X-Database-Lag header

diff --git a/includes/Wiki.php b/includes/Wiki.php
index dbdec4a..612e58e 100644 (file)
--- a/includes/Wiki.php
+++ b/includes/Wiki.php
@@ -62,6 +62,7 @@ class MediaWiki {
                if ( $lag > $maxLag ) {
                        header( 'HTTP/1.1 503 Service Unavailable' );
                        header( 'Retry-After: ' . max( intval( $maxLag ), 5 ) );
+                       header( 'X-Database-Lag: ' . intval( $lag ) );
                        header( 'Content-Type: text/plain' );
                        echo "Waiting for $host: $lag seconds lagged\n";
                        return false;