diff --git a/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php b/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php
index 677d9794a0..d60635068b 100644
--- a/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php
+++ b/core/lib/Drupal/Core/Database/Driver/mysql/Connection.php
@@ -189,6 +189,8 @@ public static function open(array &$connection_options = []) {
     }
     $connection_options['init_commands'] += [
       'sql_mode' => "SET sql_mode = '$sql_mode'",
+      // @todo remove - just seeing if this fixes diskspace issues.
+      'bin_log' => "SET sql_log_bin=0",
     ];
 
     // Execute initial commands.