- db3: don't bother with DB_IMMUTABLE_KEY performance yet.
- db3: don't bother with DB_IMMUTABLE_KEY performance yet.

devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5