Even if it is "Apache logfile", it is still being treated as an uncountable noun. The measure here is 'lines', analogous to 'cups of water'. Adding a format or

Even if it is "Apache logfile", it is still being treated as an uncountable noun. The measure here is 'lines', analogous to 'cups of water'. Adding a format or brand so that it's 'cups of Perrier water' or 'cups of fortified water' doesn't change anything. Neither does stating the size, any more than '2 liters of water' does.