s/^( *locking_type) = 1.*$/$1 = 2/m or die;
s/^( *fallback_to_clustered_locking) = .*$/$1 = 0/m or die;
s/^( *fallback_to_local_locking) = .*$/$1 = 0/m or die;
s/^( *locking_type) = 1.*$/$1 = 2/m or die;
s/^( *fallback_to_clustered_locking) = .*$/$1 = 0/m or die;
s/^( *fallback_to_local_locking) = .*$/$1 = 0/m or die;