> following files naively will fail after rotation, ...so what you're saying they have to write "tail -F" instead of "tail". > If you use grep you'll be doing

> following files naively will fail after rotation, ...so what you're saying they have to write "tail -F" instead of "tail". > If you use grep you'll be doing the same expensive operation every time if you have ingest that low it barely matters. Modern grep replacements are pretty fast