a/docs/layouts/shortcodes/generated/catalog_configuration.html b/docs/layouts/shortcodes/generated/catalog_configuration.html
index a546a2637a85..c7449eeb6666 100644
--- a/docs/layouts/shortcodes/generated/catalog_configuration.html
+++ b/docs/layouts/shortcodes/generated/catalog_configuration.html
@@ -58,7 +58,7 @@
         </tr>
         <tr>
             <td><h5>cache.manifest.small-file-threshold</h5></td>
-            <td style="word-wrap: break-word;">512 kb</td>
+            <td style="word-wrap: break-word;">1 mb</td>
             <td>MemorySize</td>
             <td>Controls the threshold of small manifest file.</td>
         </tr>
diff --git a/paimon-common/src/main/java/org/apache/paimon/options/CatalogOptions.java b/paimon-common/src/main/java/org/apache/paimon/options/CatalogOptions.java
index ee42b09d4388..d9758d4b02ab 100644
--- a/paimon-common/src/main/java/org/apache/paimon/options/CatalogOptions.java
+++ b/paimon-common/src/main/java/org/apache/paimon/options/CatalogOptions.java
@@ -114,7 +114,7 @@ public class CatalogOptions {
     public static final ConfigOption<MemorySize> CACHE_MANIFEST_SMALL_FILE_THRESHOLD =
             key("cache.manifest.small-file-threshold")
                     .memoryType()
-                    .defaultValue(MemorySize.ofKibiBytes(512))
+                    .defaultValue(MemorySize.ofMebiBytes(1))
                     .withDescription("Controls the threshold of small manifest file.");
 
     public static final ConfigOption<MemorySize> CACHE_MANIFEST_MAX_MEMORY =