diff --git a/core/core.api.php b/core/core.api.php
index fbededa..23be3cf 100644
--- a/core/core.api.php
+++ b/core/core.api.php
@@ -607,7 +607,7 @@
  * @endcode
  *
  * For cache bins that are stored in the database, the number of rows is limited
- * to 10,000 by default. This can be changed for all database cache bins:
+ * to 5000 by default. This can be changed for all database cache bins:
  * @code
  *  $settings['database_cache_max_rows']['default'] = 50000;
  * @endcode
diff --git a/core/lib/Drupal/Core/Cache/DatabaseBackend.php b/core/lib/Drupal/Core/Cache/DatabaseBackend.php
index a9983e6..7860ed0 100644
--- a/core/lib/Drupal/Core/Cache/DatabaseBackend.php
+++ b/core/lib/Drupal/Core/Cache/DatabaseBackend.php
@@ -19,7 +19,7 @@ class DatabaseBackend implements CacheBackendInterface {
   /**
    * The default maximum number of rows that this cache bin table can store.
    */
-  const DEFAULT_MAX_ROWS = 10000;
+  const DEFAULT_MAX_ROWS = 5000;
 
   /**
    * -1 means "no maximum".