Manual:InitEditCount.php/ja

詳細
initEditCount.php ファイルは、revision テーブルの行数に基づいて   データベース フィールドを初期化する保守スクリプトです.

Options
initEditCount.php accepts two options.

Background mode will be automatically used if multiple servers are listed in the load balancer, usually indicating a replication environment. So first it calculates counts of replica DB if it found it then script run job in background mode to avoids locking tables or lagging replica DBs with large updates.