> Similarly, a 1% overhead for dedup ditto blocks sounds like a reasonable > default. But I could imagine someone willingly paying a 2% overhead by > dropping the value to 50, for example.
Quite possible. It's just a question of what we're willing to test/support. If we find that there's demand for a lower threshold, it will be trivial to accomodate -- it's just a #define with no on-disk format implications. Jeff